Fishes has several uses, although the dual of bass is generally bass. For example, in biology, fishes can be used to reference several types of bass. By way of example, if you state four fish was seen by you when diving, that signifies you found four person bass, but should you state four fishes were seen by you, we may infer which you found an undetermined amount of bass of four varieties that is distinct.
Fishes, with the apostrophe, additionally functions as the plural possessive of — the ’ scales that are fishes, for instance were yellowish.
Fishes also seems in the cinematic mobster idiom sleep with the fishes, utilized to signal that some one continues to be whacked (and possibly provided a water burying).