An overview the different species of fish in the North Sea: pelagic and demersal fish.
North Sea - WorldAtlas
Types of fish in the North Sea - Preserving the North Sea
Coastal fish - Wikipedia
Disentangling the effects of fishing and temperature to explain increasing fish species richness in the North Sea
Pacific Cod NOAA Fisheries
North Sea - Wikipedia
Cod - Wikipedia
Types of fish in the North Sea - Preserving the North Sea
North-West Atlantic Shellfish Poster – Unique chart
Ocean Fishes - Oceana
Monkfish NOAA Fisheries
Types of fish in the North Sea - Preserving the North Sea