Barracudas are known for their fast swimming.

The soup with mixed small fish at this restaurant is very delicious.

Since he started his new job, he's been lively as if he were a fish back in water.

Kubotafugu is one of my favorite fish.

The Japanese giant salamander is an endemic species in Japan and the largest amphibian in the world.

He was drawing a pentadecagon shape.

Every fifteenth day of the month, our family goes to the temple.

I work five days a week.

This old radio uses a pentode.

My room is twenty-five square meters.