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Caracterización trófica de Orestias (Teleostei: Cyprinodontidae) en el Parque Nacional Lauca
(Universidad de Concepción. Facultad de Ciencias Naturales y Oceanográficas., 2015)
Los peces muestran una amplia diversidad de comportamientos alimentarios, algunas veces asociados con morfologías específicas, las cuales pueden reflejar adaptaciones para usar los recursos dependiendo de su hábitat. En los sistemas acuáticos...
Fish exhibit a wide diversity of feeding behaviors, sometimes associated with specifi c morphologies, which may refl ect adaptations to exploit the resources depending upon where they live. In isolated aquatic systems, fi sh provide a good model to study species trophic relationships. The present study evaluates the diet of fi ve species of Orestias which inhabit eight different sites of the Arica and Parinacota Region,Lauca National Park, Chile. We analyzed 177 stomachs of Orestias chungarensis, O.laucaensis, O.parinacotensis, O. piacotensis and Orestias cf agassii. For the analyses we used quantitative descriptors of number of prey items and frequency of occurrence. We analyzed the richness and abundance of prey,diet overlap by species and by location. We analyzed diet composition using an analysis of correspondence (DCA). The diet of Orestias consisted of zooplankton and macroinvertebrates associated with macrophytes such as Cladocera (Chydorus, Daphnia, Alonella), Ostracoda (Cyprinotus). Amphipoda (Hyalella), Mollusca (Biomphalaria) and Insecta (Chironomus). The variation in prey richness and diet amplitude observed among the studied populations of Orestias may refl ect an opportunist trophic strategy of these species, consuming the prey species which are most frequent, thus no showing trophic differentiation among them....
Fish exhibit a wide diversity of feeding behaviors, sometimes associated with specifi c morphologies, which may refl ect adaptations to exploit the resources depending upon where they live. In isolated aquatic systems, fi sh provide a good model to study species trophic relationships. The present study evaluates the diet of fi ve species of Orestias which inhabit eight different sites of the Arica and Parinacota Region,Lauca National Park, Chile. We analyzed 177 stomachs of Orestias chungarensis, O.laucaensis, O.parinacotensis, O. piacotensis and Orestias cf agassii. For the analyses we used quantitative descriptors of number of prey items and frequency of occurrence. We analyzed the richness and abundance of prey,diet overlap by species and by location. We analyzed diet composition using an analysis of correspondence (DCA). The diet of Orestias consisted of zooplankton and macroinvertebrates associated with macrophytes such as Cladocera (Chydorus, Daphnia, Alonella), Ostracoda (Cyprinotus). Amphipoda (Hyalella), Mollusca (Biomphalaria) and Insecta (Chironomus). The variation in prey richness and diet amplitude observed among the studied populations of Orestias may refl ect an opportunist trophic strategy of these species, consuming the prey species which are most frequent, thus no showing trophic differentiation among them....
Taxonomic identity of the forms of Orestias agassii (Teleostei: Cyprinodontidae) from Chile: A morphological comparison with the syntypes of the species of Peru and Bolivia
(2014)
. This study was fi nanced by FONDECYT
1110243, CONICYT 21120972, Programa de Cooperación
Internacional CONICYT grants ECOS-CONICYT C10B02
and REDES130016. This study was authorized SUBPESCA,
R.E. #1042 and #2231.
BIBLIOGRAPHY
ARRATIA, G. 1982. Peces del...
: Cyprinodontidae): nomenclatural errors in the assignation of species names. Zootaxa 3746 (4): 597-599. DE LA BARRA, E., MALDONADO M., CARVAJAL-VALLEJOS F. & CORONEL J. 2009. Los peces del género Orestias (Cyprinodontiformes, Cyprinodontidae) en la Puna...
: Cyprinodontidae): nomenclatural errors in the assignation of species names. Zootaxa 3746 (4): 597-599. DE LA BARRA, E., MALDONADO M., CARVAJAL-VALLEJOS F. & CORONEL J. 2009. Los peces del género Orestias (Cyprinodontiformes, Cyprinodontidae) en la Puna...
Threatened fishes of the world: Orestias ascotanensis Parenti, 1984 (Cyprinodontidae)
(Springer, 2007)
management of the
remaining isolated populations as genetically-
distinct forms to increase numbers.
Acknowledgements This work was supported by grant
MULT 05/04-2 Universidad de Chile and ICM P05-002.
References
Arratia G (1982) Peces del Altiplano de Chile...
