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Octopus (Octopus sp.)

Find Octopus across reef-livestock retailers on ReefDock. Compare sources, check known pricing where available, and review care information before you buy.

Octopus
Photo: (c) Yinan Li, some rights reserved (CC BY-NC), uploaded by Yinan Li · cc-by-nc
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Where to buy Octopus

ReefDock searches the following reef retailers for this invertebrate. Click through to see the live price.

  • Saltwaterfish

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    Search Saltwaterfish
  • Amazon

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  • Petco

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About Octopus

Octopuses have soft, boneless bodies with eight arms lined with suckers. They are highly variable in coloration, ranging from browns and reds to whites and grays, with the ability to rapidly change color and texture for camouflage and communication.

Key facts

Category
Octopus
Care Level
Expert
Notes
Photo needed: new livestock catalog expansion entry added on 2026-04-25. Specialty only. Requires escape-proof species tank, excellent filtration, and expert care. Photo candidate added via SearchAPI on 2026-04-25 from inaturalist.org. Verify species match and usage rights before marking final.
Compatibility
Octopuses are solitary and highly predatory. They will consume small fish, crustaceans, and invertebrates. Not suitable for community tanks.
Appearance Description
Octopuses have soft, boneless bodies with eight arms lined with suckers. They are highly variable in coloration, ranging from browns and reds to whites and grays, with the ability to rapidly change color and texture for camouflage and communication.
Diet Details
Carnivorous; feed crabs, shrimp, and small fish. 2–3 times per week. Live or frozen prey preferred.
Min tank size
100 gallons
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.024-1.026
Family
Octopodidae
Max Size
36
Type
Predatory
Origin
Octopuses are found in tropical and temperate oceans worldwide, from shallow coral reefs to deep sea environments across the Indo-Pacific, Atlantic, and Mediterranean regions.

Research before you buy

ReefDock is the sister app to Reef Trak. Use Reef Trak to research and log invertebrates, keep tank parameters organized, and maintain a complete livestock history. Log this invertebrate on Reef Trak.

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