Abudefduf

Abudefduf is a genus of fish belonging to the family Pomacentridae, commonly known as damselfishes. They are found in tropical and subtropical waters of the Atlantic, Indian, and Pacific Oceans. These small, brightly colored fish inhabit coral reefs, rocky shores, and seagrass beds. They are generally omnivorous, feeding on algae, invertebrates, and plankton.

Bengal sergeant – Abudefduf bengalensis

Panamic sergeant major – Abudefduf troschelii

Blackspot sergeant – Abudefduf sordidus

African sergeant – Abudefduf hoefleri

Whitley’s sergeant – Abudefduf whitleyi

Black-tail sergeant – Abudefduf lorenzi

False-eye sergeant – Abudefduf sparoides

Green damselfish – Abudefduf abdominalis

Yellowtail sergeant – Abudefduf notatus

Night sergeant – Abudefduf taurus

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Common Names

Common names for fish belonging to this genus include:

  • Sergeant majors
  • Damselfishes
  • Chromis

Characteristics

Abudefduf species are characterized by their:

  • Small size, typically ranging from 10 to 20 centimeters in length
  • Elongated, compressed body shape
  • Brightly colored scales, often with stripes or spots
  • Small mouth with numerous small teeth
  • Single dorsal fin with 12 to 14 spines
  • Two anal fins

Environments

These fish are commonly found in:

  • Coral reefs
  • Rocky shores
  • Seagrass beds
  • Lagoons
  • Estuaries

They are typically found in shallow, clear waters with abundant vegetation and hiding places.

References

For further information on Abudefduf, refer to: