Blackback Anemonefish

Blackback Anemonefish

  Tropical reef fish

Blackback Anemonefish

Identity card

Blackback Anemonefish

Scientific name:
Amphiprion frenatus
Family:
Pomacentridae
Class:
Actinopterygii
Phylum:
Chordata
Year of description:
Brevoort, 1856
IUCN Status:
Least Concern
Distribution:

North-West Pacific and East Asia.

Habitat:

Anemonefish are the only fish that can live in contact with the venomous tentacles of sea anemones.

Size:

It can measure up to 14 cm.

Diet:

The Anemonefish is omnivorous. It likes to eat small crustaceans such as tubifex, artemia, cyclops, or daphnia.

Blackback Anemonefish
 

Every individual is initially male, before growing up and (eventually) turning into a female

Did you know?

The Anemonefish is omnivorous. It likes to eat small crustaceans such as tubifex, artemia, cyclops, or daphnia. In a couple, the female is always larger than the male. 

Where is the animal to be found?

This very colourful fish lives in close proximity to sea anemones. 

How can it be recognised?

The blackback anemonefish is one of the most colourful anemonefishes. Juveniles have two white stripes, whereas adults have only one stripe on their head. It can measure up to 14 cm.

What is distinctive about it?

Anemonefish are the only fish that can live in contact with the venomous tentacles of sea anemones. They provide them with protection from predators.

Tropical reef fish

The Ocean Mag

Browse through our Ocean Mag

In the spotlight

Échouage et sauvetage d’une tortue caouanne à Nausicaá

Une jeune tortue caouanne échouée a été recueillie par les équipes de Nausicaá.

Article

All about... Corals

Discover the special features of coral, in video.

Article

Janvier 2026, entrée en vigueur du traité Haute mer, un tournant pour la gouvernance des océans

Le traité sur la haute mer a atteint 81 ratifications ! Dès le 17 janvier 2026, ce nouvel outil mondial protégera biodiversité et climat des océans.