Topic: Fish

Researchers Reveal How Electric Fish Evolved Their Shocking Skills Independently at Six Different Times

June 26, 2014

[caption id="attachment_46693" align="alignright" width="300" caption="New research demonstrates that the six electric fish lineages, all of which evolved independently, used "genetic toolbox" to make an electricity-generating organ for defense, predation, navigation and communication. This photo of an electric eel is by Steven Johnson."]Electric Eel[/caption]

AUSTIN, Texas  New research demonstrates that the six electric fish lineages, all of which evolved independently, used essentially the same genes and developmental and cellular pathways to make an electricity-generating organ for defense, predation, navigation and communication.

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Variety in Diet Can Hamper Microbial Diversity in the Gut

May 28, 2014

Scientists from The University of Texas at Austin and five other institutions have discovered that the more diverse the diet of a fish, the less diverse are the microbes living in its gut. If the effect is confirmed in humans, it could mean that the combinations of foods people eat can influence the diversity of their gut microbes.

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Seahorse Heads Have a 'No Wake Zone' That's Made for Catching Prey

Nov. 26, 2013

Seahorses are slow, docile creatures, but their heads are perfectly shaped to sneak up and quickly snatch prey, according to marine scientists from The University of Texas at Austin.

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Captive Breeding Could Transform the Saltwater Aquarium Trade and Save Coral Reefs, Marine Biologists Say

Sept. 20, 2011

Marine biologists at The University of Texas at Austin Marine Science Institute are developing means to efficiently breed saltwater aquarium fish, seahorses, plankton and invertebrates in captivity in order to preserve the biologically rich ecosystems of the world's coral reefs.

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Marine Scientists to Investigate Effect of Gulf of Mexico 'Dead Zone' on Fish Populations

Nov. 10, 2009

Whether a large area of low oxygen water called the "dead zone" in the northern Gulf of Mexico could cause declines in environmentally and economically important fish populations is the subject of a new study by University of Texas at Austin marine scientist Peter Thomas.

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