Heteropriacanthus

Heteropriacanthus, the glasseyes or glass bigeyes, are a genus of the bigeye family found in all tropical seas around the world. It occasionally makes its way into the aquarium trade. It grows to a size of in total length.
The glasseyes has been classified in a single species, "Heteropriacanthus cruentatus", but recent morphological and genetic analysis indicates that glasseyes may be better divided into three species: "Heteropriacanthus cruentatus" (Atlantic Ocean and southwest Indian Ocean), "H. fulgens" (northeastern Atlantic), and "H. carolinus" (Indo-Pacific).