Results 211 to 220 of about 91,402 (351)
Abstract The tambaqui (Colossoma macropomum, G. Cuvier 1818) thrives both in the ion‐poor waters of the Amazon and in commercial aquaculture. In both, environmental conditions can be harsh due to low ion levels, occasional high salt challenges (in aquaculture), low pH, extreme PO2 levels (hypoxia and hyperoxia), high PCO2 levels (hypercapnia), high ...
Chris M. Wood +5 more
wiley +1 more source
Some Myrmecophilous Phoridæ From the Neotropical Region [PDF]
openaire +2 more sources
A revision of the parasitoid wasp genus <i>Dolichogenidea</i> Viereck (Hymenoptera, Braconidae) in the Neotropical region, with the description of 102 new species. [PDF]
Fernandez-Triana JL +6 more
europepmc +1 more source
Abstract The Amazonian loricariid fish Pterygoplichthys gibbiceps, from the Rio Negro, and Pterygoplichthys pardalis, from the Rio Solimões, are facultative air‐breathers that can use the stomach as an air‐breathing organ. Measurement of oxygen uptake under progressive aquatic hypoxia revealed a relatively high hypoxia resistance of both species.
Bernd Pelster +2 more
wiley +1 more source
Dickyyuellaargentinensis a tentative new genus and species of Cardiochilinae (Hymenoptera, Braconidae) from the Neotropical region. [PDF]
Kang I, Sharkey MJ.
europepmc +1 more source
Abstract This study aimed to identify geographical distribution patterns of the giant short‐tailed river stingray Potamotrygon brachyura and the motoro stingray Potamotrygon motoro in the Uruguay River basin. Data on presence/absence of stingrays were based on fishers' knowledge accessed by interviews through expeditions in Brazil, Argentina and ...
Danilo Araujo Soares Pereira +2 more
wiley +1 more source

