We took an underwater photography trip to the Philippines in December 2016.
Sea cucumbers are echinoderms with a leathery skin and an elongated body cavity containing a single branched gonad. They have an endoskeleton just below the skin. The mouth is surrounded by tentacles.
Graeff's sea cucumber, Bohaelschia graeffei
Burrowing sea cucumber, Neothyonidium magnum
Yellow sea cucumber, Colochirus robustus
Alabaster sea cucumber, Opheodesoma sp.
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Last modified 2 March 2017