Description of first nursery area for a pygmy devil ray species (Mobula munkiana) in the Gulf of California, Mexico

Abstract Munk’s pygmy devil rays (Mobula munkiana) are medium-size, zooplanktivorous filter feeding, elasmobranchs characterized by aggregative behavior, low fecundity and delayed reproduction. These traits make them susceptible to targeted and by-catch fisheries and are listed as Vulnerable on the...

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Autores principales:	Marta D. Palacios, Edgar M. Hoyos-Padilla, Abel Trejo-Ramírez, Donald A. Croll, Felipe Galván-Magaña, Kelly M. Zilliacus, John B. O’Sullivan, James T. Ketchum, Rogelio González-Armas
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/4fd284cd1cb148a2869c06adeacbb2e8
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spelling	oai:doaj.org-article:4fd284cd1cb148a2869c06adeacbb2e82021-12-02T15:14:14ZDescription of first nursery area for a pygmy devil ray species (Mobula munkiana) in the Gulf of California, Mexico10.1038/s41598-020-80506-82045-2322https://doaj.org/article/4fd284cd1cb148a2869c06adeacbb2e82021-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-80506-8https://doaj.org/toc/2045-2322Abstract Munk’s pygmy devil rays (Mobula munkiana) are medium-size, zooplanktivorous filter feeding, elasmobranchs characterized by aggregative behavior, low fecundity and delayed reproduction. These traits make them susceptible to targeted and by-catch fisheries and are listed as Vulnerable on the IUCN Red List. Multiple studies have examined fisheries impacts, but nursery areas or foraging neonate and juvenile concentrations have not been examined. This study describes the first nursery area for M. munkiana at Espiritu Santo Archipelago, Mexico. We examined spatial use of a shallow bay during 22 consecutive months in relation to environmental patterns using traditional tagging (n = 95) and acoustic telemetry (n = 7). Neonates and juveniles comprised 84% of tagged individuals and their residency index was significantly greater inside than outside the bay; spending a maximum of 145 consecutive days within the bay. Observations of near-term pregnant females, mating behavior, and neonates indicate an April to June pupping period. Anecdotal photograph review indicated that the nursery area is used by neonates and juveniles across years. These findings confirm, for the first time, the existence of nursery areas for Munk’s pygmy devil rays and the potential importance of shallow bays during early life stages for the conservation of this species.Marta D. PalaciosEdgar M. Hoyos-PadillaAbel Trejo-RamírezDonald A. CrollFelipe Galván-MagañaKelly M. ZilliacusJohn B. O’SullivanJames T. KetchumRogelio González-ArmasNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Marta D. Palacios Edgar M. Hoyos-Padilla Abel Trejo-Ramírez Donald A. Croll Felipe Galván-Magaña Kelly M. Zilliacus John B. O’Sullivan James T. Ketchum Rogelio González-Armas Description of first nursery area for a pygmy devil ray species (Mobula munkiana) in the Gulf of California, Mexico
description	Abstract Munk’s pygmy devil rays (Mobula munkiana) are medium-size, zooplanktivorous filter feeding, elasmobranchs characterized by aggregative behavior, low fecundity and delayed reproduction. These traits make them susceptible to targeted and by-catch fisheries and are listed as Vulnerable on the IUCN Red List. Multiple studies have examined fisheries impacts, but nursery areas or foraging neonate and juvenile concentrations have not been examined. This study describes the first nursery area for M. munkiana at Espiritu Santo Archipelago, Mexico. We examined spatial use of a shallow bay during 22 consecutive months in relation to environmental patterns using traditional tagging (n = 95) and acoustic telemetry (n = 7). Neonates and juveniles comprised 84% of tagged individuals and their residency index was significantly greater inside than outside the bay; spending a maximum of 145 consecutive days within the bay. Observations of near-term pregnant females, mating behavior, and neonates indicate an April to June pupping period. Anecdotal photograph review indicated that the nursery area is used by neonates and juveniles across years. These findings confirm, for the first time, the existence of nursery areas for Munk’s pygmy devil rays and the potential importance of shallow bays during early life stages for the conservation of this species.
format	article
author	Marta D. Palacios Edgar M. Hoyos-Padilla Abel Trejo-Ramírez Donald A. Croll Felipe Galván-Magaña Kelly M. Zilliacus John B. O’Sullivan James T. Ketchum Rogelio González-Armas
author_facet	Marta D. Palacios Edgar M. Hoyos-Padilla Abel Trejo-Ramírez Donald A. Croll Felipe Galván-Magaña Kelly M. Zilliacus John B. O’Sullivan James T. Ketchum Rogelio González-Armas
author_sort	Marta D. Palacios
title	Description of first nursery area for a pygmy devil ray species (Mobula munkiana) in the Gulf of California, Mexico
title_short	Description of first nursery area for a pygmy devil ray species (Mobula munkiana) in the Gulf of California, Mexico
title_full	Description of first nursery area for a pygmy devil ray species (Mobula munkiana) in the Gulf of California, Mexico
title_fullStr	Description of first nursery area for a pygmy devil ray species (Mobula munkiana) in the Gulf of California, Mexico
title_full_unstemmed	Description of first nursery area for a pygmy devil ray species (Mobula munkiana) in the Gulf of California, Mexico
title_sort	description of first nursery area for a pygmy devil ray species (mobula munkiana) in the gulf of california, mexico
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/4fd284cd1cb148a2869c06adeacbb2e8
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Description of first nursery area for a pygmy devil ray species (Mobula munkiana) in the Gulf of California, Mexico

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