Scientific Name
Nansenia candida

Common Name
Bluethroat argentine

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 9-12; Anal spines: 0; Anal soft rays: 8 - 10; Vertebrae: 44 - 47. Adipose fin small and sickle-shaped; pectorals small. Preserved specimens dark brown on body and head, lighter below, bluish on nape, preopercle, and throat, fins clear, eye silvery (Ref. 6885). Branchiostegal rays 3. Pyloric caeca 7-9 (Ref. 5123).

Classification

Classified By

Cohen, 1958

Class

Ray-finned fishes (Actinopterygii)

Order

Smelts (Osmeriformes)

Family

Pencil smelts (Microstomatidae)

Distribution

Region

Northeast Pacific

Distribution

Northeast Pacific: Gulf of Alaska to southern California, USA (Ref. 35612); including Japan (Ref. 43939).

Range

60°N - 30°N

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

1000 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; depth range 0 - 1000 m (Ref. 50610)

Trophic Level

3.34 s.e. 0.38 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

22.2 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 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 (17 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated