Gadidae
Atlantic cod
Gadus morhua
FISH SPECIES
Food Fish
Explore species with recorded commercial fishing or aquaculture uses, from tuna and cod to tilapia and trout.
FISH ATLAS / FIELD GUIDEFood FishIN THIS CHAPTER01 / Characteristics02 / Lifestyle03 / Species04 / Field notes
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01 / NATURAL HISTORY
Characteristics
Food fishes represent high-protein aquatic resources harvested through wild-capture fisheries and selective aquaculture. Market designations often encompass multiple biological taxa, making binomial scientific names essential for tracking origin, sustainability and nutrition.
- 01Commercial fisheries & farming
- 02High-protein biomass yield
- 03Global culinary importance
02 / LIFESTYLE
Lifestyle
Species harvested for human food occupy radically different trophic levels and marine zones. Epipelagic tuna cruise warm open oceans at sustained high speeds pursuing schooling fish; demersal cod scour cold northern continental shelves for crustaceans; and aquaculture cichlids exploit lower trophic freshwater niches. Their daily movements reflect seasonal feeding aggregations, oceanic currents and distinct reproductive migrations.
OBSERVATION INDEX
- High-speed epipelagic schooling
- Cold shelf demersal foraging
- Spawning aggregations and migration
03 / SPECIES
Representative species
Discover representative species illustrating the ecological diversity, morphologies and adaptations of this group.
Atlantic cod
Clupeidae
Atlantic herring
Clupea harengus
Scombridae
Atlantic mackerel
Scomber scombrus
Cichlidae
Nile tilapia
Oreochromis niloticus
Salmonidae
Rainbow trout
Oncorhynchus mykiss
Scombridae
Yellowfin tuna
Thunnus albacares
04 / FIELD NOTES
A closer look
Why do market names often cause confusion?
Commercial seafood names such as cod, tilapia or salmon frequently lump multiple distinct biological species or genera together. Checking the scientific binomial name ensures precise identification of origin, texture and ecological status.
What differentiates wild-caught from farmed fish?
Wild-caught species depend on natural marine food webs and are regulated through fishery quotas, whereas farmed species are raised under controlled conditions with tailored diets, significantly expanding global protein availability.