Results 11 to 20 of about 530 (128)

Centrolene ritae Lutz is a senior synonym of Cochranella oyampiensis Lescure and Cochranella ametarsia Flores (Anura: Centrolenidae)

open access: yesACI Avances en Ciencias e Ingenierías, 2013
A detailed comparison of all characters described for Centrolene ritae Lutz shows that it is a senior synonym of Cochranella oyampiensis Lescure and Centrolenella ametarsia Flores. The holotype of C. ametarsia is designated as neotype of C. ritae.
Diego F. Cisneros-Heredia
doaj   +5 more sources

Thermal tolerance in anuran embryos with different reproductive modes: relationship to altitude. [PDF]

open access: yesScientificWorldJournal, 2013
Anurans are ectothermic animals very sensitive to temperature, mainly during the embryonic stage. In addition, environmental temperature decreases with altitude, and the amphibian fauna changes. Therefore, we studied the relationship between the embryonic thermal tolerances of twelve species of anurans and the temperatures of their microhabitat along ...
Bernal MH, Lynch JD.
europepmc   +2 more sources

Low reproductive skew despite high male-biased operational sex ratio in a glass frog with paternal care. [PDF]

open access: yesBMC Evol Biol, 2015
Background Reproductive skew, the uneven distribution of reproductive success among individuals, is a common feature of many animal populations. Several scenarios have been proposed to favour either high or low levels of reproductive skew.
Mangold A   +4 more
europepmc   +3 more sources

Evolutionary trade-offs between testes size and parenting in Neotropical glassfrogs. [PDF]

open access: yesProc Biol Sci
In males, large testes size signifies high sperm production and is commonly linked to heightened sperm competition levels. It may also evolve as a response to an elevated risk of sperm depletion due to multiple mating or large clutch sizes.
Valencia-Aguilar A   +4 more
europepmc   +6 more sources

Redescripción de Cochranella megista (Rivero, 1985) y ampliación de la distribución de nueve ranas de cristal (Anura: Centrolenidae) en Colombia

open access: yesPapeis Avulsos De Zoologia, 2008
En 1980, Marco Antonio Serna colectó dos ejemplares de una inusual rana de cristal en el noroccidente del Departamento de Antioquia, Colombia. Dichos ejemplares exhibían algunas características sobresalientes entre las cuales llamó la atención su gran ...
Marco Rada, Juan M Guayasamin
exaly   +3 more sources

Unearthing the Fossorial Tadpoles of the Indian Dancing Frog Family Micrixalidae. [PDF]

open access: yesPLoS One, 2016
Tadpoles of the monotypic Indian dancing frog family Micrixalidae have remained obscure for over 125 years. Here we report the discovery of the elusive tadpoles of Micrixalus herrei from the sand beds of a forested stream in southern Western Ghats, and ...
Senevirathne G   +4 more
europepmc   +5 more sources

Cyanosis by methemoglobinemia in tadpoles of Cochranella granulosa (Anura: Centrolenidae)

open access: yesRevista de Biología Tropical, 2010
Tadpoles inhabit generally well oxygenated rivers and streams, nevertheless they were found in areas with limited oxygen availability inside the rivers.
Heinz Hoffmann
doaj   +8 more sources

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