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Retinal differentiation in syngnathids: comparison in the developmental rate and acquisition of retinal structures in altricial and precocial fish species

2019-09Journal article Restricted access
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dc.contributor.authorAlvarez-Hernan, Guadalupe
dc.contributor.authorAndrade, José Pedro
dc.contributor.authorEscarabajal-Blazquez, Laura
dc.contributor.authorBlasco, Manuel
dc.contributor.authorSolana-Fajardo, Jorge
dc.contributor.authorMartin-Partido, Gervasio
dc.contributor.authorFrancisco-Morcillo, Javier
dc.date.accessioned2020-07-24T10:51:44Z
dc.date.available2020-07-24T10:51:44Z
dc.date.issued2019-09
dc.description.abstractThe altricial-precocial spectrum describes the degree of morphological maturation of offspring at the moment of hatching. In fishes, precocial species develop all their structures at early stages of embryogenesis and larvae hatch at an advanced stage of development, while altricial species hatch at a less developed stage. The timing of retinal development also varies significantly between precocial and altricial fish species. Thus, retinal development is completed before hatching in precocial species. In contrast, a relatively simple retina is observed in altricial newborns and the acquisition of the adult retinal features extends until late in larval life. Therefore, retinal maturation at hatching could be considered as a morphological character to describe the developmental mode of fish newborns. Syngnathids fishes hatch with well-developed sensory systems, jaws, and feeding structures and, therefore, they are considered as precocial fish species. Using as a model the retina of two species of syngnathids (Syngnathus typhle and Hippocampus guttulatus), we describe the retinal maturity during different embryological stages and compare the results with previous studies in the retina of other altricial and precocial fish species. This will be done through a review of the pertinent literature, as well as by drawing on our own experience gathered through recent studies on fish retinogenesis. These differences in the maturity of the visual system have implications for the vision-based survival skills during the early life stages after hatching and for the overall ecology and fitness of the species.
dc.description.sponsorshipFundacao para a Ciencia e a Tecnologia, PortugalPortuguese Foundation for Science and Technology [PTDC/MAR/122616/2010]
dc.description.sponsorshipSpanish Ministerio de Ciencia y TecnologiaSpanish Government [BFU2007-67540]
dc.description.sponsorshipJunta de Extremadura [PRI06A195, GR15158]
dc.identifier.doi10.1007/s00435-019-00447-3
dc.identifier.issn0720-213X
dc.identifier.issn1432-234X
dc.identifier.urihttp://hdl.handle.net/10400.1/14264
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer
dc.relationFrom abundance to disappearance. Identifying causes for Hippocampus guttulatus population decrease in the Ria
dc.subjectSeahorse Hippocampus-Reidi
dc.subjectSole Solea-Senegalensis
dc.subjectCell-Proliferation
dc.subjectEmbryonic-Development
dc.subjectVisual-System
dc.subjectLife-History
dc.subjectJapanese Flounder
dc.subjectGabaergic System
dc.subjectEye Development
dc.subjectSensory Organs
dc.titleRetinal differentiation in syngnathids: comparison in the developmental rate and acquisition of retinal structures in altricial and precocial fish species
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleFrom abundance to disappearance. Identifying causes for Hippocampus guttulatus population decrease in the Ria
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FMAR%2F122616%2F2010/PT
oaire.citation.endPage385
oaire.citation.issue3
oaire.citation.startPage371
oaire.citation.titleZoomorphology
oaire.citation.volume138
oaire.fundingStream3599-PPCDT
person.familyNameAndrade
person.givenNameJose
person.identifier.ciencia-idD514-1A21-F020
person.identifier.orcid0000-0002-5482-9776
person.identifier.scopus-author-id7201722097
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication8f1ffbdc-85aa-4342-8bd8-61eb6d6be74e
relation.isAuthorOfPublication.latestForDiscovery8f1ffbdc-85aa-4342-8bd8-61eb6d6be74e
relation.isProjectOfPublication5dbcb261-f1c4-4dee-9528-dcdb8d0f392e
relation.isProjectOfPublication.latestForDiscovery5dbcb261-f1c4-4dee-9528-dcdb8d0f392e

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