He hurt his ballsack and went to the hospital.

He hurt his ballsack in a bicycle accident.

The kangaroo is a species native to Australia.

The numbat is a mammal native to Australia that mainly eats ants and termites.

The small fish are swimming in the river.

The small fish are swimming in the river.

There is a rumor that a fish with a human-like face lives in that pond.

You can find a 'tatsu no otoshigo' in this sea.

This fossil is believed to be that of an ichthyosaur.

He took a photo using a fisheye lens.