Pop quiz—what kinds of animal mothers feed their babies before birth? The first (and maybe only) ones to come to mind are probably mammals like us—moms-to-be funnel nutrients from their blood supply right to their developing embryos through an organ called the placenta; the moms literally “eat for two.” That’s a different kind of nourishment than you see in most other animals—the majority lay eggs with a nutritious yolk for the embryo to use as it develops. Read more about New Discoveries in How Animal Moms-to-Be Feed Their Babies
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
Access to internet while in the field can be pretty difficult - but here are some photos of our last several days of exploring fishes in Guatemala! Diego_castnet.jpg Diego Elias throws a cast net. Read more about Fishes in Guatemala - Photo Update!