Catching fish is called” angling.” Some kinds of fish really do “angle” for other fish. Anglerfish have spiny threads that stick out from the fins on the backs of their heads.
These threads look like fishing lines. A bit of flesh at the tip of the “line” looks like a worm to other fish. When these fish come near it, the anglerfish catches them in its big, wide mouth.
Anglerfish can swallow a fish as large as they are because their stomachs will stretch. There are many kinds of anglerfish. Some grow to be 5 feet (1.5m) long. Many anglerfish live in the shallow waters around Europe and North America.
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