Are you looking at all those fish, or at all those fishes? The plural of the word might be a little tricky to gauge. Learn the correct way to refer to more than one fish here.
Fish - Banglapedia
What Is the Plural of Fish? - The Blue Book of Grammar and Punctuation
Ray-finned Fishes
A Fish Guide to Freshwater Fishes of Ontario: Holm, Erling, E
Fishes vs. Fish
Pufferfishes and Their Relatives
Fish, Definition, Species, Classification, & Facts
When is a minnow not really a minnow? - MSU Extension
Minnow misconceptions – The Fisheries Blog
Fish' or 'Fishes'? - Quick and Dirty Tips
What is a Fish? www./sealearning
Fish vs. Fishes
Fish or Fishes: Learn Which is the Correct Plural Form, fishes