Western Sea Slater

ligia occidentalis

The Western Sea Slater is a small, lively creature that loves to scuttle around on rocky shores. They are great at hiding in tiny crevices and are fun to watch as they explore their coastal homes!

Habitat: Rocky shores and tide pools along the coast.

Appearance

The Western Sea Slater is a flattened, oval-shaped invertebrate with a segmented, dull grey or mottled brown body. It has long, slender antennae and many legs, allowing it to scurry quickly over rocks. Its coloration helps it blend perfectly with coastal environments.

KingdomAnimaliaPhylumArthropodaClassMalacostracaOrderIsopodaFamilyLigiidaeGenusLigia

Photo: Justin JohnsenCC BY-SA 4.0 · Wikimedia CommonsView original ↗

Western Sea Slater

Interesting facts

Sea slaters have huge compound eyes, like a fly's, for great vision!

These speedy critters can run backwards just as fast as forwards!

They are more closely related to terrestrial pillbugs than to crabs!

They can sense changes in the tide, knowing when to climb higher!

Special abilities

Western Sea Slater can move incredibly fast over rocks because of its numerous legs, helping them escape predators in a flash.

Western Sea Slater has specialized gills that allow them to breathe even when out of water, helping them survive low tide for hours.

Western Sea Slater is most active at night, which helps them avoid daytime predators and find food more safely in the dark.

Measurements & details

Length: 3.5 cm
Lifespan: 2 years
Speed: 5 km/h

Diet & Feeding

Nature's clean-up crew, munching on decaying plants and tiny bits of algae along the shore!

Primary Foods

Decaying seaweed
Dead algae
Detritus
Microorganisms

Foraging Method

Scavenging

Ecological connections

Eaten by

Spotted Sandpiper

Actitis macularius

A quick meal for shorebirds.

Eaten by

Striped Shore Crab

Pachygrapsus crassipes

Crabs snatch them from rocks.

Eats

Sea Lettuce

Ulva lactuca

Consumes decaying bits of this green alga.

Eats

Rockweed

Fucus gardneri

Feeds on dead or dying strands of this seaweed.

Traits

Solitary

Solitary animals live alone for most of their lives, only interacting with others for mating or parental care.

Decomposer

Describes organisms that break down dead organic material, recycling nutrients back into the ecosystem.

Coastal

Coastal habitats are dynamic environments located along the interface between land and sea, influenced by tides, waves, and saltwater.

Diurnal

Diurnal animals are primarily active during daylight hours, typically resting or sleeping at night.

Marine

Marine habitats encompass all saltwater environments of the Earth's oceans, supporting an immense diversity of aquatic life.

Also known as

Coastal PillbugRock BugSea Roach

Collections

Invertebrates

Safety

Danger

0/5 · No known danger

No special safety notes yet.

Frequently Asked Questions

How to identify Western Sea Slater?

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 Western Sea Slater?

3.5 cm

How long does Western Sea Slater live?

2 years

How fast can Western Sea Slater move?

5 km/h

What does Western Sea Slater eat?

Nature's clean-up crew, munching on decaying plants and tiny bits of algae along the shore!

Where is Western Sea Slater usually found?

Rocky shores and tide pools along the coast.

How does Western Sea Slater hunt?

Scavenging