Hydrophilus piceus
Britain's largest aquatic insect at 5 cm, the great silver water beetle is a rare inhabitant of fen ditches and ponds in south-east England. Adults and larvae are predators of aquatic invertebrates, tadpoles and small fish.
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Record your Great Silver Water Beetle sighting and share it with the community.
Record sightingConservation Status: VU
Vulnerable — assessed by the IUCN Red List of Threatened Species.