Crested bigscale (Poromitra crassiceps)

Scientific name: Poromitra crassiceps G?nther, 1878

The Crested bigscale (Poromitra crassiceps) is a marine fish of the family Melamphaidae.

Biology

Oviparous, with planktonic eggs and larvae. There is significant morphological variation between populations.

Source: FishBase, licensed CC BY-NC 4.0.

Scientific name: Poromitra crassiceps
Family: Melamphaidae (Bigscale fishes or ridgeheads)
Order: Stephanoberyciformes (Pricklefishes, Bigscales and Gibberfishes)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 14.8
Depth range: 164–2730 m (538–8957 ft)
Environment: Marine; bathypelagic; depth range 164 - 2730 m, usually 750 - 2730 m
Climate: Tropical
Distribution: Limited to tropical part of the Atlantic Ocean, and distribution needs to be defined. Formerly assigned as senior synonym of eight nominal species: P. atlantica, P. coronata, P. cristiceps, P. frontosa, P. nigriceps, P. nigrofulva, P. rugosa, P. unicornis.
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 (tmax=8.5)

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

Last updated 27 September 2026