porpoise

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porpoise

the smallest cetacean, 6 ft long weighing 100 lb, black on top, white belly, piscivorous and an excellent swimmer. The common porpoise is Phocaena phocaena. There are other species, e.g. P. sinus (Pacific harbor porpoise).
References in periodicals archive ?
The harbour porpoise (Phocoena phocoena) is a small whale closely related to the family of oceanic dolphins.
Abundance of harbour porpoise and other cetaceans in the North Sea and adjacent waters.
Bottlenose dolphins were seen off New Quay pier in West Wales last Friday - followed later by other bottlenose dolphin sightings and harbour porpoise sightings in New Quay and off Porthgain Beacon.
Denise Parker, of the Porthcawl Environment Trust, said: "This is one of the most important areas in the UK for the harbour porpoises.
Pulmonar pathology of harbour porpoises (Phocaena phocaena) stranded in England and Wales between 1990 and 1996.
The harbour porpoise (Phocoena phocoena) is a small cetacean widely distributed on both sides of the North Atlantic.
Experts believes the sightings are those of harbour porpoises which have a body length of one-and-a-half metres.
Among the most threatened according to a report by the WWF are harbour porpoises in the Black Sea, where thousands are killed each year; Atlantic humpback dolphins off the coast of West Africa; Irrawaddy dolphins in South-East Asia; and Franciscana dolphins in South America.