Movement:
* Swim: The most common and basic verb.
* Dart: Move quickly and suddenly.
* Flash: Move quickly and brightly.
* Gliding: Moving smoothly through the water.
* Slither: Move smoothly and sinuously.
* Leap: Jump out of the water.
* Flit: Move quickly and lightly.
* Scurry: Move quickly and nervously.
* Shoal: Swim in a group.
* School: Swim in a large, organized group.
Eating:
* Nibble: Eat small bites.
* Gulp: Swallow quickly.
* Chomp: Bite with force.
* Scavenge: Search for food.
* Hunt: Actively pursue prey.
Other Actions:
* Bask: Relax in warm water.
* Spawn: Lay eggs.
* Breed: Reproduce.
* Fight: Engage in a battle.
* Hide: Conceal itself from danger.
* Flutter: Move fins quickly.
* Glisten: Shine with a wet, reflective surface.
* Flick: Move tail or fins quickly.
Figurative Language:
* Leap: Can be used figuratively to describe a quick, energetic movement.
* Scurry: Can be used figuratively to describe a nervous or frantic movement.
* Flash: Can be used figuratively to describe a quick and bright appearance.
The specific verbs you choose will depend on the context and the specific action you want to describe.