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Red Fish Spawning: The Importance to Our Economic & Environmental Future
Redfish were first spawned in captivity in 1975 at the University of Texas Marine Science Institute in Port Aransas. At that time most people thought it was pretty far-fetched to try to spawn these large marine fish in fiberglass tanks but Dr. Connie Arnold believed it could be done and succeeded. The next challenge, to determine how to keep the larvae alive and growing, was taken up by Dr. Joan Holt. She established the appropriate conditions for successfully rearing the larvae to produce juvenile redfish. That was 32 years ago and Holt remains fascinated with studies of redfish larvae. She and her graduate students have investigated feeding and development, fatty acid requirements, recruitment to seagrass nursery habitats, and predation and growth in red drum larvae. Her interest in marine larvae has extended to pioneering work on spotted sea trout, southern flounder, yellowtail snapper, cobia (ling), common snook, and the culture and conservation of coral reef fish. Her research has resulted in over 100 publications and training for 32 graduate students and post docs. This research has been featured on the Discovery Channel, ABC News, Lago in the Morning, Doug Pike Radio Show, Texas Parks and Wildlife Magazine, Tide Magazine and in the Corpus Christi Caller Times, the Houston Chronicle, South Jetty, and San Antonio Express-News.
| G. Joan Holt is Associate Director and holds the Perry R. Bass Chair in Fisheries & Mariculture at the University of Texas Marine Science Institute in Port Aransas and is a Professor in the Department of Marine Science, The University of Texas at Austin.
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