How big is the Longfin damselfish?

Longfin damselfish (Stegastes diencaeus) reaches 8–13 cm in length.

At what depth can you find the Longfin damselfish?

Longfin damselfish is found between 1–15 m deep.

What is the conservation status of the Longfin damselfish?

IUCN status: Least concern (LC).

Where can you find the Longfin damselfish?

Found in: Caribbean, Eastern Pacific.

Longfin damselfish (Stegastes diencaeus)

Key facts

Scientific name: Stegastes diencaeus
Common name: Longfin damselfish
Category: Fish
Family: Pomacentridae
Genus: Stegastes
Size: 8–13 cm
Depth: 1–15 m
IUCN status: Least concern (LC)
Danger level: Harmless
Habitats: reef
Behaviours: solitary, territorial
Ocean zones: Caribbean, Eastern Pacific

Description

Stegastes diencaeus reaches 13 cm. Adults uniform olive-brown with a paler tail, often with yellow reflections on flanks. Spectacular juveniles: front half vivid yellow, rear half purple with a yellow blue-edged ocellus on the dorsal fin. Territorial, also farms an algal garden like S. adustus. Lives on Caribbean coral reefs from 1 to 15 m. Sometimes charges passing divers.

Photo of Longfin damselfish

Frequently asked questions

How big is the Longfin damselfish?: Longfin damselfish (Stegastes diencaeus) reaches 8–13 cm in length.
At what depth can you find the Longfin damselfish?: Longfin damselfish is found between 1–15 m deep.
Is the Longfin damselfish dangerous to divers?: Danger level: Harmless.
What is the conservation status of the Longfin damselfish?: IUCN status: Least concern (LC).
Where can you find the Longfin damselfish?: Found in: Caribbean, Eastern Pacific.

Other species in the genus Stegastes

Other species in the family Pomacentridae

Sources

Taxonomy: WoRMS (AphiaID 276666)
Photos: iNaturalist (CC BY-NC)
Distribution: GBIF (taxonKey 2398786)
Conservation: IUCN Red List
Encyclopedia: Wikipedia