Gurgle!

123456
Across
  1. 2. / A kind of pet that loves to eat fish!
  2. 3. / Confused
  3. 4. / Where pet fish can live
  4. 5. / A popular kind of pet fish
Down
  1. 1. / Something you drink and you need to stay alive
  2. 3. / A place you buy pets
  3. 5. / Sound fish make under the water
  4. 6. / What fish use to swim