The following species of aquatic invertebrates have been recorded at Minet.

Water Beetles

Scavenger water beetles : Hydrophilidae

Anacaena limbata

Anacaena lutescens

Berosus signaticollis

Cercyon tristis

Hydrobius fuscipes

Helochares lividus

Scavenger water beetles : Helophoridae

Helophorus aequalis

Helophorus brevipalpis

Helophorus flavipes

Helophorus longitarsis

Helophorus minutus

Small water beetles: Hydraenidae

Ochthebius minimus

Water beetles (diving beetles): Dytiscidae

Colymbetes fuscus

Hydroglyphus geminus

Hydroporus planus

Hygrotus confluens

Hygrotus impressopunctatus

Hygrotus inaequalis

Laccophilus minutus

Mayflies

Pond Olive Cloeon dipterum

Waterbugs

Water striders: Gerridae

A pond skater (water strider) Gerris odontogaster

A pond skater Gerris thoracicus

Backswimmers: Notonectidae

A greater water boatman Notonecta glauca

A greater water boatman Notonecta marmorea

Waterboatman: Corixidae

A lesser water boatman Cymatia coleoptrata

A lesser water boatman Sigara distincta

Pygmy backswimmers: Pleidae

Lesser Backswimmer Plea leachi

Caddisflies

Limnephilus affinis/incisus

Limnephilus auricula

Limnephilus flavicornis

Limnephilus stigma

Limnephilus vittatus

Cinnamon Sedge Limnephilus lunatus

Snails

Wandering Snail Lymnaea peregra/Radix peregra

A snail Physa acuta

Leeches

Horse Leech Haemopis sanguisuga

Duck leech Theromyzon tessulatum