Marine Betta fish (Calloplesiops altivelis) is a member of the grouper group and are found in the Indo-Pacific ocean.

They are widely available in the aquarium trade and smaller specimens are usually a better purchase since they more easily adapts to new environments.

They can grow to be 11 inches in aquariums even if most specimens never reach anywhere near this length 6 inches is a more common size for an adult Marine Betta.

They are a hardy species if their feeding habits are meet and only seldom suffers from diseases.

Marine Betta fish spend most of their time in caves and can be kept in relatively small aquariums.

A 50 gallon aquarium tank is enough to keep a pair of this species.

They are predators and should as such not be kept with fish that are small enough to be considered food.

They can usually be kept with not to small invertebrates.

Marine Betta fish can if they are kept well feed usually be kept with smaller fish without touching them.

However you should be aware of the risk that the smaller fish gets eaten if you try this. (try at you own risk) Marine Betta fish should never be kept with fast eating fish like damsels.

Recommended Tank size: minimum 50 gallon

Food and Diet: carnivorous, feed a varied diet of meaty foods

Reef Compatability: will eat all small fish and shrimp.

Level of Care: Easy