Six genera have been identified. Dolphin, any of the toothed whales belonging to the mammal family Delphinidae (oceanic dolphins) as well as the families Platanistidae and Iniidae, the two that contain the river dolphins. In fact, 32 species of dolphins and 6 species of porpoises are toothed whales. In the past, whalers have sought out the Sperm whale for the valuable spermaceti oil, which makes an extremely fine lubricant. Toothed whales include orcas and other dolphins, sperm whales and pilot whales. There are only 14 baleen whale species and they are generally larger than the 76 species of toothed whales – except for the mighty sperm whale, the largest toothed whale. There are 150,000 individuals in the eastern tropical Pacific Ocean. The Sperm Whale is the largest toothed whale in existence, getting to be an average of 67 feet in length (20.5 meters). Cetacea is an infraorder that comprises the 89 species of whales, dolphins, and porpoises. Recent preliminary research indicates that baleen and toothed whales, such as narwhals and belugas, could be susceptible to the new coronavirus that causes COVID-19. First, it’s said that many sailors spotted orcas preying on other whales and larger marine species, garnering them the nickname “whale killer.” Over time, this namesake morphed into “killer whale.” They may be numerous, with some dolphins bearing over 100 teeth in their jaws. They may be numerous, with some dolphins bearing over 100 teeth in their jaws. Baleen whales are characterized by having baleen plates for filter feeding and two blowholes. These grow to be about 90 feet long (27.5 meters). The Bowhead Whale is one of the more thick-bodied whales.Their length ranges from about 46-59 feet (14-18 meters). "Phylogenetic relationships of artiodactyls and cetaceans as deduced from the comparison of cytochrome b and 12S RNA mitochondrial sequences", "Relationships of Cetacea -Artiodactyla- Among Mammals: Increased Taxon Sampling Alters Interpretations of Key Fossils and Character Evolution", "The IUCN Red List of Threatened Species", "The Ultimate Mouthful: Lunge Feeding in Rorqual Whales", "List of Marine Mammal Species and Subspecies", "What's the difference between dolphins and porpoises? Females travel and live in groups, while male sperm whales are solitary animals except for mating. This is a list of individual cetaceans from real life or fiction, arranged roughly taxonomically. The Linked Data Service provides access to commonly found standards and vocabularies promulgated by the Library of Congress. Sperm whales Physeter macrocephalus) are the largest toothed whale species. Sperm whales are such amazing animals. We have seen all 18 species of odontocetes and three species of mysticetes in our work. The Blue Whale is not only the largest whale species, but the largest mammal on Earth. Their throat is about the size of plate, which is why they feed on plankton and small fish. None is more than 4 m long. The Odontoceti suborder includes all the cetaceans with teeth and a single nostril in the blowhole. As opposed to baleen whales, the toothed whales It was the most commonly encountered species during preliminary beach surveys undertaken on, The most recent estimate for the North Pacific and Bering Sea is 1,186,000, The total number of sperm whales throughout the world is unknown. Their weight averages at around 75 tons but can reach to around 100 tons. With their white or sometimes pale brown coloration, fishermen tend to call them "the white ghost", as they also tend to stray away from any human interaction. The Dwarf Sperm Whale is the smallest whale. Toothed whales have lost their sense of smell, as well as their saliva glands. , The toothed whales (parvorder Odontoceti), as the name suggests, are characterized by having teeth (rather than baleen). • A baleen is a comb-like fringe on the upper jaw of the whale used to filter food. Here’s the list of all types of whales. Of the nearly 40 species of dolphins in the Delphinidae, 6 are commonly called whales, including the killer whale and the… Among the 72 toothed whale species in existence (and among all whale species), the dwarf sperm whale is the smallest with a length of nearly nine feet. The Platanistidae were originally thought to hold only one species (the South Asian river dolphin), but, based on differences in skull structure, vertebrae and lipid composition, it was split into two separate species in the early 1970s. It is the rarest beaked whale although it is believed that it is larger than the ginkgo-toothed beaked whale in size. Datasets available include LCSH, BIBFRAME, LC Name Authorities, LC Classification, MARC codes, PREMIS vocabularies, ISO language codes, and more. The smallest species is only about 1 meter long, and the largest is more than 20 meters. So here it is, a list of toothed whales: Sperm whale Pygmy sperm whale Dwarf sperm whale. Being solidly built, Right Whales are significantly heavier than other whales, weighing around 100 tons. Porpoises, divided into seven species, live in all oceans, mostly near the shore. There are only 14 baleen whale species and they are generally larger than the 76 species of toothed whales – except for the mighty sperm whale, the largest toothed whale. The sperm whale is the largest of the toothed whales and the largest toothed predator. , The baleen whales, also called whalebone whales or great whales, form the parvorder Mysticeti. There are about 65 different species of toothed whales. Speciation in the Platanistoidea, systematic, zoogeographical and ecological observations on recent species. Toothed whales. Datasets available include LCSH, BIBFRAME, LC Name Authorities, LC Classification, MARC codes, PREMIS vocabularies, ISO language codes, and more. The most obvious visible differences between the two groups are that porpoises have a less pronounced beak, and have spade-shaped teeth as opposed to conical.. The only toothed whale longer than 13 metres is the sperm whale (they can measure up to 18 metres). The Humpback Whale, one of the most popular for whale watchers due to their breaching habits, reach about 52 feet (16 meters) and can weigh about 30 tons! This sub-order, also defined as toothed whales and dolphins, include the beaked Unlike baleen whales, toothed whales have only the one blowhole and, of course, teeth. A question is often asked, “What is bigger than a whale?” Well, that answer depends solely on which whale species you are referring to! In most cases, the Encyclopedia of Marine Mammals was the final say when there were any discrepancies. D&D Beyond Dwarf Sperm Whale. They are characterized by having a lower jaw that extends at least to the tip of the upper jaw, a shallow or non-existent notch between the tail flukes, a dorsal fin set far backwards, three of four fused neck vertebrae, extensive skull asymmetry and two conspicuous throat grooves forming a 'V' pattern (which aid in sucking). The teeth differ considerably between the species. Odontoceti also include dolphins and porpoises. There are 65 species of toothed whale including all dolphins and porpoises and they are smaller than their baleen cousins. Males can weigh up to 56 tons. However a comparison of two surveys, one from the late 1970s and the other from 1999/2000 shows a decline in population and distribution, In China, they are endangered. Their brain is also the largest known in any animal, weighing up to 18 pounds (8 kilos). The Bryde’s Whale ranges in size depending on where they are located. There are estimated to be in excess of 200,000 in the Southern Ocean. Here’s the list of all types of whales. Toothed whales, as the name suggests, have teeth, which are used to hunt and eat squid, fish, and seals. 11-18 metres in length (females are smaller than males). An analysis of more than 27,000 sounds from deep-diving pilot whales suggests that these whales use tiny volumes of air to produce powerful clicks. , Rorquals are the largest group of baleen whales, with nine species in two genera. But did you know that dolphins and porpoises are also specialized whales? It is closely related to the slightly larger Pygmy Sperm Whale, which is also found in Antarctic waters.Both species are most often seen floating motionless at the surface; this behaviour is known as ‘logging’.These rare whales are seldom seen. Each species ranges in shapes and sizes, each impressive in their own way. They possess a unique feeding mechanism among cetaceans known as suction feeding. Among these marine mammals, there are two groups: baleen and toothed.  