Distribution Sperm whale

global concentrations of sperm whales

sperm whales among cosmopolitan species. prefer ice-free waters on 1,000 metres (3,300 ft) deep. although both sexes range through temperate , tropical oceans , seas, adult males populate higher latitudes. among several regions such along coastal waters of southern australia, sperm whales have been considered locally extinct.

they relatively abundant poles equator , found in oceans. inhabit mediterranean sea, not black sea, while presence in red sea uncertain. shallow entrances both black sea , red sea may account absence. black sea s lower layers anoxic , contain high concentrations of sulphur compounds such hydrogen sulphide. first ever sighting in pakistan made in 2017. first ever record on west coast of korean peninsula (yellow sea) made in 2005. followed 1 on ganghwa island in 2009.

populations denser close continental shelves , canyons. sperm whales found in deep, off-shore waters, may seen closer shore, in areas continental shelf small , drops depths of 310 920 metres (1,020 3,020 ft). coastal areas significant sperm whale populations include azores , dominica. in asian waters, whales observed regularly in coastal waters in places such commander , kuril islands, shiretoko peninsula 1 of few locations whales can observed shores, off kinkasan, vicinity tokyo bay , boso peninsula izu , izu islands, volcano islands, yakushima , tokara islands ryukyu islands, taiwan, northern mariana islands, , forth. historical catch records suggest there have been smaller aggression grounds in sea of japan well. along korean peninsula, first confirmed observation within sea of japan, 8 animals off guryongpo, made in 2004 since after last catches of 5 whales off ulsan in 1911. while 9 whales observed in east china sea side of peninsula in 1999.

grown males known enter surprisingly shallow bays rest (whales in state of rest during these occasions). there unique, coastal groups reported various areas among globe such scotland, shiretoko peninsula, off kaikoura, in davao gulf. such coastal groups more abundant in pre-whaling days.