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Aplysia nigrocincta seahare

Aplysia nigrocincta is commonly referred to as seahare. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.


Profilbild Urheber Jenvit Seriburi

Aplysia nigrocincta,Pacific Ocean, Tokyo, JP 2025


Courtesy of the author Jenvit Seriburi Jenvit Seriburi. Please visit www.inaturalist.org for more information.

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lexID:
12518 
AphiaID:
1349546 
Scientific:
Aplysia nigrocincta 
German:
Seehase 
English:
Seahare 
Category:
Lepri di mare 
Family tree:
Animalia (Kingdom) > Mollusca (Phylum) > Gastropoda (Class) > Aplysiida (Order) > Aplysiidae (Family) > Aplysia (Genus) > nigrocincta (Species) 
Initial determination:
von Martens, 1880 
Occurrence:
Hong Kong, East Africa, Indo Pacific, Indonesia, Japan, Marschall Islands, Mauritius, Mozambique, Papua New Guinea, Philippines, Tansania, the Seychelles, Vanuatu, Western Pacific Ocean 
Sea depth:
2 - 30 Meter 
Habitats:
Algae zones, Intertidal reefs, Intertidal zone, Tidal Zone, Lagoons, Seawater, Sea water 
Size:
0.79" - 2.36" (2cm - 6cm) 
Temperature:
°F - 82.4 °F (°C - 28°C) 
Food:
algae grazer, epiphytes feeder, Detritus, Zoobenthos 
Difficulty:
There are no reports available yet that this animal has already been kept in captivity successfully 
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:
2025-06-09 13:53:41 

Info

Aplysia nigrocincta von Martens, 1880

Aplysia nigrocincta is probably the smallest species of Genus Aplysia in the Philippines, reaching a maximium length of about 6 cm. It's colour is very variable, mottled red-brown, green or black, the large parapodial flaps have a black and/or a whitish/cream edge.

This species is an algae grazer, feed zoobenthos and detritus.

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

External links

  1. sealifebase.se (en). Abgerufen am 09.06.2025.

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