What Is the Name of the Giant Water Bugs That Look Like Roaches?


Quick Answer

Predaceous diving beetles, or water tigers, are a family of water beetles known for their shiny black, streamlined bodies, flattened hind legs and threadlike antennae. Water tigers are also commonly brown or olive, and some species may have yellow spots.

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Full Answer

Water tigers belong to the family Dytiscidae and are aggressive aquatic predators capable of reaching more than an inch in length. Other aquatic insects, small fish, tadpoles and even frogs are commonly hunted by water tigers, who use their strong jaws to keep prey in place while digestive enzymes are injected. Although water tigers prefer the edges of ponds and gently streaming water, their well-developed wings allow them to fly in search of a new home, if necessary.

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