The adult has two large tusks that grow up and over the upper jaw, making it impossible for them to open their mouth more than a few inches. Current time at Palmer Station, Antarctica: Current temperature: Cold. The Strap-toothed Whale is the largest species in the genus Mesoplodon. Come and explore what our researchers, curators and education programs have to offer! The Strap-toothed Whale is the largest species in the genus Mesoplodon. All content is subject to copyright. Recently, molecular genetic techniques have been applied to the identification of beaked whales. Strap Toothed Whale signed original piece. Thank you for reading. The colour pattern is also very distinctive. The beak is exposed when they surface to breathe and the blow is inconspicuous. The strap-toothed beaked whales’ body is black in colouration with a large white patch on the top at the front, which goes around the neck and down under the chest. This probably influences the size of prey that can be consumed. The small, hooked dorsal fin is positioned about 75% of the distance between the beak and the tail. A world where every whale and dolphin is safe and free. Like other beaked whales and other deep divers, they are thought to feed primarily on squid. Strap-toothed Whales have been observed singly, in female and calf pairs, and in groups of up to three individuals. Plastic – stranded individuals have been found with plastic in their stomachs. Bryden, M., Marsh, H. & Shaughnessy, P. 1998. A. length: M. greyi—6 m/20 ft; M. hectori—4 m/13 ft; weight: M. greyi—5 tonnes; M. hectori—2 tonnes; distribution and habitat: Cold and temperate southern hemisphere waters, in singles or groups up to three; deep divers, submerging for up to two hours. Little is known about breeding in this and most other species of beaked whale. Strap-toothed beaked whales to inhabit cold temperate waters in the southern hemisphere and have been recorded around the coasts of New Zealand, Australia, Tasmania, South Africa, Namibia, the Falkland Islands, Chile, Argentina and Uruguay. The adult has two large tusks that grow up and over the upper jaw, making it impossible for them to open their mouth more than a few inches. They have a circumpolar distribution in the Southern Hemisphere, extending from about 25°S to subantarctic waters (about 55°S). Shepherd’s beaked whale (Tasmacetus shepherdi) is unusual in having numerous small functional teeth. Aboriginal and Torres Strait Islander Collection, Australian Museum Research Institute (AMRI), Natural Sciences research and collections, Australian Museum Lizard Island Research Station, 2019 Australian Museum Eureka Prizes finalists, 2020 Australian Museum Eureka Prizes finalists, Become a volunteer at the Australian Museum. Image credit: gadigal yilimung (shield) made by Uncle Charles Chicka Madden. Contact us to advertise on this site. Shepherd's Beaked Whales, are known only from less than thirty stranded animals and a few unconfirmed sightings of live animals. Join us, volunteer and be a part of our journey of discovery! These whales are also known to reach lengths of up to 20 f… You can unsubscribe at any time. In immature animals this colouration is more even; the contrast between light and dark areas may not be as marked. The strap-toothed whale is a marine mammal and belongs to the cetacean family, which is composed of all species of whale, dolphin and porpoise. — The beak and throat is white, and they have a black 'face-mask' that encloses the eyes, and a white 'cape' extending back from the blowhole. In comparison the second largest toothed whale is Baird’s beaked whale which can grow to lengths of just over 40 ft. Other names: Layard's beaked whale, strap-toothed whale By supporting WDC, you can help strap-toothed beaked whales to live safe and free. As these teeth grow, they curve over the upper jaw, crossing and pressing against it and may prevent them from opening their mouths more than a few centimeters. For Strap-toothed Whales, the colour pattern of juveniles may be indistinct. Beaked whales of the genus, Reeves, R. R., Stewart, B. S., Clapham, P. J. and Powell, J. Most of the length of the tooth is exposed. Behind this 'cape', they are dark blue-grey dorsally and on the flanks.