Peamouth (Mylocheilus caurinus) fish species and information / pictures of Peamouth - Mylocheilus caurinus

Peamouth (Mylocheilus caurinus) fish species information

Scientific Name
Mylocheilus caurinus

Common Name
Peamouth

Biology
Adults form schools in lakes and slow-flowing areas of small and medium rivers. Most common around vegetation. Can withstand brackish waters for a limited period (Ref. 1998). Newly hatched individuals school near the shore, moving into deeper water in the summer (Ref. 4569). Feed mainly on aquatic insects and its larvae and some terrestrial insects (Ref. 10288); but also on planktonic crustaceans, mollusks, and small fishes (Ref. 1998). Preyed upon by fish-eating birds and mammals (Ref. 1998). Utilized as game fish and as food in the past (Ref. 1998).

Classification

Classified By
Richardson, 1836
Class
Ray-finned fishes (Actinopterygii)
Order
Carps (Cypriniformes)
Family
Minnows or carps (Cyprinidae)

Distribution

Region
North America
Distribution
North America: Nass (Pacific Slope) and Peace River (Arctic basin) systems in British Columbia, Canada south to Columbia River drainage in Oregon and Idaho, USA; also in Vancouver, Canada and other coastal Islands. Sometimes occurs at Spanish Banks (Ref. 4569).
Range
59°N - 40°N

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; brackish; demersal
Trophic Level
3.54 s.e. 0.49 Based on food items.
Occurs in Marine / Salt water
False
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
36.0 cm
Common Length
22.5 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
Aquarium: public aquariums
Vulnerability
Moderate to high vulnerability (47 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tm=4)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated