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Holothuria (Holothuria) stellati Brown sea cucumber

Holothuria (Holothuria) stellatiis commonly referred to as Brown sea cucumber. Difficulty in the aquarium: Not suitable for home aquaria!. Toxicity: Toxic hazard unknown.


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lexID:
6004 
AphiaID:
732395 
Scientific:
Holothuria (Holothuria) stellati 
German:
Braune Seewalze 
English:
Brown Sea Cucumber 
Category:
Sea Cucumbers 
Family tree:
Animalia (Kingdom) > Echinodermata (Phylum) > Holothuroidea (Class) > Holothuriida (Order) > Holothuriidae (Family) > Holothuria (Genus) > (Holothuria) stellati (Species) 
Initial determination:
Delle Chiaje, 1824 
Occurrence:
Tunesien, the Black Sea, Adriatic Sea (Mediterranean), Croatia, European Coasts, France, Italy, Spain, the Canary Islands, the Mediterranean Sea, Turkey 
Sea depth:
Meter 
Size:
up to 5.12" (13 cm) 
Temperature:
°F - 73.4 °F (°C - 23°C) 
Food:
Detritus, omnivore, Sediment feeder 
Difficulty:
Not suitable for home aquaria! 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Data deficient (DD) 
Related species at
Catalog of Life:
  • Holothuria altaturricula
  • Holothuria anulifera
  • Holothuria aphanes
  • Holothuria arenacava
  • Holothuria arenicola
  • Holothuria arguinensis
  • Holothuria artensis
  • Holothuria asperita
  • Holothuria austrinabassa
  • Holothuria bacilla
 
More related species
in this lexicon:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2020-12-29 10:43:09 

Info

Delle Chiaje, 1823

Common in the Mediterranean and in the Black Sea, lives on sandy, silty grounds, and in areas with vegetation.

Sedimentfeeder with a valuable cleaning support for the seaflor.

This sea cucumber is better left in the sea, because of the toxic poison holuthurin, that may kill all inhabitants of the tank.

Host of the following copepods:
Tisbe holothuriae Humes, 1957
Calypsina changeuxi (Stock & Kleeton, 1972) Allantogynus delamarei Changeux, 1960

Sea cucumbers of the family Holothuriidae possess, exceptions confirm the rule, so-called Cuvier's tubes (named after the French naturalist Georges Cuvier, * August 23, 1769 † May 13, 1832).
These are long, thin tubes that are located on the rectum of the echinoderms and are flung towards potential predators for defense.
These released tubes form a sticky, tough and stretchy network in which fish, crustaceans or other prey predators can become entangled.
The adhesives may also contain toxins (holothurin).

Sea cucumbers are the vacuum cleaners of the oceans, continuously cleaning the sea floors, so it may be useful for aquarists to keep one or more sea cucumbers in the aquarium to avoid detritus rich zones.

Problem:
Many sea cucumbers of the family Holothuriidae can release their venom into the aquarium water when they are in danger or dying, corals are mostly not harmed by the venom, but fish usually die.

Holothurins can cause severe, burning pain when in contact with the skin and irritation and even blindness when in contact with the eyes. When ingested systemically, the toxins can cause paralysis, muscle spasms, and discomfort in the digestive system, and in larger quantities, death by respiratory paralysis.

Since sea cucumbers are considered a delicacy in many Asian countries, the Cuvier's tubes containing the toxins must be removed before preparation or consumption.

External links

  1. European Virtual Aquarium (en). Abgerufen am 07.08.2020.
  2. IUCN Red List of Threatened Species (multi). Abgerufen am 07.08.2020.
  3. Pictolife (de). Abgerufen am 07.08.2020.
  4. SeaLifeBase (multi). Abgerufen am 07.08.2020.
  5. World Register of Marine Species (WoRMS) (en). Abgerufen am 07.08.2020.

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Copyright Matthieu Sontag
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© Anne Frijsinger & Mat Vestjens, Holland, Bild aus der Adria
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