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Green Brittle Star (Ophiarachna incrassata)

Find Green Brittle Star across reef-livestock retailers and from fellow hobbyists on ReefDock. Compare sources, check live pricing where available, and review source-tank parameters on Reef-Trak-verified invertebrate listings before you buy.

Green Brittle Star
Photo: (c) Blogie Robillo, some rights reserved (CC BY-NC-ND), uploaded by Blogie Robillo · cc-by-nc-nd
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Where to buy Green Brittle Star

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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    Search Amazon
  • Petco

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    Search Petco

About Green Brittle Star

Greenish-brown to olive-colored brittle star with banded, flattened arms and a relatively smooth disc. Readily identified by its large size and robust build compared to most other reef brittle stars.

Key facts

Diet Details
Carnivorous scavengers feeding on small fish, crustaceans, mollusks, and detritus. Feed meaty foods like shrimp and fish several times weekly.
Appearance Description
Greenish-brown to olive-colored brittle star with banded, flattened arms and a relatively smooth disc. Readily identified by its large size and robust build compared to most other reef brittle stars.
Compatibility
Green brittle stars are aggressive nocturnal predators that will consume fish, shrimp, and other invertebrates. Best kept alone in species-specific tanks.
Notes
• Minimum 55 gallon tank with plenty of rock crevices and rubble for hiding • Maintain temperature 72–78°F, pH 8.1–8.3, and salinity 1.023–1.025 • Feed meaty foods (frozen shrimp, fish) 2–3 times per week; will also scavenge • Nocturnal; provide dim lighting and undisturbed shelter • Handle with care to avoid arm breakage
Category
Starfish
Care Level
Expert
Origin
Indo-Pacific, including the Red Sea, East Africa, and throughout the tropical western Pacific to Hawaii and Australia.
Type
Starfish
Max Size
15
Water Parameters
Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
Family
Ophiarachnidae
Min tank size
55 gallons

Looking for a hobbyist seller?

ReefDock's marketplace lets reef-keepers sell invertebrates directly to other reef-keepers with Stripe-secured checkout and live-arrival photo confirmation. Browse current invertebrates listings on ReefDock, or list your own.

Verify the source tank before you buy

ReefDock is the sister app to Reef Trak. Sellers who maintain a Reef Trak tank log can publish source-tank parameters on eligible invertebrate listings — so you can see the conditions a invertebrate was raised in before you buy. Log this invertebrate on Reef Trak.

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