Giant Green Anemone
ExploreInvertebrate
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.
Habitat: They live along the rocky shores of the Pacific Ocean.
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.
KingdomAnimaliaPhylumCnidariaClassAnthozoaOrderActiniariaFamilyActiniidaeGenusAnthopleura
Category
InvertebrateRarity
Common
Danger
2/5 · Low
Snaps
Be the first to snap!
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
Ability
Solar Power
Giant Green Anemone has tiny algae living inside its tissues that helps them get energy from sunlight, like a living solar panel.
Ability
Sticky Foot
Giant Green Anemone can cling firmly to rocks using a powerful muscular foot that helps them withstand strong ocean currents and waves.
Ability
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
Solitary animals live alone for most of their lives, only interacting with others for mating or parental care.
Colorful
Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
Filter Feeder
Filter feeders obtain nutrients by straining suspended food particles and small organisms from water.
Carnivorous
This trait identifies organisms whose diet consists entirely or primarily of animal tissue.
Marine
Marine habitats encompass all saltwater environments of the Earth's oceans, supporting an immense diversity of aquatic life.
Also known as
Green AnemoneRock Anemone
Collections
Safety
Danger
2/5 · Low
Do not touch, as their tentacles can sting.
Frequently Asked Questions
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
Snap Map
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Recent Snaps
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Where to spot
Park27 sightings6 species
California, US
Coast Dairies State Park
You might spot Ochre Sea Star, Giant Green Anemone, and Sunburst Anemone.
View guide →
Park16 sightings5 species
British Columbia, CA
Pacific Rim National Park Reserve of Canada
You might spot Ochre Sea Star, Banana Slug, and Aggregating Anemone.
View guide →
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