Astronesthes cyclophotus

Astronesthes cyclophotus Regan and Trewavas, 1929

Languages: English

Overview

Biology

This taxon is a possible synonym of Astronesthes neopogon Regan & Trewavas 1929.

Author(s): Kenaley, Christopher
Rights holder(s): Kenaley, Christopher

Description

Serial photophores in lateral row (OA) 32–35, of which 17–20 behind pelvic-fin insertion; 55–57 photophores in ventral row to tail (IC); ventral row straight between pectoral fin bases. Barbel tip widened, flat. Dorsal-fin rays 13–16.

Color of head and body black; all known specimens small; pale patches unknown.

Author(s): Kenaley, Christopher
Rights holder(s): Kenaley, Christopher

Type Information

Type locality

Largest known specimen less than 30 mm.

Author(s): Kenaley, Christopher
Rights holder(s): Kenaley, Christopher

Synonymy

Data on Catalog of Fishes

View data on Catalog of Fishes here.

Author(s): Kenaley, Christopher
Rights holder(s): Kenaley, Christopher

Description

Morphology

Body not especieally elongate, its depth 4–8 times in SL. Enlarged teeth present in jaws as fangs; maxilla with a series of small, comb-like teeth pointing posteroventrally; gill argches bearing groups of short spines rather than rakers; postorbital light organ single. Dorsal-fin origin less than 60% SL, slignthly posterior to pelvic-fin insertion; dorsal adipose fin present.

Author(s): Kenaley, Christopher
Rights holder(s): Kenaley, Christopher

Size

Largest known specimen less than 30 mm.

Author(s): Kenaley, Christopher
Rights holder(s): Kenaley, Christopher

Ecology and Distribution

Distribution

In the eastern Atlantic between 26–33° and 21° and 23° W; in the western Atlantic between 30–32° N, between 48° and 58° W.

Author(s): Kenaley, Christopher
Rights holder(s): Kenaley, Christopher

Habitat

Mesopelagic, probably migrating to the epipelagic at night.

Author(s): Kenaley, Christopher
Rights holder(s): Kenaley, Christopher

References

Main Reference

Gibbs RH, Jr. 1984. Astronesthidae. In: Whitehead PJP, Bauchot M-L, Hureau J-C, Nielsen J, Tortonese E, editors. Fishes of the North-eastern Atlantic and the Mediterranean. Paris: UNESCO. p 325–335.

Author(s): Kenaley, Christopher
Rights holder(s): Kenaley, Christopher