All rorquals have these unique folds.. They have a small geographic range and are mainly found in the waters along the east coast of South America. The pygmy right whale shares several characteristics with the right whales, with the exception of having a dorsal fin. Although they are close in length to the Blue Whale, this species only weighs about 72 tons due to their slim shape. Both average at about 6 tons in weight. Cetacea includes the animals commonly known as whales, dolphins, and porpoises.Fictional individuals are indicated by their source. , Family Kogiidae: dwarf and pygmy sperm whales, Superfamily Platanistoidea: river dolphins, Family Platanistidae: South Asian river dolphin, As of August 2018, the Arabian common dolphin is considered a subspecies of the common dolphin by the, The total population is unknown but numbers in the hundreds of thousands, The only population estimate is of 38,900 individuals in the eastern tropical Pacific Ocean, Total population is not known. Found in the offshore waters of the world, from tropical to subpolar waters. The spade-toothed whale was seen for the first time after a mother and her male calf died on a New Zealand beach. Pilot whales -- small, toothed whales with a bulging forehead, a short snout and pointed flippers -- are sociable creatures, and live in groups of dozens, hundreds or even thousands. They include species as small as the vaquita and as large as the sperm whale, and exhibit diverse characteristics, distribution, and feeding strategies. There are 18 species of odontocetes (toothed whales) that have been documented in Hawaiian waters, and seven species of mysticetes (baleen whales). On average, it grows to be about 59 feet long (18 meters). 1. The following is a list of currently-existing, or in the jargon of taxonomy, 'extant' species of the infraorder cetacea (for extinct cetacean species, see the list of extinct cetaceans). • Toothed whales feed mostly on fish, squid, other whales and marine mammals, and baleen whales mostly on plankton, small fish and crustaceans. ", National Oceanic and Atmospheric Administration, "Only 12 vaquita porpoises remain, watchdog group reports", "Baiji genomes reveal low genetic variability and new insights into secondary aquatic adaptations", "National Marine Mammal Laboratory - La Plata Dolphins", Society for Marine Mammalogy's Taxonomy Committee List of Marine Mammal Species and subspecies, https://en.wikipedia.org/w/index.php?title=List_of_cetaceans&oldid=991621718, Creative Commons Attribution-ShareAlike License, This page was last edited on 1 December 2020, at 00:38. These were all previously classified in the superfamily Platanistoidea, but the superfamily is now recognized as paraphyletic and invalid.. The order Cetacea comprises the sea mammals commonly known as whales, dolphins and porpoises, and is divided into two extant sub-orders: Odontoceti (toothed whales) and Mysticeti (baleen whales). Today, there about 80 species of living whales, or cetaceans. This family contains one genus with two species. A second major difference between the two species is the use of and reliance on echolocation. There are only 14 baleen whale species and they are generally larger than the 76 species of toothed whales – except for the mighty sperm whale, the largest toothed whale. A species to top the list of the endangered species of whale is Southern Resident Killer Whale. Unlike the other great whales on the endangered species list, the sperm whale is a toothed whale. The distinguishing features of these whales are the very large teeth, which are about 9 inches in length. , River dolphins are the five cetaceans which reside in freshwater rivers and estuaries. Sperm whales have large, square heads and 20-26 conical teeth on each side of its lower jaw. According to the IUCN Red List, the total population size of the Spade-toothed whales is unknown for today. The ancestors of present-day odontocetes  Smaller cetaceans are at risk of accidentally getting caught by fishing vessels using, namely, seine fishing, drift netting, or gill netting operations.. Of the two living groups, one of them, the toothed whales, or odontocetes, retains teeth. Once called devil fish due to their ferocious fighting behavior against hunters, these valiant creatures can reach about 49 feet in length (14.9 meters) and weigh around 40 tons. It is the only benthic feeding baleen whale, filtering small organisms from the mud of shallow seas. There are only 14 baleen whale species and they are generally larger than the 76 species of toothed whales – except for the mighty sperm whale, the largest toothed whale. Conservation status codes listed follow the IUCN Red List of Threatened Species (v. 2014.3; data current at 20 January 2015). A part of their tooth protrudes from the gums and has a … The largest of the toothed whales is the sperm whale, one of the few whale species that can live in a range of environments and is therefore found in oceans across the world. . One of the main features of their ovarian cycles is the length of the luteal phase (see Harrison, 1969). This includes data values and the controlled vocabularies that house them. This makes them second in line to the Blue Whale based off of sheer body mass. Sperm Whale. However, the largest females found have been about 50 feet in length while the male is around 47 feet. Below we will discuss ten whale species, both Baleen and toothed, starting from largest to smallest. Weighing at about 173 tons, the Blue Whale can grow to be about 98 feet (30 meters). The flippers are small, rounded and tend to curl up at the ends in adulthood. There are about 65 different species of toothed whales. Males are much larger than females and may grow to about 60 feet in length, while females grow to about 36 feet. Pilot whales -- small, toothed whales with a bulging forehead, a short snout and pointed flippers -- are sociable creatures, and live in groups of dozens, hundreds or even thousands. In Aristotle's time, the fourth century BC, whales were regarded as fish due to their superficial similarity. Odontoceti (toothed whales; cohort Mutica, order Cetacea) A suborder of marine mammals that comprises ancestral forms, known from the Upper Eocene, and the four superfamilies: Squalodontoidea (extinct forms), Platanistoidea (river dolphins), Physeteroidea (large whales), and Delphinoidea (smaller whales, dolphins, and porpoises).Teeth are always present, and may be numerous (e.g. These whales were made famous by Herman Melville's book Moby Dick. U.S. This group includes beaked whales, sperm whales, dolphins, and their kin; essentially any living whale with teeth as adults. It is the largest of the toothed whales—also called odontocetes—reaching a length of 60 feet in males and 40 feet in females. Their size averages at about 46 feet. Several species have only been described in the last two decades. They allow the mouth to expand immensely when feeding. Fish & Wildlife Service put this species as the only killer whale in endangered list. Except for the Sperm Whale, most toothed whales are smaller than the baleen whales. No global estimate of population exists, Total population unknown but thought to be locally common – it is the most common dolphin found around the Falkland Islands, Estimates of various stocks throughout the North Atlantic give an overall value into the high tens or low hundreds of thousands, Varying population estimates for areas around California and the North Pacific give a total of up to 400,000, Surveys suggest this is the most common dolphin off of Chilean waters, Local estimates include 70–80,000 in the Antarctic, 8,000 in the tropical Pacific (although tropical waters are not the orca's preferred environment, the sheer size of this area — 19 million square kilometres — means there are thousands of orcas), up to 2,000 off Japan, 1,500 off the cooler northeast Pacific and 1,500 off Norway, Estimates for eastern tropical Pacific are 45,000 and another recent survey estimates population to be 1,200 for the eastern Sulu Sea, no global estimate is known, The total population is unknown. By maturity, the Sei Whale can get to be 52 feet in length and weigh as much as 28 tons. Porpoises, dolphins, beaked whales, and sperm whales are characterized as toothed whales by the presence of teeth rather than baleen. The world's 82 types of whales are mainly divided into two groups deriving from their food and eating habits, and consequently, their anatomy. The sperm whale characteristically has a large, squarish head one-third the length of its body; the blowhole is slightly to the left hand side; the skin is usually wrinkled; and it has no teeth on the upper jaw. In tabular form, seven descriptors are given for each species: the common name; the scientific name; the IUCN Red List status; a global population estimate; a global map with its range; its weight with an image of its shape, and its size relative to a human; and a photograph. On average, females are 26 feet in length while males are around 23 feet. Toothed whales have lost their sense of smell, as well as their saliva glands. Cetaceans are descended from land-dwelling hoofed mammals, and the now extinct archaeocetes represent the several transitional phases from terrestrial to completely aquatic. In the art of this and subsequent periods, dolphins are portrayed wit… U.S. These whales inhabit in the North Pacific Ocean, from Washington and Canada to California. Population number. Once endangered species due to a whale hunting industry whales are among the largest sea animals, with the blue whale being the largest animal known to have ever existed. Spade-toothed Whale. Odontocetes: the toothed whales: Distribution, Behaviour, Migration and Threats The conservation status of the toothed whales has worsened dramatically since 2001. It has been said that this whale species may have decreased in overall size due to the large amount of whaling in the past. His detailed descriptions were assimilated by the Romans, but mixed with a more accurate knowledge of the dolphins, as mentioned by Pliny the Elderin his Natural history. Males average around 53 feet (16 m) but the largest can reach up to 66 feet (20 m). That is equivalent to the length of three school buses lined up! This toothed whale grows to around 2.7 m (9 ft.) in length. Another obvious difference between baleen and toothed whales is the number of blowholes on top of their head; baleen whales have two whereas toothed whales have one. 21. They have blunt, squarish heads with narrow, underslung jaws; the flippers are set far forward, close to the head and their dorsal fins are set far back down the body. Southern Resident Killer Whale. These whales are found worldwide. Crude estimates, obtained by surveying small areas and extrapolating the result to all the world's oceans, range from 200,000 to 2,000,000 individuals, Arnoux's beaked whales seem to be relatively abundant in Cook Strait during summer, Virtually nothing is known about the abundance of Baird's beaked whales, except they are not rare as was formerly thought, Nothing is known about the relative abundance of this species or its population composition, Because of the difficulty of identifying the species the total global population is unknown, Total population is unknown but likely to be of the order of 10,000, A 2002 survey estimates there are 766 animals around, As of August 2018, the Araguaian river dolphin is not recognized by the, Estimates give values of 1,100 Indus river dolphins and maybe as few as 20 Ganges river dolphins. La Plata dolphins are exclusively marine organisms, however, they are grouped with river-dolphins due to the fact that they reside in the La Plata River which is a salt-water estuary. Their weight ranges from 13-28 tons. 1.5K views; 2 minute read; Toothed Whales & Dolphins; Pilot whale fact sheet. The Fin Whale is next in line as the second largest whale species in the world. These whales are the world’s largest toothed whales, living up to 70 years. The largest of the toothed whales is the sperm whale, one of the few whale species that can live in a range of environments and is therefore found in oceans across the world. , The La Plata dolphin is the only species of the family Pontoporiidae and genus Pontoporia. Discover below the species of toothed whale you may encounter on … The word "whale" may bring to mind the image of a blue whale, the largest animal ever to have lived. They take their name from a Norwegian word meaning "furrow whale": all members of the family have a series of longitudinal folds of skin running from below the mouth back to the navel (except the sei whale, which has shorter grooves). The cetaceans comprise the toothed whales, dolphins, and porpoises (Odontoceti) and the baleen or whalebone whales (Mysticeti). It has been said that this whale species may have decreased in overall size due to the large amount of whaling in the past. Due to their enormous size, if you are left wondering what is the largest thing a whale can swallow, the answer is- a grapefruit! They are one of the deepest divers among marine mammals as well. Odontocetes: the toothed whales: Distribution, Behaviour, Migration and Threats The conservation status of the toothed whales has worsened dramatically since 2001. Aristotle, however, could already see many physiological and anatomical similarities with the terrestrial vertebrates, such as blood (circulation), lungs, uterus, and fin anatomy. The Sperm Whale is the largest toothed whale in existence, getting to be an average of 67 feet in length (20.5 meters). Living in temperate waters, the Spade-toothed whales may be threatened by climate change, causing ocean warming, which in turn leads to reduction and modification of their natural range. At their largest, females can be around 35 feet and males at 32 feet, both around 11 tons in weight.  The species was declared functionally extinct in 2006 after an expedition to estimate the population found none. The Delphinidae are characterized by having distinct beaks (unlike the Phocoenidae), two or more fused cervical vertebrae and 20 or more pairs of teeth in their upper jaws.