# Giant Green Anemone (*anthopleura xanthogrammica*) The Giant Green Anemone is a colorful sea creature that loves to wiggle its tentacles in the water! These amazing animals can stick to rocks and provide homes for tiny fish. - **Category:** [Invertebrate](https://www.snappit.app/explore/categories/invertebrate) - **Rarity:** Common - **Danger:** 2/5 · Low - **Snaps:** 6 - **Habitat:** They live along the rocky shores of the Pacific Ocean. - **Also known as:** Green Anemone, Rock Anemone ![Giant Green Anemone](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Anthopleura_xanthogrammica_1.jpg&width=800) Photo: Stan Shebs, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Anthopleura_xanthogrammica_1.jpg) ## Appearance The Giant Green Anemone is a large, vibrant green sea anemone with a thick, columnar body and hundreds of short, conical tentacles. Its bright green color comes from symbiotic algae, and it often has reddish or pinkish tips on its tentacles, making it stand out in tide pools. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Cnidaria - **Class:** Anthozoa - **Order:** Actiniaria - **Family:** Actiniidae - **Genus:** Anthopleura ## Interesting facts - A giant green anemone can live over 80 years, often staying in the same rock crevice! - Some brave sea slugs can actually eat these anemones without getting stung! - They have no brain, no heart, and no lungs, yet they are fantastic predators! - When the tide goes out, they pull in their tentacles and shrink into a wobbly green blob. ## Special abilities - **Solar Power:** Giant Green Anemone has tiny algae living inside its tissues that helps them get energy from sunlight, like a living solar panel. - **Sticky Foot:** Giant Green Anemone can cling firmly to rocks using a powerful muscular foot that helps them withstand strong ocean currents and waves. - **Split & Grow:** Giant Green Anemone can reproduce by slowly splitting its body in two, because this helps them create new clones without a partner. ## Measurements & details - **Length:** 25 cm - **Lifespan:** 70 years - **Maximum Depth:** 30 m ## Diet & Feeding An ambush predator, it grabs small creatures floating by or swimming too close. - **Primary Foods:** small fish, crabs, shrimp, mollusks, zooplankton - **Foraging Method:** Ambush ## Ecological connections - **Symbiotic with:** Green Algae (*Elliptochloris marina*) — Provides anemone with food from photosynthesis. - **Eats:** Red Rock Crab (*Cancer productus*) — Snagged by tentacles as it scuttles by. - **Eats:** Hairy Hermit Crab (*Pagurus hirsutiusculus*) — Caught unaware while exploring tide pool. - **Eaten by:** Shaggy Sea Hare (*Aeolidia papillosa*) — Predatory sea slug that consumes anemone parts. ## Traits - [Solitary](https://www.snappit.app/explore/traits/solitary): Solitary animals live alone for most of their lives, only interacting with others for mating or parental care. - [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors. - [Filter Feeder](https://www.snappit.app/explore/traits/filter-feeder): Filter feeders obtain nutrients by straining suspended food particles and small organisms from water. - [Carnivorous](https://www.snappit.app/explore/traits/carnivorous): This trait identifies organisms whose diet consists entirely or primarily of animal tissue. - [Marine](https://www.snappit.app/explore/traits/marine): Marine habitats encompass all saltwater environments of the Earth's oceans, supporting an immense diversity of aquatic life. ## Collections - [Invertebrates](https://www.snappit.app/explore/collections/invertebrates) ## Safety **Danger:** 2/5 · Low Do not touch, as their tentacles can sting. ## Frequently Asked Questions ### How to identify Giant Green Anemone? Look for fins, arms, tentacles, shells and body symmetry. Underwater light shifts colors, so structure and markings usually matter more than shade. Sea Creature Identifier: upload a photo and compare the visible details. ### How long is Giant Green Anemone? 25 cm ### How long does Giant Green Anemone live? 70 years ### What does Giant Green Anemone eat? An ambush predator, it grabs small creatures floating by or swimming too close. ### Where is Giant Green Anemone usually found? They live along the rocky shores of the Pacific Ocean. ### How does Giant Green Anemone hunt? Ambush ### How deep can Giant Green Anemone go? 30 m ## Where to spot - [Arboretum at the University of California, Santa Cruz](https://www.snappit.app/guides/places/arboretum-at-the-university-of-california-santa-cruz) — California, US · Botanical Garden - [Arena Cove Historic District](https://www.snappit.app/guides/places/arena-cove-historic-district) — California, US · Historic District - [Audubon Canyon](https://www.snappit.app/guides/places/audubon-canyon) — California, US · Nature Reserve - [Bodega Bay](https://www.snappit.app/guides/places/bodega-bay) — US · Natural Landmark - [Guard Island Light](https://www.snappit.app/guides/places/guard-island-light) — US · Historic District - [Mendocino and Headlands Historic District](https://www.snappit.app/guides/places/mendocino-and-headlands-historic-district) — US · Historic District [View all places to see Giant Green Anemone](https://www.snappit.app/guides/where-to-see/giant-green-anemone) ## More Invertebrate - [Coral](https://www.snappit.app/explore/coral) - [Crab Spider](https://www.snappit.app/explore/crab-spider) (*Mecaphesa asperata*) - [Garden Spider](https://www.snappit.app/explore/garden-spider) (*Araneus diadematus*) - [Brown Recluse Spider](https://www.snappit.app/explore/brown-recluse-spider) (*Loxosceles reclusa*) --- Source: [Giant Green Anemone: Facts & Places to See — Snappit](https://www.snappit.app/explore/giant-green-anemone)