This feeder fish (rosy minnow/fathead minnow) looked like it had parasites under its skin, a few others in the tank had similar. Look familiar? : r/Aquariums

SPOTLIGHT: Fathead and Rosy-Red Minnows

Chemical cues for intraspecific chemical communication and interspecific interactions in aquatic environments: applications for fisheries and aquaculture

Rosy Red Minnow, Wiki

Minnows Missouri Department of Conservation

Rosy Red Minnow Care - Pimephales promelas

This feeder fish (rosy minnow/fathead minnow) looked like it had parasites under its skin, a few others in the tank had similar. Look familiar? : r/ Aquariums

This feeder fish (rosy minnow/fathead minnow) looked like it had parasites under its skin, a few others in the tank had similar. Look familiar? : r/ Aquariums

Has this happened to you? Rosy minnows turned out to be goldfish : r /Goldfish

Rosy red minnow with large red bump on his side

Crayfish - The Care, Feeding and Breeding of Freshwater Crayfish (Crawfish) - Aquarium Tidings

Rosy Red Minnow - The Care, Feeding and Breeding of Rosy Red Minnows - Aquarium Tidings