Tag Archive: fish

Jul 06

Mapping Endangered Fish in Illinois

Counting endangered fish is the first step towards protecting and improving their habitats. Dive in: One fish, two fish, red fish, blue fish…research biologist Phillip Willink, PhD, of the Shedd Aquarium is counting endangered and threatened fish. From there to here, from here to there, he’s also mapping their distribution throughout Chicagoland waters. He’s doing …

Continue reading »

Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/endangered-fish-count/

Jun 07

Bioacoustics in the Great Lakes

A “sound” strategy for learning about fish: Aaron Rice, of Cornell’s Bioacoustics Research Program, tracks fish populations and behavior. He does it using sound. Rice: “The advantage of using sound as a survey method is that with digital recording technology that’s available now you can take a hydrophone, connect it to a essentially waterproof computer …

Continue reading »

Permanent link to this article: http://www.currentcast.org/water-and-energy/bioacoustics-in-the-great-lakes/

May 24

Fish Talk

Scientists listen in on a world of underwater sound. Listen up: When Aaron Rice eavesdrops on a conversation, he hears plenty of pops, purrs, clicks and grunts. As Research Associate at the Bioacoustics Research Program at Cornell University, he listens to fish. The sounds usually have something to do with aggression or reproduction – and …

Continue reading »

Permanent link to this article: http://www.currentcast.org/sustainable-fisheries/fish-talk/

Apr 19

Great Lakes Villains on the Move

Cue the scary music! If Asian carp barge into Lake Erie, Ohio’s tourism and travel industries are at stake. Listen up: Imagine 40-pound fish taking over a lake, and stealing food from smaller species. It may sound like a horror flick, but the threat of Asian carp is real—and breeding populations exist in rivers near the …

Continue reading »

Permanent link to this article: http://www.currentcast.org/water-and-recreation/villains-on-the-move/

Apr 12

Why Didn’t the Fish Cross the Road?

It’s no joke—in many places, fish can’t get to the other side of a road. Listen up for the why and so what: Turns out, fish can’t just go with the flow after all. According to research out of the University of Wisconsin-Madison, more than 1,000 dams and 100,000 road crossings inhibit fish movement in …

Continue reading »

Permanent link to this article: http://www.currentcast.org/development/fish-barriers-great-lakes/

Older posts «