Thorny tinselfish (Grammicolepis brachiusculus) fish species and information / pictures of Thorny tinselfish - Grammicolepis brachiusculus

Thorny tinselfish (Grammicolepis brachiusculus) fish species information

Scientific Name
Grammicolepis brachiusculus

Common Name
Thorny tinselfish

Biology
Dorsal spines : 6 - 7; Dorsal soft rays : 32-34; Anal spines: 2; Anal soft rays: 33 - 35. Body silvery in color; young with irregular black blotches on body, black spots on caudal fin, and 5 black bars on anal fin. Gill rakers rudimentary.

Classification

Classified By

Poey, 1873

Class

Ray-finned fishes (Actinopterygii)

Order

Dories (Zeiformes)

Family

Grammicolepidids (Grammicolepididae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: Spain to the Gulf of Guinea and southward to Durban, South Africa. Western Atlantic: Georges Bank to off Suriname. North Pacific: Japan and Hawaii.

Range

42°N - 37°S, 80°W - 154°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

400 m

Depth To - meters

1026 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 400 - 1026 m , usually 500 - 700 m

Trophic Level

4.28 s.e. 0.68 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

64.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.1250 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

Moderate to high vulnerability (48 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Assuming tmax > 10)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated