# Pismo Clam (*tivela stultorum*)

Pismo clams are fun little creatures that live in the sand at the beach! They can dig deep into the sand and are often found in groups.

- **Category:** [Invertebrate](https://www.snappit.app/explore/categories/invertebrate)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 1
- **Habitat:** Pismo clams live in sandy beaches along the Pacific coast.
- **Also known as:** cooked clam, sand clam

![Pismo Clam](https://inaturalist-open-data.s3.amazonaws.com/photos/342025023/medium.jpeg)

Photo: Cricket Raspet, CC BY 4.0 · [iNaturalist](https://www.inaturalist.org/photos/342025023)

## Appearance

The Pismo Clam has a thick, smooth, triangular shell, typically creamy white to light brown. Its surface often shows faint radiating dark lines, distinguishing it from thinner, rounder clams.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Mollusca
- **Class:** Bivalvia
- **Order:** Venerida
- **Family:** Veneridae
- **Genus:** Tivela

## Interesting facts

- Each ring on a Pismo clam's shell shows its age, just like tree rings do!
- Indigenous peoples once collected Pismo clams by the thousands for food.
- Laws were made in the 1900s to protect Pismo clams from over-collection.
- They are named after Pismo Beach, California, where they were once extremely abundant!

## Special abilities

- **Sand Sprinter:** Pismo Clam can rapidly burrow into wet sand using its strong muscular foot, which helps them hide from predators and rough waves.
- **Water Cleaner:** Pismo Clam has two siphons that filter tiny food particles from the water, helping them eat and keep the ocean clear.
- **Armored Home:** Pismo Clam has an incredibly thick, hard shell that provides excellent protection from crushing predators and strong currents.

## Measurements & details

- **Length:** 18 cm
- **Length:** 12 cm
- **Weight:** 250 g
- **Lifespan:** 35 years

## Diet & Feeding

Pismo Clams are ocean vacuum cleaners, sucking in water to filter out tiny bits of food!

- **Primary Foods:** phytoplankton, zooplankton, marine detritus
- **Foraging Method:** Filter feeding

## Ecological connections

- **Eaten by:** [Sea Otter](https://www.snappit.app/explore/sea-otter) (*Enhydra lutris*) — Crack open their shells for a tasty meal.
- **Eaten by:** [Leopard Shark](https://www.snappit.app/explore/leopard-shark) (*Triakis semifasciata*) — Crushes clam shells with its blunt teeth.
- **Eaten by:** [Ochre Sea Star](https://www.snappit.app/explore/ochre-sea-star) (*Pisaster ochraceus*) — Pulls open shells with its powerful arms.

## Traits

- [Burrowing](https://www.snappit.app/explore/traits/burrowing): Burrowing animals dig tunnels and chambers in the ground, using these subterranean structures for shelter, hunting, or breeding.
- [Filter Feeder](https://www.snappit.app/explore/traits/filter-feeder): Filter feeders obtain nutrients by straining suspended food particles and small organisms from water.
- [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

Be careful when digging in the sand to avoid harming the clams!

## Frequently Asked Questions

### How to identify Pismo Clam?

Compare the overall shape, opening, spiral, ribs, hinge and surface sculpture. Beach shells often lose the colors and sharp edges they had on the living animal, so shape does most of the work. Seashell Identifier: upload a photo and compare the visible details.

### How long is Pismo Clam?

18 cm

### How much does Pismo Clam weigh?

250 g

### How long does Pismo Clam live?

35 years

### What does Pismo Clam eat?

Pismo Clams are ocean vacuum cleaners, sucking in water to filter out tiny bits of food!

### Where is Pismo Clam usually found?

Pismo clams live in sandy beaches along the Pacific coast.

### How does Pismo Clam hunt?

Filter feeding

## Where to spot

- [Naval Air Station North Island](https://www.snappit.app/guides/places/naval-air-station-north-island) — California, US · Historic Site
- [Sunset State Beach](https://www.snappit.app/guides/places/sunset-state-beach) — California, US · State Park

## 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*)

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Source: [Pismo Clam: Characteristics, Facts & Places to See — Snappit](https://www.snappit.app/explore/pismo-clam)