Wedge Sea Slug (Dolabella auricularia)

Wedge Sea Slug (Dolabella auricularia)

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Range: Indo-West Pacific Ocean

Size: 16 inches (40 cm)

Natural Environment: Inhabits intertidal zones where seaweed and seagrass occurs and is usually seen to depths of about 6 to 30 feet (2 - 10 m).

General Husbandry: Occasionally small specimens are seen in the trade and sold as a major herbivore.


Needs a constant supply of algae/nori to continue to do well, and may be a good eliminator of unwanted algae blooms!


Expel an ink cloud when disturbed; yet it's harmless to fishes.



Kingdom: Animalia

Phylum: Mollusca

Class: Gastropoda

Order: Anaspidea

Family: Aplysiidae

Genus: Dolabella



FYI: A valuable herbivore for algae infested aquariums, however, has only a one-year lifespan.


Experience Level: Expert

Diet: Herbivore

Temperament: Peaceful

Aquarium Environment: Reef or fish-only aquarium

Coral Safe: Yes

Fish Safe: Yes

Invertebrate Safe: Yes

Acclimation Time: 30 minutes+

Aquarium Hardiness: Difficult

Temperature Range: 72 - 83°F (22 - 28°C)

Minimum Tank Size: 100 gallons

Lighting: Unaffected by intensity

Water Movement: WM 1 - 2

Specific Gravity: 1.023 - 1.025

pH: 8.0 - 8.4