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Zenopontonia rex, the emperor shrimp or imperial shrimp, is a species of shrimp in the family Palaemonidae. It is found in shallow water in the tropical Indo-Pacific region. It lives in association with a sea cucumber, a nudibranch or other large mollusc, often changing its colour to match that of its host.
Carapus mourlani, which have a mutualistic relationship with Bohadschia argus, will aggressively defend their sea cucumber from the parasitic Encheliophis boraborensis, and in some cases may even fight them to the death. [7] The emperor shrimp (Zenopontonia rex) is often associated with Bohadschia argus, and may help keep it clear of ...
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 ...
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.
Stichopus herrmanni, or Herrmann's sea cucumber, [3] is a species of holothuroidean echinoderm in the family Stichopodidae. It is found in the tropical, western Indo-Pacific Ocean, at depths down to 20 m (66 ft). [2] This and several other species are known as curryfish and are harvested commercially; it is called gama in Indonesia. [4]
Actinopyga caerulea is a large sea cucumber, growing to a length of up to 400 mm (16 in) and a width of up to 140 mm (6 in) across the midsection. [20] The body of this sea cucumber is white, with numerous dark blue tube feet and papillae discontinuously covering its surface. [21]
The brown-ringed sea cucumber can reach about 8 inches in length and about 2 inches in width, the study said. It has an “elongated,” tube-shaped body with 20 tentacles and over 70 tube feet.
The sea cucumber ranges in size from 11 to 25 centimeters (4.3 to 9.8 in). [7] Its most distinct feature is its coloring, which is dictated by size: small enypniastes are a bright pink, and larger individuals are a more reddish-brown color. It is also semi-transparent, and its intestine can be seen through its body, especially after feeding. [8]