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Unicolored Sergeant Major (Abudefduf concolor)

Key facts

Scientific name
Abudefduf concolor
Common name
Unicolored Sergeant Major
Category
Fish
Family
Pomacentridae
Genus
Abudefduf
Size
10–18 cm
Depth
2–20 m
IUCN status
Least concern (LC)
Danger level
Harmless
Habitats
coral-reef, rocky-reef
Behaviours
benthic, schooling
Ocean zones
Caribbean, Eastern Pacific

Description

Abudefduf concolor reaches 18 cm. Damselfish (Pomacentridae) Indo-Pacific, Galapagos, East Pacific. Uniform gray-blue, no stripes except pale juveniles. Gregarious, dense schools. Rocky and coral reef 2-20 m. Zooplanktivore. Benthic but mobile. Few threats = LC. Discreet but numerous, filter-feeds on plankton in reef corridors.

Frequently asked questions

How big is the Unicolored Sergeant Major?
Unicolored Sergeant Major (Abudefduf concolor) reaches 10–18 cm in length.
At what depth can you find the Unicolored Sergeant Major?
Unicolored Sergeant Major is found between 2–20 m deep.
Is the Unicolored Sergeant Major dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Unicolored Sergeant Major?
IUCN status: Least concern (LC).
Where can you find the Unicolored Sergeant Major?
Found in: Caribbean, Eastern Pacific.

Other species in the genus Abudefduf

  • Abudefduf luridus - Canary damsel
  • Abudefduf troschelii - Panamic sergeant major
  • Abudefduf saxatilis - Sergeant major (Atlantic)
  • Abudefduf vaigiensis - Indo-Pacific sergeant

Other species in the family Pomacentridae

  • Chromis chromis - Mediterranean damselfish
  • Amphiprion bicinctus - Two-band anemonefish
  • Amphiprion ocellaris - False clownfish
  • Chromis cyanea - Blue chromis
  • Stegastes partitus - Bicolor damselfish
  • Amphiprion akallopisos - Skunk clownfish

Sources

  • Taxonomy: WoRMS (AphiaID 273696)
  • Photos: iNaturalist (CC BY-NC)
  • Distribution: GBIF (taxonKey 2398689)
  • Conservation: IUCN Red List
  • Encyclopedia: Wikipedia