Humpback anglerfish (Melanocetus johnsonii) fish species and information / pictures of Humpback anglerfish - Melanocetus johnsonii

Humpback anglerfish (Melanocetus johnsonii) fish species information

Scientific Name
Melanocetus johnsonii

Common Name
Humpback anglerfish

Biology
Dorsal spines (total): 1; Dorsal soft rays (total): 13-17; Anal spines: 0; Anal soft rays: 3 - 5. Esca with compressed posterior and anterior crests; anterior margin of vomer nearly straight; minute skin spines present over most of body (Ref. 13608). Branchiostegal rays 6 (Ref. 36493). Caudal-fin rays 8. Scales are cone-shaped, hollow and translucent; with circular base and a free edge pointing towards the caudal region. Left otolith, oblong shape with regular edges, inner face does not present rostrum, antirostrum or cisure (Ref. 41244).

Classification

Classified By

G?nther, 1864

Class

Ray-finned fishes (Actinopterygii)

Order

Anglerfishes (Lophiiformes)

Family

Black seadevils (Melanocetidae)

Distribution

Region

Tropical to temperate parts of all oceans. South China Sea and East China Sea (Ref.74511).

Distribution

Tropical to temperate parts of all oceans. South China Sea and East China Sea (Ref.74511).

Range

50°N - 50°S, 180°W - 180°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

100 m

Depth To - meters

4500 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 100 - 4500 m (Ref. 74511), usually 100 - 1500 m (Ref. 4118)

Trophic Level

4.07 s.e. 0.69 Based on food items.

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

2.9 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low vulnerability (10 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated