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Longtail southern cod (Patagonotothen ramsayi) fish species and information / pictures of Longtail southern cod - Patagonotothen ramsayi

Longtail southern cod (Patagonotothen ramsayi) fish species information

Scientific Name
Patagonotothen ramsayi

Common Name
Longtail southern cod

Biology
Dorsal spines (total): 7; Dorsal soft rays (total): 32-35; Anal spines: 0; Anal soft rays: 32 - 34; Vertebrae: 51 - 52. Lateral line scales 49-54 (upper), 11-17 (lower). Caudal fin rounded (Ref. 27363).

Classification

Classified By

Regan, 1913

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cod icefishes (Nototheniidae)

Distribution

Region

Southwest Atlantic

Distribution

Southwest Atlantic: restricted to the Patagonian shelf.

Range

36°S - 56°S, 69°W - 54°W

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

50 m

Depth To - meters

500 m

Zone

benthopelagic

Environment

Marine; benthopelagic; depth range 50 - 500 m (Ref. 27363)

Trophic Level

3.49 s.e. 0.50 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

44.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5001 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial

Vulnerability

Moderate vulnerability (36 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.22-0.35; assuming fec

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated