Short-finned pilot whale G. We greatly appreciate all feedback! In the field, it is very difficult to distinguish between the two species because they can be so easily confused. European Research on Cetacean This taxonomic unit is treated as one species even though there is genetic evidence to suggest that there may be two separate species of Dwarf Sperm Whales, one in the Atlantic and one in the Indo-Pacific Chivers et al. Our observations also suggest that the Mozambique Channel, and particularly the Comoros Archipelago, with its narrow continental shelf and deep coastal waters, could be one of the few locations in the world close to shore, like the Bahamas, the Gulf of California, and the Kona coast off the Island of Hawaii, suitable for the study of dwarf sperm whales, one of the least known pelagic cetaceans. One group of six dwarf sperm whales containing two mother-infant pairs did not dive for more than a few minutes at a time Baird,
Kogia sima dwarf sperm whale Facebook. The pygmy sperm has between 20 and 32 teeth, all of which are set into the rostral part of the lower jaw. Known cephalopod prey species include: Furthermore, entanglement and drowning in gills nets is also a serious problem contributing to premature mortality. Compositional topography of melon and spermaceti organ lipids in the pygmy sperm whale Kogia breviceps:
Dwarf Sperm Whale Photos - The Smallest of the Whales
The skin is wrinkled only when closely observed and has a brownish to dark bluish-gray coloration on the dorsal side. Economic Attributes Economic Comments: Cuvier's beaked whale Z. Pygmy sperm whales are normally either solitary, or found in pairs,  but have been seen in groups up to six.
Lipotidae Lipotes Baiji L. Another very distinctive dwarf sperm whale off Kona. Oil spills and catches in net are the major remaining threats. This chapter describes the characteristics, distribution, and behavior and conservation status of the Risso's dolphin, which is the fifth largest member of the family Delphinidae, with adults of both sexes reaching up to about 4 m in length. International Union for Conservation of Nature. Also, river otters generally swim belly down even at the surface, while sea otters usually move along the surface on their backs. Major prey items are benthic invertebrates such as abalones , sea urchins, and rock crabs.