Mexican nightsergeant (Abudefduf declivifrons) fish species and information / pictures of Mexican nightsergeant - Abudefduf declivifrons

Mexican nightsergeant (Abudefduf declivifrons) fish species information

Scientific Name
Abudefduf declivifrons

Common Name
Mexican nightsergeant

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 12-13; Anal spines: 2; Anal soft rays: 10. Body gray with 4-5 narrow whitish bars. The suborbital often separated from preopercle; it is clearly demarcated by free lower edge, but sometimes partly attached to cheek with its lower border obscured by scales.

Classification

Classified By
Gill, 1862
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Damselfishes (Pomacentridae)

Distribution

Region
Eastern Pacific
Distribution
Eastern Pacific: Gulf of California to Acapulco, Mexico.
Range
27°N - 6°N, 114°W - 78°W

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
5 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 1 - 5 m (Ref. 11482)
Trophic Level
2.73 s.e. 0.33 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
18.0 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
Unknown
Vulnerability
Low to moderate vulnerability (35 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)