The effect of alpha males and shelter type on growth and survival of the longarm prawn Macrobrachium tenellum ()

ABSTRACT The longarm river prawn Macrobrachium tenellum is extensively exposed to artisanal fisheries in its distribution range and have culture potential. However, its aggressiveness and territorial behavior limits its management in captivity. Because of this, it is neccesary to evaluate the effect...

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Autores principales:	Santos-Romero,Rodolfo Benigno De los, García-Guerrero,Marcelo Ulises, Alpuche-Osorno,Juan José, Cortes-Jacinto,Edilmar
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar 2018
Materias:	Macrobrachium tenellum freshwater shrimp growth survival intraespecific relation morphotypes
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000300551
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spelling	oai:scielo:S0718-560X20180003005512018-08-22The effect of alpha males and shelter type on growth and survival of the longarm prawn Macrobrachium tenellum ()Santos-Romero,Rodolfo Benigno De losGarcía-Guerrero,Marcelo UlisesAlpuche-Osorno,Juan JoséCortes-Jacinto,Edilmar Macrobrachium tenellum freshwater shrimp growth survival intraespecific relation morphotypes ABSTRACT The longarm river prawn Macrobrachium tenellum is extensively exposed to artisanal fisheries in its distribution range and have culture potential. However, its aggressiveness and territorial behavior limits its management in captivity. Because of this, it is neccesary to evaluate the effect of alpha males on regular males, as well as different kinds of shelters, to find how this affects growth and survival. For this, an experimental design was established in order to determine the effect of thos issues on growth of cultured juvenile prawns. Growth of prawns with no alpha males had no significant differences (P > 0.05). However, the interaction between shelter type and the hierarchical males revealed statistical differences (P < 0.05) in comparison with the rest in terms of survival. It is suggested that the effects on growth and survival caused by the social hierarchy of prawns and the use of shelters are part of a wider range of interactions that may be related ecologically, ethologically, and physiologically.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del MarLatin american journal of aquatic research v.46 n.3 20182018-07-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000300551en10.3856/vol46-issue3-fulltext-8
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Macrobrachium tenellum freshwater shrimp growth survival intraespecific relation morphotypes
spellingShingle	Macrobrachium tenellum freshwater shrimp growth survival intraespecific relation morphotypes Santos-Romero,Rodolfo Benigno De los García-Guerrero,Marcelo Ulises Alpuche-Osorno,Juan José Cortes-Jacinto,Edilmar The effect of alpha males and shelter type on growth and survival of the longarm prawn Macrobrachium tenellum ()
description	ABSTRACT The longarm river prawn Macrobrachium tenellum is extensively exposed to artisanal fisheries in its distribution range and have culture potential. However, its aggressiveness and territorial behavior limits its management in captivity. Because of this, it is neccesary to evaluate the effect of alpha males on regular males, as well as different kinds of shelters, to find how this affects growth and survival. For this, an experimental design was established in order to determine the effect of thos issues on growth of cultured juvenile prawns. Growth of prawns with no alpha males had no significant differences (P > 0.05). However, the interaction between shelter type and the hierarchical males revealed statistical differences (P < 0.05) in comparison with the rest in terms of survival. It is suggested that the effects on growth and survival caused by the social hierarchy of prawns and the use of shelters are part of a wider range of interactions that may be related ecologically, ethologically, and physiologically.
author	Santos-Romero,Rodolfo Benigno De los García-Guerrero,Marcelo Ulises Alpuche-Osorno,Juan José Cortes-Jacinto,Edilmar
author_facet	Santos-Romero,Rodolfo Benigno De los García-Guerrero,Marcelo Ulises Alpuche-Osorno,Juan José Cortes-Jacinto,Edilmar
author_sort	Santos-Romero,Rodolfo Benigno De los
title	The effect of alpha males and shelter type on growth and survival of the longarm prawn Macrobrachium tenellum ()
title_short	The effect of alpha males and shelter type on growth and survival of the longarm prawn Macrobrachium tenellum ()
title_full	The effect of alpha males and shelter type on growth and survival of the longarm prawn Macrobrachium tenellum ()
title_fullStr	The effect of alpha males and shelter type on growth and survival of the longarm prawn Macrobrachium tenellum ()
title_full_unstemmed	The effect of alpha males and shelter type on growth and survival of the longarm prawn Macrobrachium tenellum ()
title_sort	effect of alpha males and shelter type on growth and survival of the longarm prawn macrobrachium tenellum ()
publisher	Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar
publishDate	2018
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2018000300551
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The effect of alpha males and shelter type on growth and survival of the longarm prawn Macrobrachium tenellum ()

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