Thickbeard grenadier (Coryphaenoides zaniophorus)

Scientific name: Coryphaenoides zaniophorus Vaillant, 1888

The Thickbeard grenadier (Coryphaenoides zaniophorus) is a marine fish of the family Macrouridae. Native range: Central Atlantic, Western Central Atlantic: off Chesapeake Bay, Gulf of Mexico, and the Caribbean. Eastern Central Atlantic: Mauritania to C?te d'Ivoire.

Biology

Dorsal spines (total): 2; Anal spines: 0. Head large, completely scaled, including the ventral surfaces of the snout; snout short, narrow, with stout scutes at its tip and lateral angles; mouth small, restricted laterally. Scales with numerous (over 100 in large specimens) short, stout spinules arranged in V-shaped rows. Pyloric caeca short, 10 to 15. Overall color is medium to dark brown; fins generally blackish.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Coryphaenoides zaniophorus
Family: Macrouridae (Grenadiers or rattails)
Order: Gadiformes (Cods)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 40.0
Depth range: 400–2375 m (1312–7792 ft)
Environment: Marine; bathydemersal; non-migratory; depth range 400 - 2375 m
Climate: Deep-water
Distribution: Central Atlantic: Western Central Atlantic: off Chesapeake Bay, Gulf of Mexico, and the Caribbean. Eastern Central Atlantic: Mauritania to C?te d'Ivoire.
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.

Last updated 27 September 2026