Difference between Silverside and Silversides

What is the difference between Silverside and Silversides?

Silverside as a noun is any of several small fish, mostly in family atherinidae (atheriniformes), that are characterized by bright, silvery scales. while Silversides as a noun is any of several small fish, mostly in families atherinidae and atherinopsidae, both in order atheriniformes, that are characterized by bright, silvery scales.

We hope you now know whether to use Silverside or Silversides in your sentence.