Ceratosoma sinuatum

(van Hasselt, 1824)

Also known as: Miamira sinuata, Ceratosoma sinuata

Ceratosoma sinuatum
Photographed by: Indra Swari

This species is characterised by its narrow (almost pointed) broadly rounded anterior mantle several low pustules on its mantle, the rhinophores and gills are always speckled with white. The mantle and foot are vivid emerald green (most often) but they can be pinkish brown in juveniles.

Editor's notes: The name is changed according to International Code of Zoological Nomenclature, read Bill Rudman's article in Sea Slug Forum

Kingdom:Animalia
Phylum:Mollusca
Class:Gastropoda
Subclass:Opisthobranchia
Order:Nudibranchia
Suborder:Doridina
Family:Chromodorididae
Species:Ceratosoma sinuatum

Comment from Richard Willan on photo #22890
This individual is most unusual in being a bluish colour overall – maybe this colour is due to the type of sponge it was eating.

Comment from Richard Willan on photo #8809
A juvenile individual

Comment from Richard Willan on photo #8810
A juvenile individual

Comment from Richard Willan on photo #2839
This identification is based on the spout-like anterior end of the mantle plus the speckled rhinophores and gills.

Locality:

 

Pictures of Ceratosoma sinuatum

Ceratosoma sinuatum from Timor-Leste
Location: Timor-Leste
Posted 6 years ago
Viewed 719 times
Ceratosoma sinuatum from Timor-Leste
Location: Timor-Leste
Posted 6 years ago
Viewed 737 times
Ceratosoma sinuatum from Ambon, Indonesia
Posted 6 years ago
Viewed 958 times
Ceratosoma sinuatum from Similan Islands, Thailand
Posted 6 years ago
Viewed 874 times
Ceratosoma sinuatum from Anilao, Philippines
Posted 6 years ago
Viewed 616 times
Ceratosoma sinuatum from Anilao, Philippines
Posted 6 years ago
Viewed 644 times
Ceratosoma sinuatum from Similan Islands, Thailand
Posted 6 years ago
Viewed 830 times
Ceratosoma sinuatum from Alor, Indonesia
Location: Alor, Indonesia
Posted 6 years ago
Viewed 532 times
Ceratosoma sinuatum from Bunaken, Indonesia
Posted 5 years ago
Viewed 657 times
Ceratosoma sinuatum from Flores, Indonesia
Posted 5 years ago
Viewed 613 times
Ceratosoma sinuatum from Alor, IndonesiaIdentification reviewed by Richard Willan
Location: Alor, Indonesia
Posted 5 years ago
Viewed 697 times
Ceratosoma sinuatum from Raja Ampat, Indonesia
Posted 5 years ago
Viewed 588 times
 
 

Similar Species

Author: Dr. Richard Willan

Ceratosoma magnificum: This species is characterised by its broadly rounded anterior mantle and the row of 3 tall pustules in ascending height along the mantle, the largest in front of the gills, the rhinophores and gills are not speckled. The mantle and foot are purple-brown (most often) or greenish brown.

Ceratosoma sinuatum: This species is characterised by its narrow (almost pointed) broadly rounded anterior mantle several low pustules on its mantle, the rhinophores and gills are always speckled with white. The mantle and foot are vivid emerald green (most often) but they can be pinkish brown in juveniles.

 
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