Bering cisco (Coregonus laurettae) fish species and information / pictures of Bering cisco - Coregonus laurettae

Bering cisco (Coregonus laurettae) fish species information

Scientific Name
Coregonus laurettae

Common Name
Bering cisco

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 11-13; Anal spines: 0; Anal soft rays: 12 - 14; Vertebrae: 62 - 65. Distinguished by the pale, almost colorless pelvic and pectoral fins and the smaller number of gill rakers on the lower portion of the first gill arch (Ref. 27547). Dorsal rather high and falcate; pelvic fins with axillary process (Ref. 27547). Generally brownish to dark green on back; silvery on lower sides and belly; anal, pelvic and pectoral fins pale; caudal and dorsal fins dusky (Ref. 27547).

Classification

Classified By

Bean, 1881

Class

Ray-finned fishes (Actinopterygii)

Order

Salmons (Salmoniformes)

Family

Salmonids (Salmonidae)

Distribution

Region

North America

Distribution

North America: Alaska. May occur in Chukotsk and Kamchatka regions of Siberia.

Range

69°N - 58°N

Environment

Climate

Polar

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic-neritic

Environment

Marine; freshwater; brackish; pelagic-neritic; anadromous (Ref. 51243)

Trophic Level

3.79 s.e. 0.59 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

36.0 cm

Common Length

30.0 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: subsistence fisheries

Vulnerability

Moderate to high vulnerability (50 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated