Hydrobia acuta (Draparnaud, 1805)

mm. 3-4,5
distribuzione: Nord, Sud, Sicilia, Sardegna
note: presente solitamente in acque salmastre, anche oligoaline, o a salinità molto variabile, ma talvolta anche in acque marine costiere.
This images is at low resolution, is used for scientific and teaching purposes, is not for profit and not for commercial use