| Anablepidae | |
|---|---|
 | |
| Four-eyed fish,Anableps sp. | |
Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cyprinodontiformes |
| Superfamily: | Poecilioidea |
| Family: | Anablepidae Bonaparte, 1831[1] |
| Subfamilies | |
See text | |
Anablepidae is a family ofray-finned fishes which live inbrackish andfreshwater habitats from southernMexico to southernSouth America.[2] There are threegenera with sixteenspecies: thefour-eyed fishes (genusAnableps), theonesided livebearers (genusJenynsia) and thewhite-eye,Oxyzygonectes dovii. Fish of this family eat mostlyinsects and otherinvertebrates.
Fish in the subfamilyOxyzygonectinae areovoviviparous. The Anablepinae arelivebearers. They mate on one side only, right-"handed" males with left-"handed" females and vice versa.[3] The male has specialized anal rays which are greatly elongated and fused into a tube called agonopodium associated with the sperm duct which he uses as anintromittent organ to deliver sperm to the female.
The family is divided into two subfamilies and three genera:[4][5][1]
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