Magellanic rockcod (Paranotothenia magellanica)

Scientific name: Paranotothenia magellanica Forster, 1801

Magellanic rockcod (Paranotothenia magellanica)

The Magellanic rockcod (Paranotothenia magellanica) is a marine fish of the family Nototheniidae.

Biology

Dorsal spines (total): 3 - 6; Dorsal soft rays (total): 28-31; Anal soft rays: 22 - 25. Greyish olive above, yellowish below. Pug-nosed snout, well developed supraoccipital crest, highly sculptured cranial bones. Short jaw, the maxillary not reaching the orbit, and adults with pelagic coloration as well as large epurals. Upper lateral line with 36-48 tubular scales, total number of scales in upper and middle lateral lines 45-57; caudal peduncle longer than deep, 37.0-45.5% HL; preoperculo-mandibular canal not connected with the temporal canal; dorsal surface of head without prominent ridges; pelvic length much shorter than pectorals.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Paranotothenia magellanica
Family
Nototheniidae (Cod icefishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
38.0
Depth range
0–255 m (0–837 ft)
Environment
Marine; pelagic-oceanic; depth range 0 - 255 m, usually 0 - 20 m
Climate
Temperate
Distribution
Southern Ocean: southern tip of South America. Also found in Falkland, South Georgia, South Orkney, South Shetland, Prince Edward, Crozet, Kerguelen, Heard and Macquarie islands, southern New Zealand and associated islands, rarely in the Ross Sea. New Zealand and Argentina (Patagonia)
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: commercial
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.26)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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