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Assessment of blacklip rock oyster, Saccostrea lineage J, spat growth and survival in recirculating upweller and downweller nursery systems1.73 MB
Published VersionCC BY-NC-ND V4.0, Open Access
Journal article
Assessment of blacklip rock oyster, Saccostrea lineage J, spat growth and survival in recirculating upweller and downweller nursery systems
Molluscan Research, Vol.43(2), pp.101-108
2023
Abstract
The blacklip rock oyster, Saccostrea lineage J, has the potential to support new aquaculture developments throughout its range in the tropical Indo-Pacific region, but lack of research investment in understanding basic biology has been a key failure point in the past. This study assessed Saccostrea lineage J spat growth and survival in downweller and upweller nursery systems, with the aim of establishing baseline biological information and evaluating spat performance to support commercialisation efforts. Downweller and upweller nursery systems were similarly effective at rearing spat, with mean dorsoventral measurement in both systems reaching a 5 mm deployment size at 59 days post hatch. Growth rates reported in this study of 0.19 and 0.20 mm day−1 in the downweller and upweller, respectively, are comparable to other hatchery-produced tropical and subtropical bivalve spat. Based on the results of this study, it is recommended that spat be held in nurseries for approximately two months to reach a 5 mm deployment size. The information obtained in this study is the first documentation of Saccostrea lineage J spat growth and survival, and the methods used provide a basis for commercial production of this species.
Details
- Title
- Assessment of blacklip rock oyster, Saccostrea lineage J, spat growth and survival in recirculating upweller and downweller nursery systems
- Authors
- Samantha J. Nowland (Corresponding Author) - University of the Sunshine Coast, Queensland, Australian Centre for Pacific Islands ResearchBrien H. Roberts (Author) - Government of the Northern Territory
- Publication details
- Molluscan Research, Vol.43(2), pp.101-108
- Publisher
- Taylor & Francis
- Date published
- 2023
- DOI
- 10.1080/13235818.2023.2217677
- ISSN
- 1448-6067; 1323-5818
- Copyright note
- This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited, and is not altered, transformed, or built upon in any way. The terms on which this article has been published allow the posting of the Accepted Manuscript in a repository by the author(s) or with their consent.
- Grant note
- Cooperative Research Centre for Developing Northern Australia
- Organisation Unit
- School of Science and Engineering - Legacy; Australian Centre for Pacific Islands Research; University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99741796102621
- Output Type
- Journal article
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- Marine & Freshwater Biology
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