The species is listed in Appendix II of CITES. The map shows where the species may occur based on oceanography. A young male Pygmy Sperm Whale stranded alive on Galveston Island, Texas, USA and died in a holding tank 11 days later. Studies of feeding habits, based on stomach contents of stranded animals, suggest that this species feeds in deep water, primarily on cephalopods and, less often, on deep-sea fishes and shrimps dos Santos and Haimovici , McAlpine et al. They are infrequently seen in the wild as they avoid marine traffic. Dive duration is unknown Kinze, These waters of the upper continental slope were also characterized by high zooplankton biomass Baumgartner et al.
Facts on Dwarf and Pygmy sperm whales (Kogia sp). - Ocean Blue Adventures
Whether or not their teeth are necessary for hunting prey is uncertain as their larger sperm whale relative is known to successfully capture prey without teeth and even with a deformed jaw. In more recent years heavily commercialized areas have also caused some whales and dolphins to relocate or deal with food shortages as over fishing is becoming an increasing issues in certain areas. This species has a small, compact body that tapers near the tail and has a small, low, rounded, "dorsal" fin. Retrieved 30 September
Adult males and females appear to be close in size. Whether or not their teeth are necessary for hunting prey is uncertain as their larger sperm whale relative is known to successfully capture prey without teeth and even with a deformed jaw. On the throat below the jaw may be several short longitudinal grooves or creases. As with other toothed whales communication involves making high-pitched sounds that may be used to help them locate other whales, state their interests and assist with echolocation. These whales are counter-shaded, dark steel-gray or dark brown-gray on the dorsal surface and light gray or cream to pink on the ventral side.
Just like the giant sperm whale, there is a spermaceti organ in the forehead of the pygmy sperm whale and there is a dark red colored fluid in the sac in its intestines which gets released whenever it is frightened. Summary Description Kogia breviceps is a toothed whale and can be recognised as such by the single blowhole and the presence of teeth. Join Us Support Our Efforts. These whales are found in warm waters worldwide. Pygmy killer whale F. Identifying features Up to 4 m in length. Pygmy sperm whales have from 50 to 55 vertebrae , and from 12 to 14 ribs on either side, although the latter are not necessarily symmetrical, and the hindmost ribs do not connect with the vertebral column.