# Striped Shore Crab (*pachygrapsus crassipes*) The Striped Shore Crab is a small, colorful crab that loves to scuttle along the sandy shores. With its striped shell, it can easily blend in with the rocks and sand! - **Category:** [Invertebrate](https://www.snappit.app/explore/categories/invertebrate) - **Rarity:** Common - **Danger:** 1/5 · Very low - **Snaps:** 28 - **Habitat:** Rocky shores, sandy beaches, and coastal areas. - **Also known as:** Pacific crab, striped crab ![Striped Shore Crab](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Pachygrapsus_crassipes.jpg&width=800) Photo: matt knoth from San Francisco, yesicannibus, CC BY 2.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Pachygrapsus_crassipes.jpg) ## Appearance The Striped Shore Crab is a small, flattened crab with a square-shaped carapace, typically dark purplish-brown to green. It often has two to three prominent light-colored stripes or bands across its back. Its sturdy legs and flattened body help it navigate rocky intertidal zones. ## Taxonomy - **Kingdom:** Animalia - **Phylum:** Arthropoda - **Class:** Malacostraca - **Order:** Decapoda - **Family:** Grapsidae - **Genus:** Pachygrapsus ## Interesting facts - A Striped Shore Crab can change its shell color slightly to better hide among rocks. - It uses tiny hairs on its antennae and legs to 'taste' the water and find food. - Its hard outer shell is like a knight's armor, protecting it from enemies and harsh waves. - This crab can walk forwards, backwards, and sideways with impressive speed! ## Special abilities - **Tidal Breath:** Striped Shore Crab can breathe air for extended periods because of specialized gills, helping it survive out of water at low tide. - **Super Grip:** Striped Shore Crab has rough, bristly legs that help them cling tightly to rocks, preventing being washed away by waves. - **Limb Regeneration:** Striped Shore Crab can regrow a lost claw or leg over several molts, helping them recover from predator attacks. ## Measurements & details - **Length:** 5 cm - **Lifespan:** 3 years ## Diet & Feeding This adaptable crab eats many things found on the shore, from algae to small dead animals. - **Primary Foods:** algae, detritus, barnacles, small snails, dead fish - **Foraging Method:** Foraging ## Ecological connections - **Eaten by:** [Western Gull](https://www.snappit.app/explore/western-gull) (*Larus occidentalis*) — Gulls frequently snatch crabs from exposed shores. - **Eaten by:** [Raccoon](https://www.snappit.app/explore/raccoon) (*Procyon lotor*) — Raccoons forage for these crabs along the waterline at night. - **Hunts:** Acorn Barnacle (*Balanus glandula*) — Crabs scrape barnacles from rocks to consume their soft bodies. - **Eats:** Sea Lettuce (*Ulva lactuca*) — This crab grazes on various types of green and red algae. ## Traits - [Striped](https://www.snappit.app/explore/traits/striped): Marked with parallel bands or lines of color. - [Social](https://www.snappit.app/explore/traits/social): Social animals live in organized groups, cooperating for survival benefits such as foraging, defense, and raising offspring. - [Coastal](https://www.snappit.app/explore/traits/coastal): Coastal habitats are dynamic environments located along the interface between land and sea, influenced by tides, waves, and saltwater. - [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:** 1/5 · Very low No special safety notes yet. ## Frequently Asked Questions ### How to identify Striped Shore Crab? 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 Striped Shore Crab? 5 cm ### How long does Striped Shore Crab live? 3 years ### What does Striped Shore Crab eat? This adaptable crab eats many things found on the shore, from algae to small dead animals. ### Where is Striped Shore Crab usually found? Rocky shores, sandy beaches, and coastal areas. ### How does Striped Shore Crab hunt? Foraging ## Where to spot - [Cabrillo National Monument](https://www.snappit.app/guides/places/cabrillo-national-monument) — California, US · National Park - [Crystal Cove Historic District](https://www.snappit.app/guides/places/crystal-cove-historic-district) — California, US · Historic District - [Forts Baker, Barry, and Cronkhite](https://www.snappit.app/guides/places/forts-baker-barry-and-cronkhite) — California, US · Historic District - [Little Italy](https://www.snappit.app/guides/places/little-italy) — California, US · Neighborhood - [Point Dume State Beach](https://www.snappit.app/guides/places/point-dume-state-beach) — California, US · State Park - [Presidio Park](https://www.snappit.app/guides/places/presidio-park) — California, US · Nature Reserve [View all places to see Striped Shore Crab](https://www.snappit.app/guides/where-to-see/striped-shore-crab) ## 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: [Striped Shore Crab: Facts & Places to See — Snappit](https://www.snappit.app/explore/striped-shore-crab)