Fish with K
- Krill
- King fish
- Kipper
- King salmon
- Kissing Fish
- Killifish
- King mackerel
- King crab
- kelp fish
- kettle fish
- killer shark
- koala
- Knife fish
- Knifefish
- kaka
- King prawn
- Killer Fish
- king shark
- Knight fish
- Kill
- Kan
- Killer whales
- Kelp perch
- Kin
The words in the list Fish with K come from players of the word game Categories game.