Species profile
Giant Green Anemone
Anthopleura xanthogrammica
At a glance
Giant Green Anemone (Anthopleura xanthogrammica) is a cnidarian present across the CatchRules coverage area but without species-specific bag, size, or season rules tracked in our regulatory dataset.
Confirmed by 23,647 research-grade iNaturalist observations, with California, Oregon, and British Columbia the top jurisdictions by observation count.
Notable details
- One of the largest anemones on the Pacific Coast, reaching up to 30 cm across.
- Its brilliant green color comes from symbiotic algae living directly inside its cells.
- Eats mussels, small fish, crabs, and even sea urchins caught with stinging tentacles.
- Found in surge channels and rocky tidepools from Alaska to Panama.
- A single individual can live for decades in the same tidepool location.
Where Giant Green Anemone are seen
Background
Anthopleura xanthogrammica, or the giant green anemone, is a species of intertidal sea anemone of the family Actiniidae.
Background excerpt adapted from Wikipedia's Giant Green Anemone article (CC BY-SA). Visit Wikipedia for the full entry.
Other jellyfish/anemones/corals on CatchRules
Photo credit: iNaturalist / Wikipedia. Identification reference only — verify regulations with the issuing wildlife agency before retaining a catch.