
Species profile
Mottled Star
Evasterias troschelii
Identify Mottled Star (Evasterias troschelii) from a photo — free, unlimited, no sign-up — with the CatchRules iPhone app. Plus current fishing rules across 1 jurisdiction.
At a glance
Mottled Star (Evasterias troschelii) is an echinoderm with specific harvest rules tracked in 1 of 66 jurisdictions covered by CatchRules.
Confirmed by 13,353 research-grade iNaturalist observations, with Washington, British Columbia, and Alaska the top jurisdictions by observation count.
Notable details
- Arm spans can reach up to 60 cm (24 inches), one of the larger Pacific sea stars.
- Feeds on mussels, clams, and barnacles along rocky intertidal and subtidal shores.
- Found from Alaska south to Monterey, California, in cold Pacific waters.
- Can slowly regenerate a lost arm over several months.
- Its mottled gray, brown, and orange pattern helps it blend into rocky substrates.
Where Mottled Star are seen
Jurisdictions with rules for Mottled Star
Background
Evasterias troschelii is a species of starfish in the family Asteriidae. Its common names include the mottled star, false ochre sea star and Troschel's true star. It is found in Kamchatka and the north western coast of North America.
Background excerpt adapted from Wikipedia's Mottled Star article (CC BY-SA). Visit Wikipedia for the full entry.
Frequently asked questions
What is Mottled Star?
Mottled Star (Evasterias troschelii) is an echinoderm with specific harvest rules tracked in 1 of 66 jurisdictions covered by CatchRules.
What is the scientific name for Mottled Star?
Mottled Star is Evasterias troschelii.
Is Mottled Star regulated for fishing?
Yes — Mottled Star has fishing regulations in 1 U.S. state and/or Canadian province tracked by CatchRules. See the "Jurisdictions with rules" section above for the binding-source links.
How can I identify Mottled Star?
Take a photo with the free CatchRules iPhone app — on-device identification recognizes Mottled Star along with ~1,500 other species. No sign-up, unlimited use.
Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.