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Lionfish   (Pterois)
Category: Fish



Despite the potent venom found in their dorsal fins, several species of lionfish are popular in the aquarium trade and their generally peaceful natures and hardiness make them appropriate for intermediate marine hobbyists. While some species of lionfish can grow well over a foot long, requiring very large tanks, there are several smaller species appropriate for small tanks in the 30-50 gallon range. They are carnivores that will devour any fish or invertebrates that fit into their cavernous mouths, so they should be kept with similarly or larger sized peaceful tank-mates. Lionfish like to hide out in caves when not out hunting, usually at dawn and dusk, so provide them with places to escape from view. Some species of lionfish, such as, P. volitans and P. miles, have become invasive species as they move beyond or been transplanted from their native tropical habitats.

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Data & Facts

Scientific Classification
Kingdom - Animalia
Phylum - Chordata
Class - Actinopterygii
Order - Scorpaeniformes
Family - Scorpaenidae
Genus - Pterois

Fish - Animal Facts

Did you know?

If you've ever worn lipstick (or kissed anybody wearing lipstick), you've probably had fish scales on your lips. Of course you won't find "herring scales from commercial fishing hauls" on the ingredients list of your cosmetics - they list it as the regal-sounding "pearl essence" or "pearlescence." But why? Because the scales of silvery fish that capture and reflect light so beautifully in the water function the same way on your lips. So maybe next time somebody calls you "fish lips," don't jump to conclusions too quickly, maybe they mean it as a compliment!