Chilean Jack Mackerel
Trachurus murphyi
Also known as: Inca Scad, Jack Mackerel, Slender Mackerel, Oceanic Peruvian Jack Mackerel, Peruvian Jack Mackerel
About This Species
This schooling pelagic fish moves in large offshore aggregations along the southeast Pacific coast, following cooler upwelling currents where it feeds on plankton and small fish, and is rarely seen without specialised fishing or diving access to open water. Its silvery, torpedo-shaped body and forked tail are typical of jack mackerel, and shoals are most detectable from research surveys or commercial fishing activity rather than casual shore-based observation. There is no meaningful shore-viewing season, since its presence and movements are tied to offshore oceanographic conditions rather than a coastal wildlife-watching pattern.
Ethical Viewing Guidelines
- As a data-deficient species subject to commercial fishing pressure across the southeast Pacific, any interaction is far more likely to happen through fisheries than direct wildlife viewing, and catch limits and gear restrictions vary by country and are set through regional fisheries management bodies rather than a single law.
- Because population status is genuinely uncertain, the cautious approach is to treat any encounter, including bycatch, with the same care as a species of conservation concern rather than assuming abundance.
- There is no standard viewing-distance guidance for this species, since it is not typically observed at close range by the public.
Seasonal Activity
633,016 sightings · 2000–2026
Citizen science records via GBIF
Classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Order
- Perciformes
- Family
- Carangidae
Photo
(c) Clinton Duffy, some rights reserved (CC BY-NC), uploaded by Clinton Duffy
CC-BY-NC-4.0
Occurrence data from GBIF.