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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]
Thelenota ananas, a giant sea cucumber from the Indo-Pacific tropics. Sea cucumbers are echinoderms from the class Holothuroidea (/ ˌhɒləˌθjʊəˈrɔɪdiə, ˌhoʊ -/ HOL-ə-thure-OY-dee-ə, HOHL-). They are marine animals with a leathery skin and an elongated body containing a single, branched gonad. They are found on the sea floor worldwide.
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 touch.
The California sea cucumber can grow to a length of 50 cm (1 ft 8 in) and a width of 5 cm (2 in). It has a soft, cylindrical body, with red-brown to yellowish leathery skin. It has an endoskeleton just below the skin. The mouth and anus are on opposite ends of the body. The mouth is surrounded by twenty retractable tentacles that are used to ...
Psolus californicus Fisher, 1905. Psolus chitinoides Clark, 1901 [lapsus] Psolus chitonoides, also known as the slipper sea cucumber, armoured sea cucumber, creeping armoured sea cucumber, or creeping pedal sea cucumber, [ 2] is a species of sea cucumber in the family Psolidae. It is found in shallow water on the western coast of North America.
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.
Chiridotidae. Chiridotidae is a family of sea cucumbers found in the order Apodida. Within the family, there are 16 recognized genera all with different ranges of body types and functions. [1] Sea cucumbers play a fundamental role in many marine ecosystems.
Sea cucumbers as food. Sea cucumbers are marine animals of the class Holothuroidea. They can be used as food, in fresh or dried form, in various cuisines. In some cultural contexts the sea cucumber is thought to have medicinal value. The creature and the food product are commonly known as bêche-de-mer in French, from Portuguese bicho do mar ...