From ReefPedia

[edit] Bimac Octopus Scientific Name O. bimaculoidesis Max. Size: Mantle:7" Arms:23" Tank Size: 60 gallons Aggression: Aggressive Hardiness: Sensitive Reef-Safe: Safe with coral, mushrooms, ect; but may knock them over. Will eat or be stressed by fish, bivalves, snails and crabs. Available as captive-bred: Rarely Hitchhiker? No

[Bimac Octopus]

Physical Description

(It is an octopus with two false eye-spots.)

Distribution

Eastern Pacific: mid California coast into Mexico. Indo-Pacific: East Africa to American Samoa, north to Japan, south to the Great Barrier Reef.

Taxonomic Stuff you know you Care About

• Genus: Octopus

• Species: O. bimaculoidesis

Behavior

They can be very socially attached to their owner/person who feeds them. They can be trained to do trick (taking a crab out of a closed jar ect.) and can be very intelligent.

Feeding

They eat crabs, shrimp, snails and some fish and may eventually accept frozen items (see above food items).

Breeding

Oviparous; lays only one clutch of eggs in a lifetime.

Social Structure

It is a loner unless mating.

Additional Notes

Due to inking, a good protein skimmer needs to be in place. They are escape artists and can fit through any space that their beak can fit through. They require a mature, species-only tank with heavy filtration.