Tuesday, July 24, 2012

Gymnodoris nudibranchs

Gymnodoris nudibranchs (commonly known as orange spotted nudibranch)
Scientific classification
Kingdom:Animalia
Phylum:Mollusca
Class:Gastropoda
Superfamily:Polyceroidea
Family:Gymnodorididae
Genus:Gymnodoris
Species:G. rubropapulosa
Binomial name
Gymnodoris rubropapulosa
(Bergh, 1905)
Where seen?
These nudibranchs with orange spots are sometimes seen on some of our shores. It has a wide Indo-West Pacific distribution and is known from Indonesia and Singapore and recently reported from Hong Kong and Tanzania.


Features:
1-4cm long. Body white with orange spots. Their comical patterns may warn other animals not to mess with them. Some Gymnodoris nudibranch secrete nasty acids and chemicals. Compared to other Gymnodoris, it has much larger orange spots which are more densely arranged, the body is longer and gills relatively small.

What do they eat?
They are said to be 'voracious predators' of other sea slugs like nudibranchs, sacoglossans and sea hares.



Credit: http://www.wildsingapore.com/wildfacts/mollusca/slugs/nudibranchia/gymnodoris.htm

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