cetacean

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Related to Cetaceans: whale, Sirenia, sperm whale, order Cetacea, Mammals

cetacean

or

whale

any aquatic EUTHERIAN mammal of the order Cetacea, comprising the porpoises, dolphins and whales.

Cetaceans are completely aquatic, have lost their hind limbs during evolution and have fin-like forelimbs, often a dorsal fin and, in marked comparison with fishes, a blowhole and transverse tail fin. The young are large at birth and suckled like other mammals. Cetaceans possess an extensive outer layer of fat associated with their marine habit, have a large brain and are capable of complex communication.

cetacean

includes the marine mammals of the order Odontoceti, the whales and their congeners, the dolphins, grampuses and porpoises.
References in periodicals archive ?
The more time that goes by, the more cetacean species one would expect, and the more variation in body size one would expect to see in them.
Now, Philip Gingerich of the University of Michigan in Ann Arbor and his colleagues add a new twig to the cetacean family tree--a 2.
Cetaceans not only use sound for navigation and feeding, but also to communicate, through methods such as groans, moans, whistles, clicks, or complex singing (Caldwell 1972).
Most consumers can't distinguish the red steaks of small cetacean meat from those of baleen whale meat.
During the surveys, approximately 1,000 cetaceans were sighted, although the authors failed to list species (Hardson, 1979) other than belugas (Harrison and Hall, 1978).
This was a controversial and heated meeting, dealing with a proposed amendment of Parks Control By-law section 9e in regard to keeping cetaceans in captivity, which was a result of public consultation hearings held in July of 2014.
Almost always in motion, cetaceans spend only 20% or less of their time at the water's surface.
The Oregon Coast has 12 different species of Cetaceans, whales, dolphins and porpoises that are either residents or migrate along the coast.
Retrospective serologic testing from eastern Australia has confirmed seropositivity to morbillivirus in several species; these temporal data suggest circulation of a morbillivirus among cetaceans in this region as long ago as 1985 (3).
Abstract--The link between ocean temperature and spatial and temporal distribution patterns of 8 species of small cetaceans off Southern California was examined during the period 1979-2009.
Such incidents are rare in the Arabian Gulf waters as such species of Cetaceans are considered vulnerable as they find it difficult to survive in warm surface waters", the official source told Al-Ayyam.
RSPCA inspector Nic de Celis said: "While we appreciate calls from the public spotting stranded cetaceans, when teams are working on the rescue attempt the most important thing for members of the public to do is to stand back and let us do our work.