Turbatrix aceti

Utricularia exoleta

Vallisneria gigantea

V. spiralis

V. tortifolia

Vesicularia dubyana

Viviparus contectus

Volvox globator

Xenomystus nigri

Xiphophorus

X. helleri

X. maculatus

X. montezumae

X. variatus

X. xiphidium