ReefDock
ShopEquipmentLivestockFAQ
  1. Home
  2. /Shop
  3. /Livestock
  4. /Invertebrates
  5. /Green Brittle Star

Green Brittle Star (Ophiarachna incrassata)

Find Green Brittle Star across reef-livestock retailers on ReefDock. Compare sources, check known pricing where available, and review care information 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
Some retailer links may earn ReefDock a small commission at no extra cost to you. Learn more.

Where to buy Green Brittle Star

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

  • Saltwaterfish

    Search this retailer

    Search Saltwaterfish
  • Amazon

    Search this retailer

    Search Amazon
  • Petco

    Search this retailer

    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

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.

Related invertebrates

  • Acropora Crab

    Hoplophrys oatesii

  • Amphipods

    Gammarus sp.

  • Anemone Crab

    Neopetrolisthes ohshimai

  • Arrow Crab

    Stenorhynchus seticornis

  • Astrea Snail

    Lithopoma americanum

  • Barnacle

    Cirripedia sp.

  • Berghia Nudibranch

    Berghia stephanieae

  • Blood Red Fire Shrimp

    Lysmata debelius

ReefDock

Reef-product search built by the maker of Reef Trak.

Questions? support@reeftrak.com

Shop

  • All reef products
  • Equipment
  • Livestock
  • Brands

Categories

  • Corals
  • Fish
  • Invertebrates
  • Equipment
  • Frags

About

  • Partners
  • About ReefDock
  • FAQ
  • ReefTrak integration
  • Affiliate disclosure

© 2026 ReefDock · Privacy · Terms