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Resumen del producto
Curiel-Bernal, M.V., M.A., Cisneros-Mata, G., Rodríguez-Domínguez, L., Sánchez-Velasco, S.P.A., Jiménez-Rosenberg, A., Parés-Sierra & E.A., Aragon-Noriega
(2023).
Modelling Early Growth of Totoaba macdonaldi (Teleostei: Sciaenidae) under Laboratory Conditions.
Fishes.
8(3): 155-155.
DOI: 10.3390/fishes8030155.
Modelling Early Growth of Totoaba macdonaldi (Teleostei: Sciaenidae) under Laboratory Conditions
Marcelo V. Curiel-Bernal, Miguel A. Cisneros-Mata, Guillermo Rodríguez-Domínguez, Laura Sánchez-Velasco 1, S. Patricia A. Jiménez-Rosenberg 1, Alejandro Parés-Sierra y E. Alberto Aragon-Noriega
1 Instituto Politécnico Nacional, Centro Interdisciplinario de Ciencias Marinas
The totoaba (Totoaba macdonaldi) is a sciaenid (croaker) fish endemic to the Gulf of California with high commercial importance. Because it was considered at risk of extinction (since 2021 it was reclassified as vulnerable by the IUCN), and aquaculture procedures were developed for restocking and commercial purposes. The present study was conducted with the hypothesis that the early stages of totoaba present depensatory individual growth and an observed variance-at-age modelling approach is the best way to parametrize growth. Ten models were tested including asymptotic, non-asymptotic, exponential-like, and power-like curves including a new one that represents a modification of Schnute’s model. The model that best described the growth trajectory of larval and early juveniles of T. macdonaldi in a controlled environment is a sigmoid curve with two inflexions, related to changes in the feeding regime.
Palabras clave: endangered marine fish; depensation growth; multi-model inference; Schnute model
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