dytiscidae

• 龙虱科，一类水生甲虫，通常被称为龙虱或潜水甲虫，多为捕食性。

A family of aquatic beetles, commonly known as water beetles.

不可数 · 专有名词

1. Family of water beetlesC1formalscientific

   A family of aquatic beetles commonly known as diving beetles or predaceous diving beetles, found in freshwater habitats worldwide.

   龙虱科

   • The Dytiscidae family includes over 4,000 species across the globe.
   • Many Dytiscidae are strong swimmers due to their streamlined bodies.
   • Researchers observed Dytiscidae larvae preying on small fish.
   • Some Dytiscidae species can stay underwater for long periods by trapping air under their wing cases.