Hugo A. Magaña
Research Fisheries Biologist at the Albuquerque Laboratory

e-mail: hmagana[at]fs.fed.us
phone:505-724-3682

• Fisheries | Aquatic ecology
  • Aquatic trophic interactions
  • Feeding behavior of Hybognathus amarus
  • Aquatic habitat response to flooding
  • Primary productivity
  • Diatom culturing
• Fish and Cattle Grazing Reports

Magana, Hugo A.  2012.  Habitat use of the Rio Grande silvery minnow (Hybognathus amarus) during a long-term flood pulse in the Middle Rio Grande, New Mexico.   Environmental Biology of Fishes. 95: 201-212.

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Magana, Hugo A. 2009. Feeding preference of the Rio Grande silvery minnow (Hybognathus amarus). Reviews in Fisheries Science. 17(4): 468-477

Click to download videos

How Rio Grande silvery minnows react to food when first presented - Trial One

 

How Rio Grande silvery minnows react to food when first presented - Trial Two

 

How Rio Grande silvery minnows react after they have been trained to recognize their food sources

 

Rio Grande silvery minnows feeding on a diatom puck

 

All fish congregating on one diatom puck

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Magana, Hugo A. 2007. A case for classifying the Rio Grande silvery minnow (Hybognathus amarus) as an omnivore. Albuquerque, NM: The University of New Mexico. 109 p. Dissertation.

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Magaña, H.A., and Villareal, T.A. 2006. The effects of environmental factors on the growth rate of Karenia brevis (Davis) G. Hansen and Moestrup. Harmful Algae, 5:192-198.

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Magaña, H.A., Contreras, C., and Villareal, T.A. 2003. A historic assessment of Karenia brevis in the Western Gulf of Mexico. Harmful Algae, 2:163-171.

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Villareal, T.A. and Magaña, H.A. 2001. A red tide monitoring program for Texas coastal waters. Final Report Texas Parks and Wildlife pp. 77.

Research Scientists