Atheriniformes

Silversides
Temporal range:
Boeseman's rainbowfish, Melanotaenia boesemani, red variety
Atlantic silverside, Menidia menidia
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
(unranked): Atherinomorpha
Order: Atheriniformes
D. E. Rosen, 1966
Type species
Atherina hepsetus
Linnaeus, 1758
Suborders

The Atheriniformes, also known as the silversides, are an order of ray-finned fishes that includes the Old & New World silversides, the rainbowfishes, and several less-familiar families, including the unusual Phallostethidae. The order includes at least 354 species. They are found worldwide in tropical and temperate marine and freshwater environments.