Lampris is a noun that refers to any of the deep-sea fishes of the genus Lampris in the family Lampridae. These fishes are commonly known as opahs or moonfishes. They are characterized by their laterally compressed bodies, large pectoral fins, and unique coloration.
Opahs are typically found in various oceans around the world, particularly in tropical to temperate waters. They are renowned for their vivid and striking appearance, often featuring metallic hues such as brilliant blues, purples, and silvers. This coloration is due to their specialized skin structure, which contains reflective crystals that allow them to appear iridescent underwater.
In terms of morphology, lampris species possess a single dorsal fin located on their backs, and their bodies are covered in small, cycloid scales. They have exceptionally large eyes, reflective of their deep-sea habitat, and a relatively small mouth lined with tiny teeth. Opahs are carnivorous in nature, feeding on a diet consisting of squid, fish, and crustaceans.
These fish are highly regarded by commercial and sport fishermen due to their substantial size and meat quality. Opahs are popular targets in some fisheries, both for their meat, which is often described as firm, flavorful, and rich, and for their aesthetically pleasing appearance. Lampris species are also observed in marine research, as their unique physiological characteristics, such as specialized gill structures, make them intriguing subjects for scientific study.
