Foureyes (Anableps microlepis) fish species and information / pictures of Foureyes - Anableps microlepis

Foureyes (Anableps microlepis) fish species information

Scientific Name
Anableps microlepis

Common Name
Foureyes

Biology
Gregarious but occurs in more restricted schools of about a dozen individuals. May occur singly or as a couple (Ref. 35237). Mainly found in freshwater (Ref. 9589) and brackish estuaries near river mouths (Ref. 5217). Occasionally marketed in the aquarium trade (Ref. 9589). Used in eye research because of its divided cornea which projects two images on the retina (Ref. 35237).

Classification

Classified By
M?ller & Troschel, 1844
Class
Ray-finned fishes (Actinopterygii)
Order
Live bearers, Killifishes and Rivulines (Cyprinodontiformes)
Family
Four-eyed fishes, onesided livebearers & white-eye (Anablepidae)

Distribution

Region
Central and South America
Distribution
Central and South America: Trinidad and Venezuela to the Amazon delta in Brazil.
Range
13°N - 35°S

Environment

Climate
Tropical
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; non-migratory
Trophic Level
2.81 s.e. 0.34 Based on size and trophs of closest relatives
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
32.0 cm
Common Length
15.0 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
Fisheries: subsistence fisheries; aquarium: commercial
Vulnerability
Low to moderate vulnerability (33 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
  Not Evaluated