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Fin Whale Balaenoptera physalus Length 18-22m Second only in terms of size to Blue Whale. Uniquely, has asymmetrical markings on head. Fast swimmer, catching shoaling fish. Adult has slender body with narrow, pointed head. Body is mainly dark grey, palest on underparts and throat. Right side of lower jaw is whitish (as are front half of right side of baleen plates and tongue) whereas left side is same colour as rest of body. Single median ridge extends from nostril to tip of rostrum. Flippers are relatively long. Dorsal fin is curved, rather large, set a long way back. Tailstock is thick and tail fin is large.
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111741
Fin Whale Balaenoptera physalus Length 18-22m Second only in terms of size to Blue Whale. Uniquely, has asymmetrical markings on head. Fast swimmer, catching shoaling fish. Adult has slender body with narrow, pointed head. Body is mainly dark grey, palest on underparts and throat. Right side of lower jaw is whitish (as are front half of right side of baleen plates and tongue) whereas left side is same colour as rest of body. Single median ridge extends from nostril to tip of rostrum. Flippers are relatively long. Dorsal fin is curved, rather large, set a long way back. Tailstock is thick and tail fin is large.

Filename: 111741.jpg
Size: 3543x2327 / 5.8MB
Source:
Date: 30 Jun 2013
Location:
Credit: PAUL STERRY/NPL
Copyright:
Model Release: No
Property Release: No
Restrictions: Nature Photographers Ltd., West Wit, New Road, Little London, Tadley, Hampshire, RG26 5EU. Tel: +44(0)1256 850661 web: www.naturephotographers.co.uk
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