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Aplysia depilans Sea-hares

Aplysia depilans is commonly referred to as Sea-hares. Difficulty in the aquarium: Not for beginners. A aquarium size of at least 400 Liter is recommended. Toxicity: Toxic hazard unknown.


Profilbild Urheber Gilles Cavignaux, Frankreich

Copyright Gilles Cavignaux


Courtesy of the author Gilles Cavignaux, Frankreich Copyright Gilles Cavignaux

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lexID:
3499 
AphiaID:
138754 
Scientific:
Aplysia depilans 
German:
Marmorierter Seehase 
English:
Sea-hares 
Category:
Sea Hares 
Family tree:
Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Aplysiida (Order) > Aplysiidae (Family) > Aplysia (Genus) > depilans (Species) 
Initial determination:
Gmelin, 1791 
Occurrence:
East-Atlantic Ocean, European Coasts, Israel, Spain, the British Isles, the Mediterranean Sea 
Marine Zone:
Subtidal, sublittoral, infralittoral, deep zone of the oceans from the lower limit of the intertidal zone (intertidal) to the shelf edge at about 200 m water depth. neritic. 
Sea depth:
0 - 10 Meter 
Size:
up to 15.75" (40 cm) 
Weight:
380 g 
Temperature:
32 °F - 77 °F (0°C - 25°C) 
Food:
Algae (Algivore) 
Tank:
87.99 gal (~ 400L)  
Difficulty:
Not for beginners 
Offspring:
Not available as offspring 
Toxicity:
Toxic hazard unknown 
CITES:
Not evaluated 
Red List:
Not evaluated (NE) 
Related species at
Catalog of Life:
 
More related species
in this lexicon:
 
Author:
Publisher:
Meerwasser-Lexikon.de
Created:
Last edit:
2023-05-20 21:21:27 

Info

Aplysia depilans Gmelin, 1791

Aplysia depilans feeds on algae, including Ulva lactuca, Hypnea musciformis,Cystoseira barbata and Enteromorpha sp.

Biota > Animalia (Kingdom) >Mollusca (Phylum) > Gastropoda (Class) > Heterobranchia (Subclass) > Opisthobranchia (Infraclass) > Anaspidea (Order) > Aplysioidea (Superfamily) > Aplysiidae (Family) > Aplysia (Genus)

Sea hares feed on algae. They eat various types of algae, kelp and seaweed. In the process, plant parts are rasped off with the rasping tongue (radula). Microscopic food particles are also ingested with the algae. They are often used in aquaristics for algae problems, but with the end of their food they also get nutritional problems.

For protection against predators there are some species that additionally store the toxin aplysiatoxin. This aplysiatoxin is a product of cyanobacteria, which grow on certain types of seaweed. These are ingested along with the algae.

Sea hares are good algae eaters after a usually difficult acclimation period and are also not very picky about the algae. When acclimating, be sure to use the droplet method, as they are extremely sensitive to density fluctuations.

Thus, in addition to the usual filamentous algae, Wrangelia argus and so-called smear algae are often not spurned.
If no more algae are present, then it does not take long and the ea hare starves to death.

However, you can also offer it over-scalded lettuce as a substitute food, but then you should also looka for a substitute home.

Attention, important:
If you want to keep a sea hare, be sure to provide shelter so they don't get caught in a flow pump and shredded.
Dying sea hares are capable of causing the entire fish and crustacean population to die within a short period of time.
If the dead sea hare is not discovered in time, it is imperative to perform a very generous water change and additionally filter with charcoal to filter out the released toxins

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