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Evisceration is a method of autotomy involving the ejection of internal organs used by animals as a defensive strategy. Sea cucumbers (Holothuroidea) eject parts of the gut in order to scare and defend against potential predators such as crabs and fish. The organs are regenerated in a few days by cells in the interior of the sea cucumber. [1][2]
Colochirus robustus, commonly known as the robust sea cucumber or the yellow sea cucumber, is a species of sea cucumber in the family Cucumariidae. It is found in shallow seas in tropical parts of the central Indo-Pacific region. C. robustus belongs to the class Holothuroidea, a group of echinoderms called sea cucumbers and known for unusual ...
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.
Description. Bohadschia argus has the same roughly cylindrical body plan shared by most sea cucumbers. On average, it measures approximately 36 cm (14 in) in length and 1.8 to 2.2 kg (4.0 to 4.9 lb) in weight, with a maximum recorded length of 60 cm (24 in). Its tough outer body wall, around 10 mm (0.39 in) in thickness, is firm and leathery to ...
The Holothuriidae family, which the Actinopyga varians is a part of, is are known to have thick fleshy bodies and rows of tube feet. Papillae, which are blunt projections, cover the body. Their spicules are shaped like tubes and although most species in the Holothuriidae family are able to eject cuvierian tubules in self-defense, the genera ...
Cucumaria quinquesemita Selenka, 1867. Eupentacta chronhjelmi (Théel, 1886) Eupentacta quinquesemita is a species of sea cucumber, a marine invertebrate with an elongated body, a leathery skin and tentacles surrounding the mouth. It is commonly known as the stiff-footed sea cucumber or white sea cucumber, [2] and occurs on rocky coasts in the ...
Binomial name. Holothuria cinerascens. Brandt, 1835. Holothuria (Semperothuria) cinerascens is a species of sea cucumber in the family Holothuriidae. [1][2] The sea cucumber is widely distributed in the Pacific and Indian ocean, being found from the Red Sea to Madagascar and from Japan to Australia. It was first described by Brandt in 1835.
The sea cucumber will be fully regenerated within 144 hours of transection. If a transection of a sea cucumber is made posteriorly to the crossover point, then the esophagus, the stomach, and the intestine will all be represented in the final form of the sea cucumber. Similar processes as regeneration of an anterior transection will occur, and ...