A harmful algal bloom of Karenia mikimotoi made dozens of surfers sick and killed seadragons, fish and octopuses on two South ...

Researchers have documented the northernmost record of the highly invasive silver-cheeked toadfish, Lagocephalus sceleratus, ...

For decades, the coelacanthexisted only in fossil records—until one turned up in a South African fishing net. It was 1938 ...

A hidden ecosystem of giant sea spiders, octopuses, and other stunning sea creatures shows how life can flourish even when sealed off from the surface by a thick layer of ice.

Anglers set their fishing lines off the coast of El Salvador and waited. When they eventually hauled in their catch, they realized they’d snagged a “rare” 3-foot-wide sea creature. It turned out to be ...

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