{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T07:17:25Z","timestamp":1788419845292,"version":"build-2803163510"},"reference-count":59,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T00:00:00Z","timestamp":1788307200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T00:00:00Z","timestamp":1788307200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100018226","name":"University of the South Pacific","doi-asserted-by":"publisher","award":["USP AURC Grant no. FD031\u2010FST15\u201071502\u2010001"],"award-info":[{"award-number":["USP AURC Grant no. 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From April 2022 to May 2023, field\u2010based histological analyses were conducted on 118 individuals sampled from the Navua River, comprising 86 females, 24 males, five transitional individuals and three sexually undifferentiated individuals. The findings support protandrous hermaphroditism, potentially through a monogynic pathway, as indicated by the absence of functional females in smaller size classes, size\u2010specific sex ratios and histological evidence of transitional gonads. Sexual dimorphism was evident, with females attaining larger body sizes than males. The length predicted to comprise 50% mature individuals was estimated at 20.39\u2009cm SL, while the fitted transition model estimated X50, the length predicted to comprise 50% males, at 20.14\u2009cm SL. Histological analyses confirmed asynchronous oocyte development and the presence of transitional gonads containing regressing testicular tissue and developing ovarian structures. The transitional gonads of\n                    <jats:italic>M. kneri<\/jats:italic>\n                    exhibited a delimited configuration, with a connective tissue barrier separating testicular and ovarian regions. The sampled population also showed a strongly female\u2010biased sex ratio, particularly in larger size classes, and a positive relationship between batch fecundity and female size. These findings indicate that management strategies should consider the protection of larger, highly fecund females while also maintaining sufficient smaller and intermediate\u2010sized functional males to support reproductive success. This study provides critical baseline information on the reproductive biology of\n                    <jats:italic>M. kneri<\/jats:italic>\n                    and contributes to the development of conservation and fisheries management strategies for Fiji's riverine ecosystems.\n                  <\/jats:p>","DOI":"10.1111\/jfb.70633","type":"journal-article","created":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T06:50:56Z","timestamp":1788418256000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Insights into the sex life of an endemic riverine fish from\n                    <scp>F<\/scp>\n                    iji:\n                    <scp>P<\/scp>\n                    rotandrous hermaphroditism in the orange\u2010spotted therapon\u2014\n                    <i>Mesopristes kneri<\/i>\n                    (\n                    <scp>B<\/scp>\n                    leeker, 1876)"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1797-6571","authenticated-orcid":false,"given":"Lekima K. F.","family":"Copeland","sequence":"first","affiliation":[{"name":"School of Agriculture, Geography, Environment, Ocean and Natural Sciences The University of the South Pacific  Suva Fiji"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Renee","family":"Hill\u2010Lewenilovo","sequence":"additional","affiliation":[{"name":"School of Agriculture, Geography, Environment, Ocean and Natural Sciences The University of the South Pacific  Suva Fiji"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kimberly E. K.","family":"Samson","sequence":"additional","affiliation":[{"name":"School of Agriculture, Geography, Environment, Ocean and Natural Sciences The University of the South Pacific  Suva Fiji"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8545-2887","authenticated-orcid":false,"given":"Monal M.","family":"Lal","sequence":"additional","affiliation":[{"name":"School of Science, Technology and Engineering and Australian Centre for Pacific Islands Research University of the Sunshine Coast  Queensland Australia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brian L.","family":"Stockwell","sequence":"additional","affiliation":[{"name":"School of Agriculture, Geography, Environment, Ocean and Natural Sciences The University of the South Pacific  Suva Fiji"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,9,2]]},"reference":[{"key":"e_1_2_10_2_1","volume-title":"Manual of fisheries science. 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