Description: A tiny mud snail, 4 - 6 mm in size, with a sharp pointed spire with relatively flattened whorls and shallow sutures. It has an operculum. The shell is usually dark in colour, and the animal itself has a grey body with some large pale spots and a darker head with white tentacles featuring a black ring near the tip.

Habitat: Around the coast in brackish lagoons or pools separated from the sea.

Distribution: Rare in Britain and Ireland. Only known from Strangford Lough in Northern Ireland.

Similar Species: Could potentially be confused with several other species of mud snail.

Key Identification Features:

• Sharp pointed spire and dark shell.
• Grey body/snout with pale spots.
• White tentacles with black ring near tip.
• Dark-coloured head.

Distribution Map from NBN: Hydrobia acuta neglecta at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Hydrobia acuta neglecta at iNaturalist World Species Observations database.

GBIF data for Hydrobia acuta neglecta

WoRMS: Hydrobia acuta neglecta at World Register of Marine Species. Accepted name: Hydrobia acuta neglecta Muus, 1963. AphiaID: 465551.

Classification: Biota; Animalia; Mollusca; Gastropoda; Caenogastropoda; Littorinimorpha; Truncatelloidea; Hydrobiidae; Hydrobiinae; Hydrobia