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Sea cucumbers can be found in great numbers on the deep seafloor, where they often make up the majority of the animal biomass. [17] At depths deeper than 8,900 m (5.5 mi), sea cucumbers comprise 90% of the total mass of the macrofauna. [18] Sea cucumbers form large herds that move across the bathygraphic features of the ocean, hunting food.
Holothuria (Platyperona) difficilis is a species of sea cucumber in the family Holothuriidae. [1] Holothuria comes from Latin but is originally taken from Greek. Its meaning is a plantlike animal whose origin is uncertain.
Holothuria is the type genus of the marine animal family Holothuriidae, [1] part of the class Holothuroidea, commonly known as sea cucumbers. Members of the genus are found in coastal waters in tropical and temperate regions. They are soft-bodied, limbless invertebrates which dwell on the ocean floor and are usually detritivores.
Holothuria is derived from Latin and means water polyp. It is in the phylum Echinodermata (meaning spiny skin in Greek) which also includes sea stars and urchins. It belongs to the class Holothuroidea which contains the sea cucumbers. [4] It is classified under the sub-genus Halodeima and is synonymous with Halodeima grisea and Ludwigothuria ...
Holothuria atra, commonly known as the black sea cucumber or lollyfish, is a species of marine invertebrate in the family Holothuriidae. It was placed in the subgenus Halodeima by Pearson in 1914, making its full scientific name Holothuria (Halodeima) atra .
Holothuria edulis, commonly known as the edible sea cucumber or the pink and black sea cucumber, is a species of echinoderm in the family Holothuriidae. It was placed in the subgenus Halodeima by Pearson in 1914, making its full scientific name Holothuria (Halodeima) edulis. [2] It is found in shallow water in the tropical Indo-Pacific Ocean. [1]
Holothuria thomasi, the tiger's tail, is a species of sea cucumber in the family Holothuriidae. Although it is the largest sea cucumber known in the western Atlantic Ocean, it is so well camouflaged that it was 1980 before it was first described. [3] It is placed in the subgenus Thymiosycia making its full name Holothuria (Thymiosycia) thomasi. [2]
Oneirophanta mutabilis is a species of sea cucumbers in the family Deimatidae.It is the type species of the genus Oneirophanta.It is found on the seabed at abyssal depths. It was first described by the Swedish zoologist Hjalmar Théel in 1879, being one of the many deep sea animals discovered during the Challenger expedition of 1872–1876.