@misc{indiciaecdb333cf5d4b,
  title = {American Museum novitates / Changing preference for substrate color by reproductively active mosquitofish, Gambusia affinis (Baird and Girard) (Poeciliidae, Atheriniformes) — Illustration, Page 21},
  year = {1969},
  url = {https://www.biodiversitylibrary.org/page/63006821},
  note = {Source identifier: page-63006821}
}