The genus Basilichthys (Teleostei: Atherinopsidae) revisited along its Chilean distribution range (21° to 40° S) using variation in morphology and mtDNA
(Sociedad de Biología de Chile, 2012)
peces de aguas continentales de Chile. Publicación
Ocasional Museo Nacional de Historia Natural
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AVISE JC (2000) Phylogeography: The histor y and
formation of species. Harvard University Press,
Cambridge, Massachussets, USA...
chilenas del género Basilichthys (Peces: Atherinidae). Doctoral Thesis, Facultad de Ciencias, Universidad de Chile, Santiago, Chile. GAJARDO GM (1988) Genetic di vergence and speciation in Basilichthys microlepidotus (Jenyns, 1842) and B. australis...
chilenas del género Basilichthys (Peces: Atherinidae). Doctoral Thesis, Facultad de Ciencias, Universidad de Chile, Santiago, Chile. GAJARDO GM (1988) Genetic di vergence and speciation in Basilichthys microlepidotus (Jenyns, 1842) and B. australis...
Head morphometry of Orestias (Cyprinodontiformes). Response to extreme Southern Altiplano systems?
(Springer, 2020)
;Auckland
Arratia G (1982) Peces del Altiplano de Chile. In: Veloso A,
Bustos E (eds) El hombre y los ecosistemas de montaña
MAB-6. El ambiente natural y las poblaciones humanas de
Los Andes del Norte Grande de Chile, Volumen I. La
vegetación y los vertebrados...
Titicaca. J Fish Biol 74(3):502–520 Mann G (1954) Vida de los peces en aguas chilenas. Ministerio de Agricultura. Universidad de Chile. Imprenta y Litografía Stanley. Santiago. Chile, pp 342 Márquez-GarcíaM, Vila I, Hinojosa Lf, MéndezMA, Carvajal JL...
Titicaca. J Fish Biol 74(3):502–520 Mann G (1954) Vida de los peces en aguas chilenas. Ministerio de Agricultura. Universidad de Chile. Imprenta y Litografía Stanley. Santiago. Chile, pp 342 Márquez-GarcíaM, Vila I, Hinojosa Lf, MéndezMA, Carvajal JL...
Embryological development of the high-altitude killifish Orestias ascotanensis Parenti 1984 (Teleostei: Cyprinodontidae)
(Springer Netherlands, 2019)
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Carrillo M, Rodriguez J (2001) Bases fisiológicas de la
reproducción de peces tropicales. In: Rodriguez H, Victoria
O, Carrillo M (eds) Fundamentos de acuicultura continental.
Instituto Nacional de Pesca y Acuicultura, Colombia, pp
189...
(2008) Ecología de la reproducción y potencial reproductivo en las poblaciones de peces marinos. Instituto de Investigaciones marinas (CSIC), Universidad de Vigo, España Tyler CR, Sumpter JP (1996) Oocytes growth and development in teleost. Rev Fish Biol...
(2008) Ecología de la reproducción y potencial reproductivo en las poblaciones de peces marinos. Instituto de Investigaciones marinas (CSIC), Universidad de Vigo, España Tyler CR, Sumpter JP (1996) Oocytes growth and development in teleost. Rev Fish Biol...
Meristic and morphological differentiation of Orestias species (Teleostei; Cyprinodontiformes) from the southern Altiplano
(Springer, 2020)
:939–951
References
Arratia G (1982). Peces del Altiplano de Chile. In: Veloso A,
Bustos E (eds) El hombre y los ecosistemas de montaña
MAB-6. El ambiente natural y las poblaciones humanas de
Los Andes del Norte Grande de Chile, Volumen I. La
vegetación y los...
historia de los peces chilenos. Los Cyprinodóntidos del género Orestias Val. 1839 (Teleostei: Cyprinodontidae) del altiplano chileno. Medio Ambiente 13:119–126 Wainwright PC (1991) Ecomorphology: experimental functional anatomy for ecological problems. Am...
historia de los peces chilenos. Los Cyprinodóntidos del género Orestias Val. 1839 (Teleostei: Cyprinodontidae) del altiplano chileno. Medio Ambiente 13:119–126 Wainwright PC (1991) Ecomorphology: experimental functional anatomy for ecological problems. Am...
Phylogenetic and phylogeographic analysis of the genus Orestias (Teleostei: Cyprinodontidae) in the southern Chilean Altiplano: the relevance of ancient and recent divergence processes in speciation
(The Fisheries Society of the British Isles, 2013)
of the
Altiplano-Puna plateau of the central Andes. Annual Review of Earth and Planetary
Sciences 25, 139–174.
Arratia, G. (1982). Peces del Altiplano de Chile. In El ambiente natural y las poblaciones
humanas de los Andes del norte grande de Chile (Arica, lat. 18...
Microbial diversity and trophic components of two high altitude wetlands of the Chilean Altiplano
(Universidad de Concepción, Facultad de Ciencias Naturales y Oceanográficas, 2015)
and then forms the
Caya wetland. Further downstream, the system drains the
Lirima plains where it forms the Lirima wetland. This river
incluyeron macrófi tas, plancton, bentos, peces, anfi bios y aves. Este artículo descriptivo destaca las inusuales...