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Dermal lip protuberances associated with aquatic surface respiration in juveniles of the piscivorous characid Salminus brasiliensis (Actinopterygii: Characidae)
(Sociedade Brasileira de Ictiología, 2009-12)
Some South American freshwater fishes can improve their capability of aquatic surface respiration (ASR) by developing dermal lip protuberances in the lower jaw. This adaptation was thought to be limited to omnivorous or ...
Correlates of life-history variation in the livebearing fish Poecilia vivipara (Cyprinodontiformes: Poeciliidae) inhabiting an environmental gradient
(2019-02-28)
Understanding whether and how different habitat features affect patterns of life-history variation is an intriguing aim in evolutionary ecology. We tested how a suite of biotic and abiotic factors simultaneously affect ...
Biology of growth of Hoplias aff. malabaricus (Bloch, 1794) in a shallow pampean lake Argentina
(Sociedade Brasileira de Ictiologia, 2011-06)
The trahira Hoplias aff. malabaricus is a top predator in pampean shallow lakes and is highly appreciated by recreational anglers and artisanal fishermen. Trahira growth from Yalca shallow lake was determined by lepidological ...
First report of albinism in the South American catfish Imparfinis mirini (Siluriformes: Heptapteridae)
(Inst Biologia, Univ Nacional Autonoma Mexico, 2017-06-01)
Albinism is a genetic condition caused by an autosomal recessive gene that affects normal pigmentation in animals. In Neotropical freshwater fish fauna, albinism cases are extremely rare, with only 14 species recorded among ...
Trophic structure of a floodplain fish assemblage in the upper Amazon basin, Bolivia
(Universidad de Costa Rica, 2018)
Dieta invernal del cormorán imperial Phalacrocorax atriceps (Aves: Suliformes) en Bahía Caulín, Chiloé, sur de Chile
(Universidad de Valparaíso, 2019)
Bite force, cranial morphometrics and size in the fishing bat Myotis vivesi (Chiroptera: Vespertilionidae)
(Universidad de Costa Rica, 2018)