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Domínguez-Castanedo O, Valdez-Carbajal S. Developmental ecology in embryos of an estuarine pupfish endemic of the Yucatan peninsula: Survival out of water, metabolic depression, and asynchronous hatching. Dev Dyn 2024. [PMID: 39166847 DOI: 10.1002/dvdy.732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 07/17/2024] [Accepted: 08/06/2024] [Indexed: 08/23/2024] Open
Abstract
BACKGROUND Theory predicts that drought-resistant embryos with extended incubations are evolutionarily favored in environments with high mortality of larvae but safe for eggs. Here, we experimentally test, under common garden conditions, the effect of three incubation temperatures and media on embryonic developmental length, extended incubation out of the water, survival, metabolic rate, and hatching dynamics in the estuarine pupfish Garmanella pulchra. We also described the morphological changes of embryonic cortical structures related to air exposure. RESULTS We found that embryos incubated out of water in low and medium temperatures present an extended incubation period beyond their hatching capability with a deep metabolic depression. Also, these embryos exhibited a hatching asynchrony not related to water availability. Embryos incubated at high temperatures did not show extended incubation, with decreased probability of survival out of water. Our morphological observations of the embryonic cortical structures reveal that the perivitelline space and hair-like filaments buffer the deleterious drought effects. CONCLUSIONS Our results reveal that G. pulchra possesses life-history traits typical of two separate phenomena: delay hatching and diapause; supporting a true continuum between them, rather than a dichotomy. The evolution of these traits may respond to aerial exposure during low tides in the estuaries of Yucatán they inhabit.
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Affiliation(s)
- Omar Domínguez-Castanedo
- Asociación Mexicana para el Estudio y Conservación de Cyprinodontiformes, Ciudad de Mexico, Mexico
| | - Sharon Valdez-Carbajal
- Maestría en Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Ciudad de Mexico, Mexico
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Sauger C, Quinquis J, Berthelin C, Lepoittevin M, Elie N, Dubroca L, Kellner K. A Quantitative Histologic Analysis of Oogenesis in the Flatfish Species Pleuronectes platessa as a Tool for Fisheries Management. Animals (Basel) 2023; 13:2506. [PMID: 37570314 PMCID: PMC10417471 DOI: 10.3390/ani13152506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/28/2023] [Accepted: 07/30/2023] [Indexed: 08/13/2023] Open
Abstract
The following paper gives a detailed description of the oogenesis cycle for the European Plaice (Pleuronectes platessa), from oogonia to post-ovulatory follicle, including ovarian follicle and zona pellucida sizes. Noteworthy particularities were the difficulty in identifying cortical alveoli due to their very small size. Quantitative histology (stereology) on histological slides was used to determine a first size at maturity for females from the English Channel, which was found to be smaller compared to the literature (19 cm). Stereology also determined a first spawning event starting in January, with a peak in February and ongoing until March. Moreover, the use of stereology showed misclassifications for individuals categorized into a maturity phase using a macroscopic visual method. Misclassifications were found with individuals that had spawned (D) but were put under the immature (A) phase, and individuals in development (B) classified under D.
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Affiliation(s)
- Carine Sauger
- Unity Biology of Organisms and Aquatic Ecosystems (UMR 8067 BOREA), University of Caen-Normandie, Muséum National d’Histoire Naturelle, Sorbonne University, CNRS, IRD, Université des Antilles, Esplanade de la Paix, 14032 Caen, France; (C.B.); (M.L.)
- Laboratoire Ressources Halieutiques de Port en Bessin, Institut Français de Recherche pour l’Exploitation de la Mer (IFREMER), Avenue du Général de Gaulle, 14520 Port en Bessin Huppain, France (L.D.)
| | - Jérôme Quinquis
- Laboratoire Ressources Halieutiques de Port en Bessin, Institut Français de Recherche pour l’Exploitation de la Mer (IFREMER), Avenue du Général de Gaulle, 14520 Port en Bessin Huppain, France (L.D.)
| | - Clothilde Berthelin
- Unity Biology of Organisms and Aquatic Ecosystems (UMR 8067 BOREA), University of Caen-Normandie, Muséum National d’Histoire Naturelle, Sorbonne University, CNRS, IRD, Université des Antilles, Esplanade de la Paix, 14032 Caen, France; (C.B.); (M.L.)
| | - Mélanie Lepoittevin
- Unity Biology of Organisms and Aquatic Ecosystems (UMR 8067 BOREA), University of Caen-Normandie, Muséum National d’Histoire Naturelle, Sorbonne University, CNRS, IRD, Université des Antilles, Esplanade de la Paix, 14032 Caen, France; (C.B.); (M.L.)
| | - Nicolas Elie
- Service Unit PLATON, VIRTUAL’HIS, Federative Structure 4207 “Normandie Oncologie”, Normandie University UNICAEN, 14000 Caen, France;
| | - Laurent Dubroca
- Laboratoire Ressources Halieutiques de Port en Bessin, Institut Français de Recherche pour l’Exploitation de la Mer (IFREMER), Avenue du Général de Gaulle, 14520 Port en Bessin Huppain, France (L.D.)
| | - Kristell Kellner
- Unity Biology of Organisms and Aquatic Ecosystems (UMR 8067 BOREA), University of Caen-Normandie, Muséum National d’Histoire Naturelle, Sorbonne University, CNRS, IRD, Université des Antilles, Esplanade de la Paix, 14032 Caen, France; (C.B.); (M.L.)
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Domínguez‐Castanedo O, Uribe MC, Muñoz‐Campos TM. Morphological patterns of cell death in ovarian follicles of primary and secondary growth and postovulatory follicle complex of the annual killifish
Millerichthys robustus
(Cyprinodontiformes: Cynolebiidae). J Morphol 2019; 280:1668-1681. [DOI: 10.1002/jmor.21056] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 07/12/2019] [Accepted: 08/07/2019] [Indexed: 12/15/2022]
Affiliation(s)
- Omar Domínguez‐Castanedo
- Departamento El Hombre y su AmbienteUniversidad Autónoma Metropolitana, Unidad Xochimilco Calzada del Hueso No. 1100, Coyoacán, CDMX Mexico
| | - Mari Carmen Uribe
- Laboratorio de Biología de la Reproducción. Departamento de Biología Comparada. Facultad de Ciencias, Circuito ExteriorCiudad Universitaria, Universidad Nacional Autónoma de México Insurgentes Sur 3000, Coyoacán, CDMX Mexico
| | - Tessy M. Muñoz‐Campos
- Licenciatura en BiologíaUniversidad Autónoma Metropolitana, Unidad Xochimilco Calzada del Hueso No. 1100, Coyoacán, CDMX Mexico
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Domínguez-Castanedo O, Uribe MC. Ovarian structure, folliculogenesis and oogenesis of the annual killifish Millerichthys robustus
(Cyprinodontiformes: Cynolebiidae). J Morphol 2019; 280:316-328. [DOI: 10.1002/jmor.20945] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 12/10/2018] [Accepted: 12/20/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Omar Domínguez-Castanedo
- Departamento El Hombre y su Ambiente; Universidad Autónoma Metropolitana Unidad Xochimilco; Calzada del Hueso No. 1100, Delegación Coyoacán, CDMX Mexico City
| | - Mari Carmen Uribe
- Departamento de Biología Comparada, Facultad de Ciencias, Circuito Exterior, Laboratorio de Biología de la Reproducción; Ciudad Universitaria, Universidad Nacional Autónoma de México; Insurgentes Sur 3000, Delegación Coyoacán, CDMX Mexico City
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