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The shark-tuna dichotomy: why tuna lay tiny eggs but sharks produce large offspring

Teleosts such as tunas and billfish lay millions of tiny eggs weighing on the order of 0.001 g, whereas chondrichthyes such as sharks and rays produce a few eggs or live offspring weighing about 2% of adult body mass, as much as 10 000 g in some species. Why are the strategies so extreme, and why ar...

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Detalles Bibliográficos
Autores principales: Sibly, Richard M., Kodric-Brown, Astrid, Luna, Susan M., Brown, James H.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6124039/
https://www.ncbi.nlm.nih.gov/pubmed/30225033
http://dx.doi.org/10.1098/rsos.180453

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