| Badis badis | |
|---|---|
 | |
.jpg) | |
| male above, female below | |
Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Anabantiformes |
| Family: | Badidae |
| Genus: | Badis |
| Species: | B. badis |
| Binomial name | |
| Badis badis (F. Hamilton, 1822) | |
| Synonyms[2] | |
Badis badis, also known as theblue perch orblue badis, is a smallspecies of Asian freshwater fish in thefamilyBadidae of theorderAnabantiformes. It is found in ponds, rivers, ditches and swamps in northern India, eastern Pakistan, Bangladesh, Bhutan and Nepal, including theGanges,Brahmaputra,Mahanadi andIndus basins.[1][2][3] It is sometimes kept as anaquarium fish.[1] It is a small, predatory fish that feeds on tiny invertebrates. Maximum total length is around 8 cm (3 in).[4][5] It issexually dimorphic, with males growing larger and more colorful, especially when excited, compared to females. Adult males have blue fins and may display dark vertical bands on the flanks, while the smaller females display little color. Several similar relatives, now recognized as separateBadis species, have historically been confused withBadis badis.[6] Historically the twogenera that now make up the Badidae,Badis andDario, were placed in the familyNandidae; this is no longer the case.[2]
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