Priacanthidae

Priacanthidae is a family of marine ray-finned fishes known as bigeyes. Its species typically have very large eyes and reddish coloration.

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Perciformes: A large order of ray-finned fishes that includes many familiar marine groups. Bigeyes were traditionally classified among perch-like fishes, though modern classifications place them within broader percomorph groups.
Priacanthus arenatus: A large bigeye species found in the western Atlantic and commonly called the Atlantic bigeye. It is one of the family’s better-known western Atlantic food fishes.
Pempheridae: A family of small, laterally compressed marine fishes commonly called sweepers. Sweepers are another family of nocturnal, large-eyed reef fishes, but are not bigeyes.
Cookeolus japonicus: A bigeye species found in tropical and subtropical waters of the Indo-Pacific and Atlantic. Its unusually broad distribution stands out among family members.
Ray-finned fishes: The vertebrate class Actinopterygii, whose fins are supported by slender bony rays. Bigeyes belong to this largest living group of vertebrates.
Priacanthus hamrur: A bigeye species widespread in the Indo-Pacific, also known as the moonslicer. Its broad Indo-Pacific range illustrates the family’s tropical distribution.
Holocentridae: A family of nocturnal marine fishes that includes squirrelfishes and soldierfishes. Their large eyes and nighttime habits can resemble bigeyes, despite their separate family identity.
Heteropriacanthus cruentatus: A bigeye species found in tropical seas, often associated with reefs and rocky bottoms. Its distinctive red coloration is a clear example of the family’s common appearance.
Fish eye: A vertebrate visual organ adapted to focusing light underwater. The family’s conspicuously enlarged eyes are its most recognizable feature.
Priacanthus blochii: An Indo-Pacific bigeye species found around reefs and commonly called Bloch’s bigeye. It represents the reef-associated species encountered across the family’s central range.