Gyraulus kahuica is a species of minute, air-breathing freshwater snail, an aquatic pulmonate gastropod mollusc or micromollusc in the family Planorbidae, the ram's horn snailss. All planorbids have sinistral shells. It is native to New Zealand.
The species name kahuica is derived from "Kahu", a MÃÂori personal name, and was part of the tribal name of the principal MÃÂori tribe in the Hawke's Bay district of New Zealand.
The shell is sinistral and planispiral.