Longjaw bigscale (Scopeloberyx robustus) fish species and information / pictures of Longjaw bigscale - Scopeloberyx robustus

Longjaw bigscale (Scopeloberyx robustus) fish species information

Scientific Name
Scopeloberyx robustus

Common Name
Longjaw bigscale

Biology
Mesopelagic and bathypelagic at 340-1200 m depth (Ref. 36665). Oviparous, with planktonic eggs and larvae (Ref. 36655). Significant morphological variation between Indo-Pacific and other populations.

Classification

Classified By

G?nther, 1887

Class

Ray-finned fishes (Actinopterygii)

Order

Pricklefishes, Bigscales and Gibberfishes (Stephanoberyciformes)

Family

Bigscale fishes or ridgeheads (Melamphaidae)

Distribution

Region

Circumglobal

Distribution

Circumglobal: In tropical to temperate waters; except Arctic Ocean and Mediterranean Sea. Eastern Atlantic: Gulf of Guinea and west of the Canary Islands. Eastern Pacific: California Current region (Ref. 36655). Western Pacific: Kuril Island (Ref. 52443). South China Sea (Ref.74511).

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

4740 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 0 - 4740 m (Ref. 58018), usually ? - 500 m (Ref. 36655)

Trophic Level

3.1 s.e. 0.30 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

7.3 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

Fisheries: of no interest

Vulnerability

Low vulnerability (10 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated