Graceful Rock Crab
ExploreInvertebrate
Graceful Rock Crab
metacarcinus gracilis
The Graceful Rock Crab is a colorful creature that scuttles along the shore! With its hard shell and quick movements, it's a fun sight to see at the beach.
Habitat: Coastal areas and rocky shorelines.
Appearance
The Graceful Rock Crab has a flattened, fan-shaped carapace, typically orange-brown to reddish, often adorned with pale spots. Its long, slender legs and small, smooth claws distinguish it. It usually grows up to 10 cm wide.
KingdomAnimaliaPhylumArthropodaClassMalacostracaOrderDecapodaFamilyCancridaeGenusMetacarcinus
Category
InvertebrateRarity
Common
Danger
1/5 · Very low
Snaps
Be the first to snap!
Interesting facts
A crab's shell doesn't grow, so they shed it to get bigger!
Baby crabs, called zoea, look like tiny aliens, not like their parents!
Graceful Rock Crabs have eyes on stalks that can see almost all around them!
They use their small antennae to smell and feel their way around.
Special abilities
Ability
Limb Regeneration
Graceful Rock Crab can regrow lost legs or claws, which helps them recover quickly from predator attacks or injuries.
Ability
Agile Explorer
Graceful Rock Crab has a streamlined body and nimble legs that help them scuttle quickly across rocks and navigate complex tide pools.
Ability
Protective Armor
Graceful Rock Crab has a hard exoskeleton that helps them protect their soft body from predators and harsh environments.
Measurements & details
- Leg Span
- 15 cm
- Shell Length
- 8 cm
- Weight
- 100 g
- Lifespan
- 4 years
Diet & Feeding
This crab is an opportunistic omnivore, munching on tiny bits of plants and animals!
Primary Foods
- Algae
- Small invertebrates
- Detritus
- Scraps of fish
Foraging Method
- Foraging
Ecological connections
hunts
Sunflower sea star
Pycnopodia helianthoides
A major predator of crabs.
eats
Sea otter
Enhydra lutris
Crabs are part of their varied diet.
eaten by
California mussel
Mytilus californianus
Graceful Rock Crabs will forage on them.
Traits
Social
Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring.
Colorful
Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
Coastal
Coastal habitats are dynamic environments located along the interface between land and sea, influenced by tides, waves, and saltwater.
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
Pacific Rock CrabShore Crab
Collections
Safety
Danger
1/5 · Very low
Always watch crabs from a distance to avoid pinching!
Frequently Asked Questions
How big is Graceful Rock Crab?
15 cm
How much does Graceful Rock Crab weigh?
100 g
How long does Graceful Rock Crab live?
4 years
What does Graceful Rock Crab eat?
This crab is an opportunistic omnivore, munching on tiny bits of plants and animals!
Where is Graceful Rock Crab usually found?
Coastal areas and rocky shorelines.
How does Graceful Rock Crab hunt?
Foraging
Snap Map
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