Table of Contents
Fishes, Volume 3, Issue 4 (December 2018) – 13 articles
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Cover Story (view full-size image) We followed the reproductive cycle in captivity of wreckfish Polyprion americanus, a late-maturing [...] Read more. We followed the reproductive cycle in captivity of wreckfish Polyprion americanus, a late-maturing deep-sea benthic species with good prospects for becoming an aquaculture species. Oogenesis began in the fall, and post-vitellogenic oocytes of 1250 μm were present between March and June. Males were in spermiation condition and produced good-quality sperm throughout the year. Some females completed oogenesis, underwent oocyte maturation, and spawned spontaneously under both constant low or fluctuating ambient temperatures. Several female reproductive dysfunctions were identified. Our study suggests that reproduction in captivity is possible in wreckfish maintained under typical marine aquaculture conditions, but that reliable spawning and the production of high-quality eggs may require some years of adaptation to captivity before the reproductive dysfunctions are overcome. View this paper.