Vegetated-margins
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Haliplidae
Crawling Water Beetles, haliplids
Haliplidae is a family of small aquatic beetles comprising approximately 200 species in five genera, representing the sole extant member of the superfamily Haliploidea. These beetles are characterized by their distinctive swimming behavior using alternating leg movements, which renders them relatively clumsy swimmers compared to other aquatic beetles. Consequently, they predominantly move by crawling along substrates rather than swimming. The family exhibits a cosmopolitan distribution in freshwater habitats worldwide.