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A pilot study of the performance of captive‐reared delta smelt Hypomesus transpacificus in a semi‐natural environment
Published Web Location
https://doi.org/10.1111/jfb.14162Abstract
A captive breeding programme was developed in 2008 for delta smelt Hypomesus transpacificus in reaction to dramatic population decline over several decades. We took 526 sub-adult captive-reared delta smelt and cultured them for 200 days without providing artificial food or water quality management to assess their performance once released in the wild. The results indicated captive-reared sub-adult delta smelt could survive in a semi-natural environment with uncontrolled water quality and naturally produced wild prey through spawning and into their post spawning phase.
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