Emery's gregory (Stegastes emeryi) fish species and information / pictures of Emery's gregory - Stegastes emeryi

Emery's gregory (Stegastes emeryi) fish species information

Scientific Name
Stegastes emeryi

Common Name
Emery's gregory

Biology
Dorsal spines (total): 13; Dorsal soft rays (total): 15-17; Anal spines: 2; Anal soft rays: 13 - 14. Most of the body and head is brown, grading to pale tan or off-white on ventral portion; slight suffusion of yellow on head and nape; dark brown streak near margin of each scale, appearing as series of narrow transverse bands. A prominent dark brown to blackish spot occupying four scales is below the 15-16th tubed lateral line scale. The fins, most of soft dorsal, caudal peduncle and posteriormost part of body yellow; pectorals transparent with suffusion of yellow and a small dark brown spot superiorly at pectoral fin base. The rim of the anal opening is dark brown.

Classification

Classified By
Allen & Randall, 1974
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Damselfishes (Pomacentridae)

Distribution

Region
Eastern Central Pacific
Distribution
Eastern Central Pacific: Pitcairn and Tuamoto Islands.
Range
10°S - 27°S

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
18 m
Zone
reef-associated
Environment
Marine; reef-associated; non-migratory; depth range 1 - 18 m (Ref. 9710)
Trophic Level
2.24 s.e. 0.02 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
10.0 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 vulnerability (21 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