Calico surfperch (Amphistichus koelzi) fish species and information / pictures of Calico surfperch - Amphistichus koelzi

Calico surfperch (Amphistichus koelzi) fish species information

Scientific Name
Amphistichus koelzi

Common Name
Calico surfperch

Biology
Dorsal spines (total): 9 - 11; Dorsal soft rays (total): 24-28; Anal spines: 3; Anal soft rays: 26 - 32. Generally silvery overlaid with brassy tones; back bluish or olivaceous; lower head and lower anterior part of body tinged with red; sides with series of brown speckles which form rough narrow vertical bars; pectorals plain, other fins usually reddish (Ref. 6885).

Classification

Classified By
Hubbs, 1933
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Surfperches (Embiotocidae)

Distribution

Region
Eastern Pacific
Distribution
Eastern Pacific: near Cape Flaterry in Washington, USA to northern Baja California, Mexico. Recorded 32 km from the Canadian border (Ref. 6885).
Range
Unknown

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
9 m
Zone
demersal
Environment
Marine; demersal; depth range 0 - 9 m (Ref. 2850)
Trophic Level
3.37 s.e. 0.54 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
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
31.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Gamefish: yes
Vulnerability
Moderate vulnerability (38 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)