Nordenskjold's bigscale (Sio nordenskjoldii) fish species and information / pictures of Nordenskjold's bigscale - Sio nordenskjoldii

Nordenskjold's bigscale (Sio nordenskjoldii) fish species information

Scientific Name
Sio nordenskjoldii

Common Name
Nordenskjold's bigscale

Biology
Dorsal spines (total): 3; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 8 - 9

Classification

Classified By

L?nnberg, 1905

Class

Ray-finned fishes (Actinopterygii)

Order

Pricklefishes, Bigscales and Gibberfishes (Stephanoberyciformes)

Family

Bigscale fishes or ridgeheads (Melamphaidae)

Distribution

Region

Atlantic, Indian and Pacific

Distribution

Atlantic, Indian and Pacific: south of 20?S. A single specimen was recorded from the Eastern Central Pacific (Ref. 5189). Record from the North Pacific (Moss, 1962) is in error (Ref. 51657).

Range

20°S - 68°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

200 m

Depth To - meters

3000 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 200 - 3000 m (Ref. 51657)

Trophic Level

3.52 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

12.3 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Low vulnerability (10 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated