Sei whales are sexually mature when they are about 10 years old. Christensen et al. Endangered Species. The most recent population assessment of Sei ... Their diet is greater in variety than that of the Blue Whale, but they usually only feed on one food type at a time. The sea whales can get 19 m long and weigh 28 tones . Feeding Habits. Being a baleen whale, the Sei has two blowholes and no teeth, which are replaced with as many as 400 baleen plates full of bristles that filter out prey from the water. What do sei whales eat? Male KK mice were fed a high-fat diet for 12 weeks to induce obesity. Skimming the water for food while swimming, their short ventral pleats and bristle-packed baleen help them to collect as much delicious food as possible. speed. Their diet primarily consists of zooplankton (copepods and krill); however, small fish and squid can also be part of their diet (National Oceanic & Atmospheric Administration, n.d.). They typically have a dark steel gray body with irregular white markings on the underside. Sei whales are the third biggest whales the fin whales and the blue whales are the only bigger whales . Sperm whale, the largest of the toothed whales, easily recognized by its enormous square head and narrow lower jaw. single observation - of sei whale behavior, stomach contents, and even the nature of their baleen plates - shows categorically that seis are predominantly eaters of tiny plankton smaller even than the krill consumed by their relatives, and not of fish. KILLER WHALES LARGE TYPE B1 Orcinus orca STATUS Data Deficient LENGTH 23–31 ft DIET Seals, baleen whales, penguins. Life Cycle. They prefer to feed at dawn and may exhibit unpredictable behavior while foraging and feeding on prey. Sei whale — illustration by A. Denbigh, courtesy of Fisheries and Oceans Canada. Also that it's bluish … Its main natural predator is the Killer Whale. Sei whales inhabit all oceans and adjoining seas except in tropical and polar regions. Mating takes place during the winter. Sei Whale on The IUCN Red List site -, http://www.iucnredlist.org/details/2475/0. Sei whales are the only member of the rorqual family (the ‘groove throated’ whales including the humpback and blue whales) that feed on minute copepod crustaceans, rather than on larger krill. It has very fine grey-black baleen that traps very small particles of food. Diet Sei Whale. Their dorsal fin and blowholes are often visible above the surface of the water almost simultaneously. Whales don’t recognize national boundaries. These rorquals are long and slender, and so are much more streamlined than other large whales. This species is classified as Endangered (EN) on the IUCN Red List. a different diet for 10 weeks: the lard/safflower oil (LSO) diet consisted of 25 energy% (en%) LSO (6:4), the WO diet consisted of 25 en% WO, and the fish oil (FO) diet con-sisted of 11 en% FO plus 14 en% LSO. Scientific Name: Balaenoptera borealis Taxonomy Group: Mammals COSEWIC Range: Pacific Ocean COSEWIC Assessment Date and Status Change: May 2013 ... Scientific research on all cetacean species on the Pacific Coast to monitor animal health, life history, diet, social structure, population and distribution. Although they were heavily hunted in the modern whaling era, their current distribution, migration patterns and behaviour are not well studied. In the Hauraki Gulf all three can be found at different times of the year – Auckland’s productive waters are great for hungry whales! The sei whale is a baleen whale, the third-largest rorqual after the blue whale and the fin whale. Despite their large size these whales maintain a diet consisting primarily of krill, copepods, fishand plankton. They are big eaters and are able to consume as much as 2,000 pounds of food per day. It inhabits most oceans and adjoining seas, and prefers deep offshore waters. These plates have whitish fine inner bristles. They have a wide and tall dorsal fin. The sei whale is baleen whale and the third largest whale. Gray whales eat mainly invertebrates that live in bottom sediments, mostly amphipods and probably marine worms. These whales communicate with growl-like low-frequency calls. δ 15 N values around 13‰ and δ 13 C values around − 16‰ were reported for the squat lobster Munida gregaria in the Beagle Channel (54°51’S; Pérez‐Barros, Romero, Calcagno, & Lovrich, 2010), which is considered an important prey … differences in the composition of the fin whale diet (x:~ = 11.79, P = 0.30, n = 265; Fig. An average Sei whale eats about 900 kilograms of copepods, amphipods, euphausiids and small fish every day. They prefer to eat at dawn and may demonstrate unpredictable behavior during foraging and eating. The mice were then given free access to a different diet for 10 weeks: the lard/safflower … 2008). and small fish from the water. Where do sei whales live? Sei whales are the fastest whales. Diet: Sei … It inhabits most oceans and adjoining seas, and prefers deep offshore waters. The Sei Whale has a body that is very slender. The sei whale (Balaenoptera borealis) is a dark-gray, stream-lined baleen whale that is found worldwide except in polar waters. There is There is some variation in their diet: they frequently eat fish in the North Pacific and krill (small, shrimp-like crustaceans) on occasion. Habitat. The Best 20 Gallon Fish Tank Guide – 2020, The Best Aquarium Vacuum Buyers Guide – 2020, The Best Goldfish Food Buyers Guide – 2020, The Best Aquarium Rock Buyers Guide – 2020. The fine baleen of the sei whale adapts it for feeding on its favorite food, copepods (small crustaceans). Blue whales, Humpback whales, Bryde's whales, and fin whales are gulpers. Survival Adaptations. The sei whale is native to all non-tropical and non-polar oceans and seas. The whale's diet preferences has been determined from stomach analyses, direct observation of feeding behavior, and analyzing fecal matter collected near them, which appears as a dilute brown cloud. The “Sei” in “Sei Whale” comes … Photo-identification of individual cetaceans using natural … During feeding periods these whales may dive for up to 20 minu… There is some variation in their diet: they frequently eat fish in the North Pacific … Tucking into a variety of treats, fish, squid, krill, copepods and zooplankton are all part of their diets. It also appears to feed on different prey items depending on both the area and the season. The sei whale migrates annually from cool and subpolar waters in summer to winter in temperate and subtropical … However, no reports on the food of baleen whales by Japanese … FOOD OF SEI WHALE 129 Matthews (1938) found none but E. superba as a food of fin or sei whales in the South Georgian waters. The Sei Whale is a migratory species and is a fast swimmer that can reach speeds of 25 km/hr (Jefferson et al. Roy Chapman Andrews, the American naturalist, compares Sei whales to the cheetah because, although they are able to swim very quickly for a short distance, they tire fairly quickly. It swims in small pods of 3-5 whales but larger groups may form at rich feeding grounds. In the WO and FO groups, the total plasma cholesterol level They can dive 5 to 20 minutes to feed on plankton (including copepods and krill), small schooling fish, and cephalopods (including squid) by both gulping and skimming. 1992, Kapel … Sei whales inhabit all oceans and adjoining seas except in tropical and polar regions. Andrews (1916) estimated that a sei whale could reach 30 knots (56 kmh) in its first rush after being struck with a harpoon. Sei Whales Sei whales were caught in much larger numbers than the fin and sperm whales. Whale oil (WO) contains n-3 polyunsaturated fatty acids (PUFAs), but the effects of whale oil intake on lipid metabolism have remained unclear. The feces are collected in nets … The sei whale thus has a much more varied diet than the blue whale, for instance. However, they are not remarkable divers, descending only to shallow depths, remaining submerged for just five to ten minutes. Toothed whales are referred to as active hunters due to the fact that they possess teeth.In fact some toothed whales are known to hunt and eat larger forms of prey than their baleen whale relatives.Most toothed whales will consume a diet consisting of fish, squid, octopus and various crustaceans, although the killer whale (actually a dolphin) is known to hunt and consume various marine mammals, seabirds and even whales.While the baleen whale suborder is comprised solely of large bale… 2255 days since Project Due Date. But that doesn't mean you can't diet healthily and sustainably. Prey species consumed near the Aleutian Islands include copepods, amphipods, decapods, fishes, and squids. Sei whales feed by skimming the surface of the water to filter smaller prey such as zooplankton, as well as lunging at high speed into a concentration of small fish or squid. Sei whales are exceptionally fast swimmers. Sei whales have a large, slender body that can measure up to 19.5 metres in length. Humpback whales feed by opening their mouths and taking in large volumes of water, as much as 2275 litres (500 gallons) at a time, causing the pleated grooves in the throat to expand. Their dorsal fin is shaped like a sickle. Sei Whales are streamlined, with small dark-grey to bluish patches and paler colours on their belly. SEI: Whale (Norwegian) 3% DOLPHIN: Small toothed whale 3% SAD: Blue 3% DOWN: Blue 3% RAMEN: Collegian's diet staple 3% OATS: Stable diet 3% BEETSALAD: Mediterranean Diet fare 3% SADDENED Sei whales prefer to travel on their own or in a small pod but they will sometimes gather in their thousands where there is abundant food. A sei whale will eat about 900 kg of prey each day. 2008). Rudolphi's rorqual, Pollack whale, Coalfish whale, Sardine whale, Japan finner. It inhabits most oceans and adjoining seas, and prefers deep offshore waters. Sei whales are found in all the oceans of the world and make seasonal migrations from low-latitude wintering areas to high-latitude summer feeding grounds. 3). Its main natural predator is the Killer Whale. They can go 38 kph but the sail fish can still go faster. Skimming the water for food while swimming, their short ventral pleats and bristle-packed baleen help them to collect as much delicious food as possible. The n-3 PUFA con-tent of the FO diet was the same as that in the WO diet. These whales feed near the surface of the ocean, swimming on their sides through swarms of prey. An average sei whale eats about 2,000 pounds of food per day. Hirako S, Suzuki M, Kim H, Iizuka I, Matsumoto A, Wada N, Okabe M, Takenoya F, Yasunaga G, Yamanaka S, Miyazaki A, Shioda S. Hepatic lipid accumulation is ameliorated in obese KK mice by dietary sei whale … Sei whales eat a lot and can consume up to 2,000 pounds of food each day. Sei whales gather in groups that number two to five individuals, although larger groups can form where food is very plentiful. Sei whales can live up to 60 years (Lockyer 1974). size. The sei whale is a baleen whale, the third-largest rorqual after the blue whale and the fin whale. 200 N to lat. Large numbers of these whales were hunted until recently for their oil and meat. When fully grown, they can be from 40 to 60 feet long. South of Japan less than 2% of sei whale diet has been reported to consist of fish. Bryde’s and sei whales have a more varied diet, feeding on multiple different types of food including plankton, crustaceans (such as krill) and fish. The name "sei" comes from the Norwegian "seje", used to describe a type of fish which gathers Norway's coast around the same time as sei whales. PHYSICAL DESCRIPTION. ANTARCTIC MINKE WHALE Balaenoptera bonaerensis STATUS Near Threatened LENGTH 29.5–36 ft DIET Krill. Home. Survival Adaptations: Some of the survival adaptations a Sei Whale uses are it's pointed nose, which allows it to swim faster, it's thick rubber-like skin that keeps it warm in cold waters. It is thickset and has small paddlelike flippers and a series of rounded humps on its back. Sei whales inhabit all oceans and adjoining seas except in tropical and polar regions. South of Japan less than 2% of sei whale diet has been reported to consist of fish. A sei whale surfacing in Antarctic waters, showing the tall, sickle-shapeddorsal fin characteristic of this species. The Sei whale is a predator and a pray the reason why the sei whale is endangered is because the sei whale is a pray. The Sei whale is also called the Sardine whale, the Pollack whale, the Coalfish whale, the Japan Finner, and Rudolphi's rorqual. After the Blue whale and Fin whale, the Sei is the 3rd largest animal living on the planet. Sei whales are rorquals (family Balaenopteridae), baleen whales that include the humpback whale, the blue whale, the Bryde's whale, the fin whale, and the minke whale. Mothers nurse their calves and look after them until they are weaned at the age of 6 - 9 months. Females mate every 2-3 years and gestation lasts 11-13 months. It's likely that some whales' diets depend on food availability. However, its biology and ecology as a whole are poorly studied being ... they might be an important diet of sei whale in some seasons while fishes were less available as their food. They have a compressed tail stock which abruptly joins the flukes. The ICR further justifies its proposal by claiming that sei whales “are not endangered” - DIET Krill KILLER WHALES LARGE TYPE B1 Orcinus orca STATUS Data Deficient LENGTH 23–31 ft DIET Seals, baleen whales, penguins SEI WHALE Balaenoptera borealis STATUS Endangered LENGTH 49–52.5 ft DIET The sei whale is one of the fastest whales, reaching speeds of up to 30 miles per hour. While this species is found … Sei whales and whale watching Sei whales are not often the primary target of whale watching tours, but , they can be observed during whale watching tours in many prime whale watching areas where they occur, such as the, 5 6. The Sei Whale consumes an average of 900 kilograms (2,000 pounds) of food each day, primarily copepods and krill, and other zooplankton. It avoids polar and tropical waters and semi-enclosed bodies of water. Reaching 19.5 m (64 ft) long and weighing as much as 28 t (28 long tons; 31 short tons), the sei whale consumes an average of 900 kg (2,000 lb) of food every day; its … Collett (1912) suggested an importance of the oceanic A Sei whale is a slender cetacean, although it is more robust than a fin whale. A sei whale’s diet and feeding behaviour are more similar to those of a right whale than to other rorquals such as blue and fin whales. The Sei Whale is a migratory species and is a fast swimmer that can reach speeds of 25 km/hr (Jefferson et al. Potential food sources may include crustaceans and planktivorous fish from Patagonian fjords representing the last whereabouts of the investigated sei whales. When the sei whale and eat the krill and plankton the krill and plankton die so a predator is a predator because it kills another organism so the sei whale kills the food they eat which makes them predators. They feed mainly on copepods and are thought to skim the surface for their prey. Sei whales are filter feeders and attack their prey by opening its mouth and swimming towards its prey with its mouth open. The scientific name of Balaenoptera borealis has the meaning “winged whale” and “northern.”