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

Description

It maximum length is . It has 16–18 dorsal

soft ray Fish anatomy is the study of the form or morphology of fish. It can be contrasted with fish physiology, which is the study of how the component parts of fish function together in the living fish. In practice, fish anatomy and fish physiology co ...

s and 13–15 anal soft rays. Males have a

supracaudal gland A Rhodesian Ridgeback (sex unknown) with "stud tail": the violet gland lost hair and appears as a dark dimple The violet gland or supracaudal gland is a gland located on the upper surface of the tail of certain mammals, including European badgers ...

, while females have an infracaudal luminous gland made of two heart-shaped scales, flanked by smaller, triangular luminous scales. It has photophores and a

lateral line The lateral line, also called the lateral line organ (LLO), is a system of sensory organs found in fish, used to detect movement, vibration, and pressure gradients in the surrounding water. The sensory ability is achieved via modified epithelial ...

Habitat

Cocco's lantern fish is

bathypelagic The bathypelagic zone or bathyal zone (from Greek βαθύς (bathýs), deep) is the part of the open ocean that extends from a depth of below the ocean surface. It lies between the mesopelagic above, and the abyssopelagic below. The bathypelagic ...

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

Behaviour

Cocco's lantern fish are

oviparous Oviparous animals are animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, most reptiles, and all pterosaurs, dinosaurs (including birds), and ...

, with planktonic eggs and larvae.

References

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