Warty comb jelly, scourge of fisheries, also eats its young

Researchers say cannibalistic tendency may help explain why the invasive creatures thrive

When the going gets tough, most parents try to protect their offspring. But the warty comb jelly takes a different tack: it eats them.

Despite initial appearances, comb jellies are not jellyfish but belong to a different group of animals, ctenophora, which swim using tiny hair-like projections called cilia.