Black southern cod (Patagonotothen tessellata) fish species and information / pictures of Black southern cod - Patagonotothen tessellata

Black southern cod (Patagonotothen tessellata) fish species information

Scientific Name
Patagonotothen tessellata

Common Name
Black southern cod

Biology
Dorsal spines (total): 5; Dorsal soft rays (total): 32; Anal spines: 0; Anal soft rays: 30. Scale on lateral line 43 (upper), 8 (lower). Caudal fin subtruncate. Body brownish above and paler below, with irregular broad dark blotches on body. First dorsal fin with a black spot covering greater part of it. First dorsal and caudal fins variegated with series of small dark spots (Ref. 27363).

Classification

Classified By
Richardson, 1845
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Cod icefishes (Nototheniidae)

Distribution

Region
Southeast Pacific and Southwest Atlantic
Distribution
Southeast Pacific and Southwest Atlantic: Chilean and Argentine Patagonia.
Range
Unknown

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
benthopelagic
Environment
Marine; benthopelagic
Trophic Level
3.67 s.e. 0.55 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
28.0 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:
Vulnerability
Low to moderate vulnerability (34 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 7,634)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated