subaquatic

[ suhb-uh-kwat-ik, -uh-kwot- ]

/ ˌsʌb əˈkwæt ɪk, -əˈkwɒt- /

living or growing partly on land, partly in water.

under water.

Origin of subaquatic

First recorded in 1780–90; sub- + aquatic

These soon come in contact with some subaquatic object and adhere to it.

A Guide to the Study of Fishes, Volume 1 (of 2) |David Starr Jordan
I became absorbed in a sort of subaquatic mirage, in which I seemed to distinguish reflections beneath the surface.

Edge of the Jungle |William Beebe

subaquatic

/ (ˌsʌbəˈkwætɪk, -ˈkwɒt-) /

living or growing partly in water and partly on land

of or relating to conditions, existence, or activities under water