Finny (adjective)

Relating to fish or having fins.

Origin:

From the latin word "piscis" meaning fish.

Examples:

1. The finny inhabitants of the lake were jumping out of the water.
2. The finny creature swam gracefully in the tank.
3. The finny species were in abundance in the river.
4. The finny population in the ocean is being affected by pollution.
5. The finny game was caught by the fisherman.