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Holothuria forskali, the black sea cucumber or cotton-spinner is a species of sea cucumber in the family Holothuriidae. It is found at shallow depths in the eastern Atlantic Ocean and the Mediterranean Sea. It was placed in the subgenus Panningothuria by Rowe in 1969 and is the type taxon of the subgenus. [3]
The robust sea cucumber has a soft body and lacks a spine, but it does have an endoskeleton consisting of microscopic spicules, or ossicles, made of calcium carbonate. [2] C. robustus has a respiratory tree that allows it to extract oxygen for respiration, using the anus to pump water.
E. godeffroyi is a long, slender sea cucumber growing to a length of about 40 cm (16 in). A ring of fifteen feathery tentacles encircle the mouth. The body colour is creamy white with blotches of grey and a pair of longitudinal brown or greenish stripes.
Holothuria floridana, the Florida sea cucumber, is a species of marine invertebrate in the family Holothuriidae. It is found on the seabed just below the low tide mark in Florida , the Gulf of Mexico , the Bahamas and the Caribbean .
Sclerodactyla briareus is an elongated oval or cigar-shaped sea cucumber and grows to about 15 centimetres (5.9 in). It often adopts a characteristic pose with both ends raised above the substrate. At the anterior end there is a mouth surrounded by a ring of ten, short, branched feeding tentacles. [2]
The Japanese sea cucumber has a cylindrical leathery body with blunt, thorny protuberances. At the anterior or front end there is a mouth surrounded by a ring of short feeding tentacles and at the posterior end is the anus. There are three different colour morphs, red, green and black. [3]
Elpidiidae is a family of deep-sea sea cucumbers. They have a translucent body with long and stout podia acting like legs. The mouth is surrounded by thick and short oral tentacles, and the dorsal part often shows pairs of elongated podia as well, pointing upwards. Some species can also show swimming appendages on top of the mouth.
Holothuria fuscocinerea, the ashy pink sea cucumber, [3] is a species of sea cucumber in the family Holothuriidae. It is placed in the subgenus Stauropora, making its full name Holothuria (Stauropora) fuscocinerea. [2] It is native to shallow water in the tropical and sub-tropical Indo-Pacific.