Fish
Patagonian Grenadier
Macruronus magellanicus · also called Patagonian hoki
Supporting one of the few Southern Ocean-adjacent fisheries to earn international sustainability certification, a Patagonian grenadier swims the deeper water of the continental shelf off Argentina and Chile, a conservation contrast to the overfishing that devastated several notothenioid relatives.
Overview
The Patagonian grenadier, Macruronus magellanicus, is a Least Concern fish native to ocean habitat across the continental shelf off Argentina and Chile. Its status as one of the few sustainably certified Southern Ocean-adjacent fisheries, its elongated grenadier body shape, and its role as prey for larger predators make it one of the more commercially and ecologically significant fish species found anywhere in Patagonian waters.
A fishery that learned from history
Where several notothenioid fisheries collapsed under unchecked exploitation decades ago, the modern Patagonian grenadier fishery has instead been managed carefully enough to earn international sustainability certification, a markedly different outcome for a fish sharing much of the same cold southern ocean.
Status
Least Concern, with populations remaining healthy across the Argentine and Chilean continental shelf, supported by certified sustainable fishery management.
Patagonian Grenadier: common questions
Why is the Patagonian grenadier fishery notable?
This species supports a commercial fishery that has received international sustainability certification, a notable contrast to the historical overfishing that devastated several notothenioid relatives in the Southern Ocean.
How deep does the Patagonian grenadier live?
This species is typically found in deeper water than many shallow-dwelling notothenioid fish, favouring the outer continental shelf and upper slope off Argentina and Chile.
Does the Patagonian grenadier migrate?
Yes, this species undertakes seasonal migrations between different depths, moving in response to breeding cycles and prey availability across the continental shelf.
What does the Patagonian grenadier look like?
This species has an elongated, tapering body shape typical of grenadier fish, quite different from the more compact build of related notothenioid species such as rockcod.