Thickhead lanternfish (Hygophum atratum) fish species and information / pictures of Thickhead lanternfish - Hygophum atratum

Thickhead lanternfish (Hygophum atratum) fish species information

Scientific Name
Hygophum atratum

Common Name
Thickhead lanternfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 11-14; Anal spines: 0; Anal soft rays: 18 - 21; Vertebrae: 35 - 37. Branchiostegal rays: 8-9 (Ref. 31442).

Classification

Classified By

Garman, 1899

Class

Ray-finned fishes (Actinopterygii)

Order

Lanternfishes (Myctophiformes)

Family

Lanternfishes (Myctophidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: widely distributed in the area, from 30?N to 30?S. South China Sea (Ref.74511).

Range

30°N - 30°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

600 m

Depth To - meters

3132 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 600 - 3132 m (Ref. 44036)

Trophic Level

3.14 s.e. 0.35 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

6.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5020 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (17 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated