fish stone loach (noemacheilus barbulatus, barbatula barbatula, nemacheilus barbatulus). ichthyology research.

animal insect invertebrate moth reptile arthropod wing wildlife butterfly leaf wood pollinator lizard hand pattern soil fish stone loach noemacheilus barbulatus barbatula nemacheilus barbatulus background measurement grid ichthyology research noemacheilus slovenia italy summer barbus germany light netherlands france uk barbatulus aquatic natural wildlife freshwater fish isolated trout beautiful white balitoridae up pond loach freshwater nature fishing water stone underwater river lake portrait close-up closeup animal wild european ecology europe color stamp head barbel barbatula catch angling background vintage