Singapore wild marine mammal survey(marine mammal identification chart)
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Identification Chart (English) on how to tell apart the wild marine mammals in Singapore. By the Singapore Wild Marine Mammal Survey (SWIMMS) http://www.tmsi.nus.edu.sg/mmrl with permission from SWIMMS.
Transcript of Singapore wild marine mammal survey(marine mammal identification chart)
How to identify marine mammals in Singapore?
Marine Mammal Research Laboratory Tropical Marine Science InstituteNational University of Singapore, 14 Kent Ridge Road,Singapore 119223. Tel: (65) 6516 5587 Fax: (65) 6776 1455Email: [email protected]: www.tmsi.nus.edu.sg/mmrlSWiMMS Hotline/ SMS: 8100 8022
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Skin Colour?
Pink Grey
Dorsal fin?
Nostrils/FlatSnout?
Generally slow swimmer
Blowhole?Quick movingBeak (jaw)?
Prominentdorsal fin?
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Yes
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Finless porpoiseNeophocaena phocaenoides
Light grey to cream at birth and darken to charcoal gray as adults. Rounded head.No distinctive beak (jaw) or dorsal fin.
Maximum body length is approx. 1.7 m (5.6 ft).1
Bottlenose dolphinTursiops truncatus aduncus / Tursiops aduncus
Dark grey on upper surface (dorsal) with pale sometimes pink lower surface (ventral). Prominent beak (jaw) and large dorsal fin.
Maximum body length is approx. 2.7 m (8.9 ft).1
Irrawaddy dolphinOrcaella brevirostris
Varying uniform grey colour with pale underside. Smoothly rounded head without prominent beak (jaw). Small rounded dorsal fin. Maximum body length is approx. 2.8 m (9.2 ft).1
DugongDugong dugon
Grey-brown colour with pale underside. Small eyes. Bulbous chin with two nostrilson top of snout. Broad, flattened rostral disk at the end of the large muzzle
distinctly turned downward. No dorsal fin. Maximum body length is approx. 3.3 m (10.8 ft).1
Indo-Pacific humpback dolphinSousa chinensis
Colour varies with age from dark grey when young to pink when adult. Young adults appear speckled grey and pink. Long beak (jaw) and hump on back in front of dorsal fin.
Maximum body length is approx. 2.8 m (9.2 ft).1
1 & Ilustrations Jefferson, T.A., Webber, M.A. & Pitman, R.L.(2008). Marine Mammals of the World: A Comprehensive Guide to their Identification. (1st Ed). Academic Press.
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