Black swallower (Chiasmodon niger)

Scientific name: Chiasmodon niger Johnson, 1864

Black swallower (Chiasmodon niger)

The Black swallower (Chiasmodon niger) is a marine fish of the family Chiasmodontidae. Native range: North Atlantic, tropical and temperate; including Gulf of Mexico, from 95?W to 5?E, 46?N to 5?S. Southwestern Atlantic: Argentina.

Biology

Vertebrae: 43 - 44. This species is distinguished from its congeners by a set of characteristics: from C. braueri by the teeth on second ceratobranchial absent and supraorbital canal pores 7; from C. harteli by total vertebrae 43-45, supraorbital canal pores 7; from C. microcephalus by teeth on basibranchials well developed, 3-18, always present on second basibranchial and often on third basibranchial and second hypobranchial; from C. pluriradiatus and C. asper, by pectoral-fin rays 13-14, tiny dermal spinules on body of specimens larger than 45.0 mm absent, fang in premaxillary head 1, and supraorbital pores 7 and from C. pluriradiatus by lateral-line pores 86-93; from C. subniger, by teeth on second basibranchial present, infraorbital pores 14

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Chiasmodon niger
Family
Chiasmodontidae (Snaketooth fishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
25.0
Depth range
700–2745 m (2297–9006 ft)
Environment
Marine; pelagic-oceanic; depth range 700 - 2745 m, usually 750 - ? m
Climate
Deep-water
Distribution
North Atlantic: tropical and temperate; including Gulf of Mexico, from 95?W to 5?E, 46?N to 5?S. Southwestern Atlantic: Argentina.
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 (Preliminary K or Fecundity.)

Sources

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

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