Fathead minnows swimming in an experimental aquarium
By Environmental Health Program
2017 (approx.)
![Fathead minnows (Pimephales promelas) swimming in an experimental aquarium](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/fathead_minnows_in_experimental_aquarium_barber_crop_qc.jpg?itok=ZkaUkMt5)
Detailed Description
Bioactive Chemicals Research Laboratory — Boulder, Colorado. Fathead minnows (Pimephales promelas) swimming in an experimental aquarium. The aquarium is part of an experiment to assess endocrine disruption in fish.
Sources/Usage
Public Domain.