|Latin name||Asthenosoma varium|
|Common name||Fire urchin|
|Family||Echinoidea - Asthenosoma|
|Origin||East Indian Ocean|
|Max length||15 cm (5.9")|
As aquarium fish
This species is venomous, but it´s toxin is rarely dangerous to humans. It can however cause considerable pain.
In case of poisoning it is vital to have as much information as possible regarding the species/poison. Have telephone numbers for the poison hotline close to the aquarium.
Since different people can have different reactions to poisons, take precautions necessary to ensure personal safety and that of the surroundings.
This poison can be dangerous if suffering from allergies.
This species can eat large amounts of algae (relative to their size) from rocks, like green hair algae and filamentous algae.
As it doesn’t eat every algae type, in case of a specific algae plague, find out more precise information.
Family description (Echinoidea)
Sea urchins are often used to keep various algae at bay.
They are very effective algae eaters, and will eat anything from coralline algae to green hair algae.
Sea urchins must not be kept in an aquarium with few algae, as they may starve to death.
Sea urchins should be acclimatized slowly, due to sensitivity towards changes in salinity.
References and further reading
Ronald L. Shimek. 2004. Marine Invertebrates (PocketExpert Guide) - TFH Publications / Microcosm Ltd. - (English)
Ronald L. Shimek. 2003. Sea Urchins, A Testy Subject - Reefkeeping Magazine - (English)
Bob Fenner. Some Spines Now! Sea Urchins (and Sand Dollars), the Echinoids, Pt. 1, Pt. 2 - Wet Web Media - (English)
|venomous, algae eater, herbivore|