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Aplysia dactylomela

1998 · Photo: Boaz Liebes

Aplysia dactylomela Rang, 1828

Spotted seahare

Australia · Indo Pacific -Coral Sea

Migrant species Observed: 2002–2026
Size
⁦100–150⁩ mm · max 400 mm
Depth
⁦0–40⁩ m
Native range
Atlantic Ocean (Cape Verde, West Africa, Caribbean)

Description

The spotted sea hare: a large, soft-bodied herbivore with a thin internal shell and ear-like rhinophores. By day it often hides under rocks; it can swim by flapping its parapodia. Since 2002 it has spread quickly across the Mediterranean.

Share link: https://seaslugs.org.il/species/aplysia-dactylomela-australia-indo-pacific-coral-sea/

Identification

Thick body, pale greenish-yellow to olive-brown, covered with many black rings of different sizes. Parapodia free at the rear, with dark marks radiating on their inner surface.

Similar species

Aplysia punctata is smaller and has small dots, not rings. Aplysia depilans has pale blotches and no rings.

Habitat & diet

Habitat

Rocky shores, rock pools and sand with dense algae; mostly very shallow, to ~40 m.

Food

Herbivore: red and green algae (Laurencia, Ulva, Cladophora and others).

In the Mediterranean

  1. 2002First recordLampedusa, Italy
  2. 2026Latest documented recordCroatia, Cyprus, Greece and western Mediterranean
Status
Established throughout the Mediterranean
Route of arrival
Uncertain: via Gibraltar, ballast water or the Suez Canal; Atlantic origin
Sources (3)

This species in other areas (1)

Aplysia dactylomela