Shiner perch (Cymatogaster aggregata) fish species and information / pictures of Shiner perch - Cymatogaster aggregata

Shiner perch (Cymatogaster aggregata) fish species information

Scientific Name
Cymatogaster aggregata

Common Name
Shiner perch

Biology
Dorsal spines (total): 8 - 11; Dorsal soft rays (total): 19-22; Anal spines: 3; Anal soft rays: 22 - 25; Vertebrae: 33 - 37. Distinguished by the rather deep, compressed body, the large scales, and the three spines in the anal fin (Ref. 27547). Lateral line slightly arched, complete (Ref. 27547). Generally silvery, with back dusky to greenish; middle of sides toward head are scales with groups of fine black dots on them, forming about eight longitudinal stripes; the stripes are often interrupted, especially in females, by three pale yellow, vertical bands; paired fins colorless; dorsal and caudal fins plain or dusky; anal fin usually colorless, sometimes with a yellow blotch toward the front (Ref. 27547). Breeding males may be almost solid black and develop fleshy lobes on both sides of anal fin (Ref. 27547).

Classification

Classified By
Gibbons, 1854
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Surfperches (Embiotocidae)

Distribution

Region
Eastern Pacific
Distribution
Eastern Pacific: Wrangell, southeastern Alaska to Bahia San Quintin, northern Baja California, Mexico.
Range
Unknown

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
146 m
Zone
demersal
Environment
Marine; freshwater; brackish; demersal; non-migratory; depth range ? - 146 m (Ref. 2850)
Trophic Level
2.99 s.e. 0.31 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
True
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
20.3 cm
Common Length
11.5 cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial; gamefish: yes; aquarium: public aquariums; bait: occasionally
Vulnerability
Low vulnerability (17 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tm=1; tmax=9; Fec=3-78)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated