Black Southern Cod
NameBlack Southern Cod
Scientific NamePatagonotothen tessellata
Common NamesBlack Southern Cod, Tessellated Notothen
FamilyNototheniidae
OriginSouthern Ocean, Patagonia, Chile, Argentina, Falkland Islands
Temperamentsemi-aggressive
Dietcarnivore
Care Levelexpert
Minimum Tank Size (Gallons)120
Max Size (Inches)12
Water TypeSaltwater
Temperature Range (°F)35-55
pH Range7.8-8.4
Compatible SpeciesOther robust coldwater marine fish, Coldwater blennies, Coldwater gobies
Description
The Black Southern Cod (*Patagonotothen tessellata*) is a coldwater marine fish native to the Southern Ocean around Patagonia. It is characterized by its mottled brown and tan coloration, allowing it to camouflage among kelp and rocky substrates. This predatory species feeds on small invertebrates and fish, requiring specialized coldwater aquarium setups.
