Atlantic Mackerel The Atlantic Mackerel migrates through Faxaflói Bay, forming dense schools that are targeted by both fishermen and predators. Image Key Facts Scientific Name Scomber scrombus Family Scombridae IUCN Status Least Concern Length 30-40 cm Weight 0.5-2 kg Depth Range Diet Small Fish, Crustaceans, Polychaetes Lifespan Up to 20 years Predators Seals, Tuna, Dolphins, Whales & Sharks