Diaphonization -- otherwise known as clearing and staining -- is one of the most photogenic preparation methods used by research scientists. It's beautiful, but is it practical? We interviewed Dr. Caleb McMahan, Collection Manager of Fishes, on how he uses this technique to answer questions about the evolution of fish! Big thanks to Caleb for taking the time to share his work with us, and to Alan Resetar for lending the reptile and amphibian specimens!... as well as the extra light table because ours broke right before filming. :( Read more about Clearing and Staining Fishes
Wherein Isobel and Maria show us the ropes -- or nets -- for surveying fishes in the Amazon. The distribution of fish in tropical river systems is important to understanding how animals move around these waterways. Where there are big fish -- like the electric eel -- we know there must be an ample supply of prey species, too!
Read more about An Electric Eel and a Caiman
FMNH Fishes recently returned from our collecting expedition to Guatemala. Here are a few final photos from the trip. We will update again soon as we unpack our specimens and work to incorporate them into the Fish Collection at The Field Museum! susancaleb_tissue.jpg Susan and Caleb work on taking tissue samples from specimens after collecting at a site. Read more about Fishes in Guatemala - Last Update from the field