---
title: "California Seahare"
description: "Aplysia californica — Other animals. The California sea hare (Aplysia californica) is a species of sea slug in the sea hare family, Aplysiidae."
canonical: https://animalchecklist.com/animal/california-seahare
last_updated: 2026-09-20
---

# California Seahare

> Aplysia californica — Other animals. The California sea hare (Aplysia californica) is a species of sea slug in the sea hare family, Aplysiidae.

- Scientific name: *Aplysia californica*
- Category: `other` (Other animals)
- Habitats: `sea` (Sea & coast)
- iNaturalist observations: 10135
- Wikidata: [Q1698916](https://www.wikidata.org/wiki/Q1698916)
- iNaturalist taxon: [48655](https://www.inaturalist.org/taxa/48655)

## Names

- en: California Seahare
- de: Kalifornischer Seehase
- es: Liebre marina de California
- nl: Californische zeehaas

## Countries with the most observations

US (9014), MX (670)

## Summary

The California sea hare (Aplysia californica) is a species of sea slug in the sea hare family, Aplysiidae.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/California_sea_hare

## Photo

![California Seahare](https://animalchecklist.com/img/animals/california-seahare/medium.jpg)

Photo: Chris Spain · CC0 · inaturalist — https://www.inaturalist.org/observations/230285682

## Machine access

`GET https://animalchecklist.com/api/v1/animals/california-seahare?lang=en` — see [openapi.json](https://animalchecklist.com/openapi.json).