The following species of aquatic invertebrates have been recorded at Minet.
Anacaena limbata
Anacaena lutescens
Berosus signaticollis
Cercyon tristis
Hydrobius fuscipes
Helochares lividus
Helophorus aequalis
Helophorus brevipalpis
Helophorus flavipes
Helophorus longitarsis
Helophorus minutus
Ochthebius minimus
Colymbetes fuscus
Hydroglyphus geminus
Hydroporus planus
Hygrotus confluens
Hygrotus impressopunctatus
Hygrotus inaequalis
Laccophilus minutus
Pond Olive Cloeon dipterum
A pond skater (water strider) Gerris odontogaster
A pond skater Gerris thoracicus
A greater water boatman Notonecta glauca
A greater water boatman Notonecta marmorea
A lesser water boatman Cymatia coleoptrata
A lesser water boatman Sigara distincta
Lesser Backswimmer Plea leachi
Limnephilus affinis/incisus
Limnephilus auricula
Limnephilus flavicornis
Limnephilus stigma
Limnephilus vittatus
Cinnamon Sedge Limnephilus lunatus
Wandering Snail Lymnaea peregra/Radix peregra
A snail Physa acuta
Horse Leech Haemopis sanguisuga
Duck leech Theromyzon tessulatum