Gonostomatidae

Deep-water bristlemouth

Cyclothone atraria

• Black
• Cross-climate
• Subtropical
• Temperate
• Northern Hemisphere
• Regional distribution
• Marine fish
• Pacific Ocean
• East Asia
• Elongated
• Small

Cyclothone atraria, commonly known as the deep-water bristlemouth, is a species of ray-finned fish in the genus Cyclothone. It is found in the North Pacific and is considered to be a part of the most abundant fish genus. Like other species in Cyclothone, the micronektonic fish spends all its life in the deeper depths of water.