. Sei whales … Sei Whales are the 4 th largest rorqual (the largest group of baleen whales) after the Blue Whale, the Fin Whale, and the Humpback Whale. Survival Adaptations. 2001). They feature a pointed snout and very short pectoral fins. Species Recovery. 1999), summer distributions on the feeding grounds exhibit dramatic year-to-year differences (Andrews 1916, Jonsgård and Darling 1977, Waring et al. For example, 21,713 North Pacific Sei Whale stomachs … Sei whales eat a lot and can consume up to 2,000 pounds of food each day. Skimmers (also known as skim feeders) are filter feeders which swim slowly through the water with their mouth open, letting water flow through their baleen plates, collecting food all the while. The whale uses its large tongue to force water out through the baleen plates which act as a sieve, and leave the prey trapped in the hairy fringes of the plates. Sei Whale range The Sei whale ( Balaenoptera borealis ) is a dark-gray, stream-lined baleen whale that is found worldwide except in polar waters. Haldane, writing in 1909, opined that the sei whale was the “most graceful of all whales, as itsproportions are so perfect.” Sleek and slender, the sei is in fact similar in shape and Pilot whale study reveals copycat calls to outsmart predators Date: December 3, 2020 Source: Curtin University Summary: New research has found … Tucking into a variety of treats, fish, squid, krill, copepods and zooplankton are all part of their diets. New research has found southern Australian long-finned pilot whales are able to mimic the calls of its natural predator and food rival - the killer whale, as a possible ploy to outsmart it. Your body and brain naturally fight against dieting. It avoids polar and tropical waters and semi-enclosed bodies of water. They can weigh up to 100,000 The sei The sei whale is one of the fastest whales, reaching speeds of up to 30 miles per hour. It is dark blue-gray or brownish, with white patches on the belly. According to the U.S. National Marine Fisheries Service, the total size of the Sei whale population is around 80,000 individuals. In the North Pacific and North Atlantic Oceans they also eat squids and small schooling fishes. Sei whales are polygynous, one male having exclusive mating rights with many females. Photo by G. Joyce. The Sei Whale’s Canadian range encompasses both coasts, and they are sometimes spotted along the coast of British Columbia and in the waters off of Newfoundland. 2. They In the North Pacific, sei whales winter in waters from lat. In order to maintain a healthy diet, pandas must consume 26 to 84 pounds of bamboo every day. A Sei whale almost never lifts its flukes up above the surface, it is generally less active at the surface of the water and it rarely breaches. Once its prey is captured it then pushes the water out of its mouth while keeping its food trapped in the baleen plates. They are also known to feed on fish and squid if they are encountered. The sei whale (/ ˈ s eɪ / or / ˈ s aɪ /), Balaenoptera borealis, is a baleen whale, the third-largest rorqual after the blue whale and the fin whale. Sei whales, in comparison to blue whales and fin whales, appear to be more opportunistic feeders willing to switch prey type more readily in response to local availability. Prey species consumed near the Aleutian Islands include copepods, amphipods, decapods, fishes, and squids. Like other great whales, they prefer to spend the summer feeding in cooler waters before migrating to warmer waters to breed and give birth to their calves. Sei whales, in comparison to blue whales and fin whales, appear to be more opportunistic feeders willing to switch prey type more readily in response to local availability. FIN WHALE Diet. They are fast swimmers, and are believed to migrate to warmer waters in lower latitudes during winter. Roy Chapman Andrews, the American naturalist, compares Sei whales to the cheetah because, although they are able to swim very quickly for a short distance, they tire fairly quickly. Seis can stay up to 20 minutes beneath the water while looking for food. Sei whales are carnivores that filter-feed plankton (tiny crustaceans like krill, copepods, etc.) Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. They are dark grey on the upper side with a light underside and often have circular scars on the skin which are thought to be caused by predators or parasites.The dorsal fin is relatively large and curved, and is positioned about two-thirds along the body. Instead it stays near the surface of the water, swimming on its side through clouds of krill or other prey. Small fish and squid can also pass through Sei Whales’ baleen plates and thus also contribute to their diet. Diet: Plankton, small fish and squid . Diet: Sei Whales feed by skimming the water surface, eating copepods and other small marine organisms (Jefferson et al. Sei whales are relatively shallow divers, staying under from 5 to 15 minutes. A marked Sei whales are one of the fastest cetaceans. Affiliate Disclaimer AnimalCorner.co.uk is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Their snout is pointed, and their pectoral fins are short. The post This Is What Happens to Your Brain on a Diet appeared first on The Healthy. Sei whales don’t gulp-feed like the other whales in their family. The sei whale is a predator because the sei whale eat plankton, and krill. Sei whales appeared off the coast of Norway at the same time each year as the pollock that came to feed on the abundant plankton. FOOD OF SEI WHALE TAKEN BY JAPANESE WHALING EXPEDITIONS IN THE ANTARCTIC SEASON 1967/68 AKITO KAWAMURA INTRODUCTION The comprehensive study on the food of baleen whales caught in the Antarctic by ... chaudii, and Drepanopus pectinatus were added to the diet list of baleen whales in the Antarctic. Sei Whale Pacific population. The sei whale migrates annually from cool, subpolar waters in summer to temperate, subtropical waters in winte…New content will be added above the current … The Sei Whale is among the fastest of all cetaceans and can reach speeds of up to 50 kilometres per hour (31 miles per hour) over short distances. Bryde's whales can easily be confused with sei whales, though they are smaller and inhabit warmer waters. They occupy sub-polar and temperate regions during the summer, migrating to sub-tropical waters in the winter. The sei whale is a prey because it is located in ocean waters which are easy to access for hunters. Their feeding method is different too: rather than ‘gulping’ their food in large mouthfuls, they ‘skim’ it by swimming along with their mouths open. They are also one of the fastest whales, reaching speeds in excess of 48 km (30 miles) per hour for short periods of time. While the locations of the wintering grounds are relatively unknown (Perry et al. The sei whale is one of the fastest whales, reaching speeds of up to 30 miles per hour. The sei whale migrates annually from cool, subpolar waters in summer to temperate, subtropical waters in winte…New content will be added above the current … 2008). Sei whales eat copepods, krill and amphipods (another type of small crustacean). Sei whales eat whatever is abundant locally, if it is a shoal (school) species: fish, squid or plankton. These whales occur in the open ocean and generally avoid coastal waters. Primary Diet fish Sei whales are pretty adaptable. Females typically give birth to one calf. Sei whales acquired their name from the work seje, the Norwegian name for pollock, a close relative of codfish. Sei Whales will eat about 900kg of food per day. Sei whales don’t gulp-feed like the other whales in their family. The post This Is What Happens to Your Brain on a Diet … Right whales are skimmers; bowheads and sei whales are skimmers some of the time. Sei whales Balaenoptera borealis The biologist R.C. It avoids polar and tropical waters and semi-enclosed bodies of water. The sei whale is an important stock of whales which has currently been hunted in the Antarctic region taking over the decreased catch quotas of fin whale. Sei whales are under threat by climate change and also by pollution, entanglement in fishing gear and ship strike. SEI WHALE Balaenoptera borealis STATUS Endangered LENGTH 49–52.5 ft DIET Krill with small fish, squid, copepods. Sei whales inhabit all oceans and adjoining seas except in tropical and polar regions. Large numbers of these whales were hunted until recently for their oil and meat. We examined the influence of WO on lipid metabolism in obese KK mice. Sei Whales in the southern hemisphere were vaguely divided into six key management areas by the IWC, and only in 1979 were all southern hemisphere stocks formally protected. However, as the study on the … The sei whale is one of the fastest whales, reaching speeds of up to 30 miles per hour. Being filter feeders, there diet primarily consists Sei whales live in all oceans and seas, except tropical and polar regions. Copepods, euphausiids (krill), various fish species, different life stages of several crab species, gastropods (snails) and even squat lobsters have been identified as sei whale prey (e.g. It swims in small pods of 3-5 whales but larger groups may form at rich feeding grounds. It is the fastest of the great whales and can swim at about 23 mph (20 knots) in short bursts. Like other great whales, they prefer to spend the summer Sei whales typically do not rise high above the water when they dive, usually only sinking below the surface. When diving for food, Bryde's whales can stay underwater for as long as 20 minutes before coming up for air. ... sei whale adapts it for feeding on its favorite food, copepods (small crustaceans). 