Veiled anglemouth (Cyclothone microdon)

Scientific name: Cyclothone microdon G?nther, 1878

The Veiled anglemouth (Cyclothone microdon) is a marine fish of the family Gonostomatidae.

Biology

An oceanic, deep mesopelagic to bathypelagic species. Precise depth range dependent upon developmental stage, latitude, season. Doest not exhibit diel vertical migrations. A non-seasonal breeder with no recognizable age-cohorts. Feeds mainly on copepods.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Cyclothone microdon
Family: Gonostomatidae (Bristlemouths)
Order: Stomiiformes (Lightfishes and Dragonfishes)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 7.6
Depth range: 200–5301 m (656–17392 ft)
Environment: Marine; bathypelagic; depth range 200 - 5301 m, usually 500 - 2700 m
Climate: Deep-water
Distribution: Widely distributed in all Atlantic, tropical and austral Indian and Pacific Oceans. Southern Ocean: probably circum-Antarctic between the Antarctic Polar Front and the Antarctic continental shelf.
Conservation status (IUCN): Not Evaluated
Threat to humans: Harmless
Uses: Fisheries: of no interest
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm>1; Fec=2,000-10,000)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

Last updated 27 September 2026