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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.
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. The robust sea cucumber is an important dietary staple for ...
Water vascular system. The water vascular system is a hydraulic system used by echinoderms, such as sea stars and sea urchins, for locomotion, food and waste transportation, and respiration. [1] The system is composed of canals connecting numerous tube feet. Echinoderms move by alternately contracting muscles that force water into the tube feet ...
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 ...
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.
The brown sea cucumber has an elongated body and can be described as having a soft or gelatinous texture. [4] Their general body shape is curved, similar to a half circle, and they have a dark brown coloration and are spotted with orange papillae. [4] They have ambulacral extensions on their underside which are used to help with locomotion. [4]
Cucumaria miniata is a species of sea cucumber. [1] It is commonly known as the orange sea cucumber [2] or red sea cucumber [3] due to its striking color. This northeast Pacific species is often found wedged in between rocks or crevices at the coast or on docks and can generally be identified by its orange bushy tentacles protruding above the substrate.
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 ...