Cocco's lantern fish (''Lobianchia gemellarii''), also called Gemellar's lanternfish, is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

lanternfish Lanternfishes (or myctophids, from the Greek μυκτήρ ''myktḗr'', "nose" and ''ophis'', "serpent") are small mesopelagic fish of the large family Myctophidae. One of two families in the order Myctophiformes, the Myctophidae are represent ...

Description

It maximum length is . It has 16–18 dorsal soft rays and 13–15 anal soft rays. Males have a supracaudal gland, while females have an infracaudal luminous gland made of two heart-shaped scales, flanked by smaller, triangular luminous scales. It has

photophore A photophore is a glandular organ that appears as luminous spots on various marine animals, including fish and cephalopods. The organ can be simple, or as complex as the human eye; equipped with lenses, shutters, color filters and reflectors, ...

s and a lateral line.

Habitat

Cocco's lantern fish is bathypelagic and

oceanodromous Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging from daily to annually or longer, and over distances ranging from a few metres to thousa ...

, living at depths of in non-polar seas worldwide.

Behaviour

Cocco's lantern fish are oviparous, with planktonic eggs and larvae.

References

Myctophidae Fish described in 1838 Taxa named by Anastasio Cocco {{Myctophiformes-stub