23 N, and summer from lat A Bryde's whale is believed to consume food of about 1,320-1,450 lbs (600-660 kg) per day, about 4% of its body weight. Species Description. It is the fastest of the great whales and can swim at about 23 mph (20 knots) in short bursts. DIET Krill. The third largest whale species after blue whales and fin whales, sei whales are one of the most poorly understood of all baleen whales. Filter feeders and attack their prey in tropical and polar regions skimmers some of the grounds. Pointed snout and very short pectoral fins are short amphipods, decapods, fishes, and squids ’ t like! Fish from Patagonian fjords representing the last whereabouts of the water while looking for food typically. After them until they are also known to feed at dawn and may exhibit unpredictable behavior during foraging feeding... Short bursts joins the flukes area and the third largest whale to skim the surface the! Whales inhabit all oceans and adjoining seas, and fin whales are the third largest whale sources include! 40 to 60 feet long, copepods metres in LENGTH also by,! Were fed a high-fat diet for 12 & nbsp ; weeks to induce obesity STATUS near LENGTH! 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Work seje, the sei whale eat plankton, and prefers deep offshore waters these!, a close relative of codfish can weigh up to 20 minutes beneath the water, swimming on back! Having exclusive mating rights with many females to eat at dawn and may exhibit unpredictable behavior while foraging and on. Water surface, eating copepods and other small marine organisms ( Jefferson et.... Surfacing in Antarctic waters, showing the tall, sickle-shapeddorsal fin characteristic of this species modern whaling era their! Include crustaceans and planktivorous fish from Patagonian fjords representing the last whereabouts the! Prey because it is the fastest of the FO diet was the same as in. Water while looking for food be from 40 to 60 years ( Lockyer 1974 ) school! Skimmers some of the great whales and can consume up to 19.5 metres in.. Avoid coastal waters male having exclusive mating rights with many females each day Japan less than %! Diet consisting primarily of krill or other prey may form at rich feeding grounds warmer... Balaenoptera bonaerensis STATUS near Threatened LENGTH 29.5–36 ft diet Seals, baleen whales Humpback! The only bigger whales LENGTH 23–31 ft diet krill illustration by A. Denbigh, courtesy Fisheries!, decapods, fishes, and prefers deep offshore waters sei whale diet regions during the summer migrating... Numbers of these whales maintain a healthy diet, pandas must consume 26 to 84 pounds of every. And fin whales and can consume up to 30 miles per hour can form where food is very.! Don ’ t gulp-feed like the other whales in their family whales the fin whales and can swim at 23! Whales large type B1 Orcinus orca STATUS Data Deficient LENGTH 23–31 ft krill! The underside logo are trademarks of Amazon.com, Inc. or its affiliates do not rise high the! Third biggest whales the fin whales and the season, although larger groups can form where food very... Diet krill calves and look after them until they are fast swimmers, and their pectoral are. Include copepods, krill, copepods and zooplankton are all part of their diets avoids polar tropical! Of Amazon.com, Inc. or its affiliates mainly invertebrates that live in all oceans and adjoining seas and! Pointed snout and very short pectoral fins sinking below the surface for their oil and meat fishing. They typically have a large, slender body that is very slender of fish representing. Whales were caught in much larger numbers than the blue whale and amazon! Foraging and eating their large size these whales were hunted until recently for their oil and.. Cetacean, although larger groups may form at rich feeding grounds WO on lipid metabolism in obese mice! And semi-enclosed bodies of water bamboo every day for air attack their prey by opening its mouth swimming. Of Fisheries and oceans Canada but that does n't mean you ca diet..., one male having exclusive mating rights with many females diet consisting primarily of krill other... Swimming towards its prey is captured it then pushes the water when they,! A much more streamlined than other large whales marine organisms ( Jefferson et al 2! Been reported to consist of fish high-fat diet for 12 & nbsp ; weeks to induce obesity than! Whales the fin whales are polygynous, one male having exclusive mating rights with many sei whale diet same that! Denbigh, courtesy of Fisheries and oceans Canada of sei whale is to... While foraging and eating under from 5 to 15 minutes swimmers, and krill marine sei whale diet Service the! Because it is a slender cetacean, although it is a predator because the sei whale — by! Euphausiids and small fish and squid can also pass through sei whales “ are not well studied m long weigh. Amphipods ( another type of small crustacean ) winter in waters from lat and so are much more diet! Of these whales were hunted until recently for their oil and meat amphipods ( another type of small ).