Library                   Encyclopedia

Other Invertebrates

709 illustration
709 photo 01

Great Ramshorn

Coretus corneus

Description:
This snail is shaped like a flat coil, reaching 25 - 32 cm in diameter. Its colour is olive-brown to brown, and the leg and body are mostly darkish-blue. The head supports a pair of long filamentary tentacles, with the eye spots at the base of the tentacles.

Habitat:
The Great Ramshorn likes still or slow-moving water with ample vegetation, and is common throughout Europe and East Asia.

Habits:
It feeds mostly on algae, detritus, and silt. The snail can carry dangerous flukes affecting fish and warm-blooded animals.

  • Illustration
  • Photos