Dusky damselfish (Stegastes adustus) fish species and information / pictures of Dusky damselfish - Stegastes adustus

Dusky damselfish (Stegastes adustus) fish species information

Scientific Name
Stegastes adustus

Common Name
Dusky damselfish

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 14-17; Anal spines: 2; Anal soft rays: 13 - 15. Juveniles are reddish orange above, with small bright blue spots on forehead and dark spots at upper pectoral fin base, dorsal fin, and caudal peduncle; colors disappear as fish grows larger (Ref. 26938). Adults dark gray to blackish with vertical black lines on body; a black spot, sometimes diffuse, at upper base of pectoral fins which are pale; other fins dark (Ref. 13442).

Classification

Classified By
Troschel, 1865
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Damselfishes (Pomacentridae)

Distribution

Region
Western Central Atlantic
Distribution
Western Central Atlantic: Florida, Gulf of Mexico, Caribbean Sea and along the coast of central America to Panama and Venezuela. Also known from the Bahamas and the Antilles.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
3 m
Zone
reef-associated
Environment
Marine; reef-associated; non-migratory; depth range 0 - 3 m (Ref. 7247)
Trophic Level
2.53 s.e. 0.30 Based on diet studies.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
15.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Aquarium: commercial
Vulnerability
Low to moderate vulnerability (26 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated