Evaluation of Post-Release Behavior, Recapture, and Growth Rates of Hatchery-Reared AbaloneHaliotis asininaReleased in Sagay Marine Reserve, Philippines

Autor: Rema C. Sibonga, Joemel Gentelizo Sumbing, Ellen Flor Doyola-Solis, Ma. Junemie Hazel Lebata-Ramos, Hiroshi Ogata, Jeff Bogart R. Abrogueña
Rok vydání: 2013
Předmět:
Zdroj: Reviews in Fisheries Science. 21:433-440
ISSN: 1547-6553
1064-1262
Popis: The lucrative returns brought by abalone fisheries have caused overexploitation and decline of the wild population. In the Philippines, the Aquaculture Department of the Southeast Asian Fisheries Development Center has successfully produced Haliotis asinina seeds in the hatchery. Aside from utilizing these seeds in aquaculture, they are also being considered for future stock enhancement endeavors of the department. This study aimed to evaluate post release behavior, recapture and growth rates of hatchery-reared abalone juveniles released in the Sagay Marine Reserve. From the two release trials conducted, results showed that abalone of shell length >3.0 cm had lower mortality during onsite acclimation and utilized transport modules as temporary shelter for a shorter period after release. Both wild and hatchery-reared abalone preferred dead branching corals with encrusting algae as their habitat. Recapture rates were comparable between the wild (7.97%) and hatchery-reared (HR2) abalone (6.47%). Monthly grow...
Databáze: OpenAIRE
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