Polyprion americanus is a marine, bathydemersal, and oceanodromous fish belonging to the family Polyprionidae, having a worldwide distribution and living in deep waters. P. americanus is considered one of the most interesting new species for aquaculture diversification due to its fast growth, late reproductive maturation, high market price, and limited fisheries landings. However, the deep-water living behaviour, the difficulty in acquiring wild fish for initial broodstock formation, the lack of reproduction control in captivity, and the lack of any larval rearing protocols are serious bottlenecks. Further research is needed on both natural behaviour and physiological effects of farming practices in order to develop specific rearing conditions and provide recommendations for improving fish welfare.
= hatching to mouth opening, for details ➝
Findings 10.1 Ontogenetic developmentWILD
= setting in the wildFARM
= setting in farming environment or under conditions simulating farming environment in terms of size of facility or number of individualsJUVENILES
= fully developed but immature individuals, for details ➝
Findings 10.1 Ontogenetic developmentADULTS
= mature individuals, for details ➝
Findings 10.1 Ontogenetic developmentSPAWNERS
= adults that are kept as broodstockOCEANODROMOUS
= living and migrating in the seaPELAGIC
= living independent of bottom and shore of a body of waterDEMERSAL
= living and feeding on or near the bottom of a body of water, mostly benthopelagic, some benthicDOMESTICATION LEVEL 2
= part of the life cycle closed in captivity, also known as capture-based aquaculture 20
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