Skeletal deformities and meristic trait variations are common in the intertidal fish Bathygobius cocosensis (Perciformes-Gobiidae).

Détails

ID Serval
serval:BIB_2AFA9AA3526F
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Skeletal deformities and meristic trait variations are common in the intertidal fish Bathygobius cocosensis (Perciformes-Gobiidae).
Périodique
Journal of fish diseases
Auteur(s)
Malard L., Riginos C., McGuigan K.
ISSN
1365-2761 (Electronic)
ISSN-L
0140-7775
Statut éditorial
Publié
Date de publication
05/01/2021
Peer-reviewed
Oui
Langue
anglais
Notes
Publication types: Journal Article
Publication Status: aheadofprint
Résumé
Extreme environmental conditions, such as temperature, can lead to meristic trait variation and skeletal deformities, which may have major impacts on individual fitness. As intertidal ecosystems experience rapid temperature and physicochemical fluctuations, intertidal fish living and reproducing in these environmental conditions may have phenotypes influenced by such variable environments. The impact of intertidal variability on fish development, however, has not been previously investigated. Skeletal deformities and meristic traits were assessed for Bathygobius cocosensis, a common intertidal fish living across the Indo-Pacific region, using a clearing and staining method on 72 individuals. Over 87% of individuals presented meristic variation and over 70% exhibited at least one type of skeletal deformity, mostly recorded in the caudal fin area. The unexpected prevalence of skeletal deformities among this intertidal fish population suggests that such deformities may be suitable markers to evaluate an individual's stress exposure during development and the subsequent fitness effects.
Mots-clé
fish biology, intertidal ecosystems, meristic traits, skeletal deformities
Pubmed
Création de la notice
11/01/2021 14:41
Dernière modification de la notice
15/01/2021 7:26
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