Common name: Two-spotted octopus
General information
The Two-spot Octopus, scientifically known as Octopus bimaculatus, is a fascinating species for advanced aquarists. It is known for its intelligence, problem-solving abilities, and the characteristic blue rings or spots on each side of its head, which give it its common name. This species is often studied for its complex behavior and neurological physiology.
Details
- Recommended minimum tank volume
- 200 liter (53 gallons)
- Salinity
- S.G. 1.023 to 1.026
- Temperature
- 20 to 24 °C (68 to 75 °F)
- Acidity
- pH 7.8 to 8.4
- Average size
- 45 cm (1′6″)
- Care level
- Moderate to easy Needs secure lid to prevent escape
- Diet
- Carnivore Enjoys live or frozen shrimps
- Reefsafe
- No May prey on tank mates
- Aggression
- Semi aggresive Can be interactive but predatory
- Captive bred
- No
Taxonomy
- KingdomAnimalsAnimalia
- PhylumMollusksMollusca
- ClassCephalopodsCephalopoda
- OrderOctopusOctopoda
- FamilyOctopusOctopodidae
- GenusOctopusOctopus
- SpeciesTwo-spotted octopusOctopus bimaculatus Verrill, 1883
Care
Octopus bimaculatus requires a species-specific tank setup with secure lids to prevent escape, as octopuses are known for their Houdini-like abilities. The tank should have plenty of hiding places and live rock to simulate a natural environment. They are sensitive to water quality, so excellent filtration and regular water changes are crucial.
Reproduction
In captivity, breeding Octopus bimaculatus can be challenging. Males use a specialized arm called a hectocotylus to transfer sperm packets to females. After mating, females lay clusters of eggs and tend to them until they hatch, after which the female typically dies, a phenomenon known as semelparity.
Habitat
The natural habitat of the Two-spot Octopus includes rocky reefs and crevices along the coast of California and the Gulf of California. They are benthic creatures, meaning they live on the ocean floor, where they hunt for crustaceans and bivalves.