Neotropical fish
Branchial receptors and cardiorespiratory reflexes in a neotropical fish, the tambaqui (Colossoma macropomum)
... a neotropical fish, the traira (Hoplias malabaricus), showed that the hypercarbia-induced increases in both breathing frequency and amplitude arose from receptors with a similar distribution to those that ...
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The role of branchial and orobranchial O2 chemoreceptors in the control of aquatic surface respiration in the neotropical fish tambaqui (Colossoma macropomum): progressive responses to prolonged hypoxia
... The neotropical fish tambaqui, Colossoma macropomum, is a hypoxia tolerant species that employs a variety of behavioral, morphological, physiological and biochemical mechanisms to adapt to widely ...
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Early ontogeny and swimming behavior of larvae of the neotropical fish Prochilodus costatus Valenciennes 1850 and Prochilodus argenteus Spix & Agassiz 1829 (Characiformes: Prochilodontidae)
... of fish larvae is important, as each species has a distinct pattern and location of chromatophore pigmentation that can be used in identification (Kendall, Ahlstrom, & Moser, ...
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Effects of Biodegradable Detergents in Morphological Parameters of Liver in Two Neotropical Fish Species (Prochilodus lineatus and Astyanax altiparanae)
... consequently, fish stocks; bearing in mind that in order to maintain normal fish metabolism, the essential metals are absorbed from the water or se- diments and can produce toxic effects when in excess ...
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Cytogenetic analysis in the neotropical fish Astyanax goyacensis Eigenmann, 1908 (Characidae, incertae sedis): karyotype description and occurrence of B microchromosomes
... contained 1 to 9 additional B microchromosomes varying intra- and inter-individually. Chromosome painting with a B chromosome-specific probe yielded signals for several B microchromosomes, with one exhibiting no ...
5
The basis of vagal efferent control of heart rate in a neotropical fish, the pacu, Piaractus mesopotamicus
... Barrett and Taylor (Barrett and Taylor, 1985a) showed that respiratory branches of cranial nerves V, VII, IX and X in S. canicula fire in a temporal sequence according to the rostro-caudal distribution of their ...
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Artificial reproduction of neotropical fish: Extrusion or natural spawning?
... prevent fish stress. The fish were under constant observation to evalu- ate behavior and note the spawning ...three fish maintained a syn- chronized swimming and their bodies became close and ...
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Demographic Expansion and Contraction in a Neotropical Fish during the Late Pleistocene Holocene
... Demographic changes during the late Pleistocene-Holocene left signatures in the DNA of contemporary populations. These signatures reveal demographic phenomena like the increase or decrease in effective population size. ...
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Extrabranchial chemoreceptors involved in respiratory reflexes in the neotropical fish Colossoma macropomum (the tambaqui)
... of fish, following the general preparation, the operculum was reflected forward, and a small incision (approximately ...from fish for which complete denervations could be ...
10
Ultrastructural and Morphometric Analysis of Gametes in Neotropical Teleost Fishes
... Abstract: This study was designed to identify and measure the gametes of neotropical fish using ultrastructural analysis. Number, shape and size of micropyle and ultrastructure of egg membrane and of the ...
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Are neotropical predictors of forest epiphyte–host relationships consistent in Indonesia?
... Abstract: Epiphytes represent keystone resources for many arthropod and vertebrate species, however their ecology remains poorly explored, especially within the palaeotropics. Several recent studies have examined ...
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Taxonomic revision of the Neotropical genus Oiovelia (Hemiptera: Heteroptera: Veliidae)
... the Neotropical genus Paravelia Breddin, 1898, differing from the latter mainly in the form of tarsomere III of all legs, which is expanded, with lateral margins slightly divergent ...
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A new Inocyclus species (Parmulariaceae) on the neotropical fern Pleopeltis astrolepis
... The host plant is Pleopeltis astrolepis, a member of a genus containing approximately 90 species and occurring primarily in the Americas, but also having species in Africa, India, an[r] ...
5
Acoustic and Visual Signals of Species Discrimination in Competing Neotropical Wrens
... When animals defend resources using territorial signals, they must distinguish between competitors and non-competitors. Conspecific animals routinely compete for resources and regularly engage in aggressive signaling ...
124
A monographic revision of the neotropical genus "Macrocarpaea" (Gentianaceae) in Ecuador
... Additionally, the most important neotropical collections of Gentianaceae are located at the New York Botanical Garden (NY) and the Missouri Botanical Garden (MO). Numerous visits and exchange of specimens with ...
111
Comparative bioacoustical studies on flight and buzzing of neotropical bees
... and neotropical orchid bees (Euglossini), Centridini and Augochlorini, among others, are able to vibrate flowers to collect pollen, but not the majority of the common tropical stingless honeybees (Meliponini) or ...
7
Metabarcoding advances for ecology and biogeography of Neotropical protists: what do
... understand the ecological and biogeographical patterns of the Neotropical protists. Together. 451[r] ...
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Biomechanics of Flight in Neotropical Butterflies: Aerodynamics and Mechanical Power Requirements
... Non-dimensional distance of the center of body mass from the wing base axis Body length Projected body length Body lift Body mass Inertial power requirements during the first half of a h[r] ...
24
Do neotropical migrant butterflies navigate using a solar compass?
... neotropical migrants. In addition to being essential to our understanding of the ecology and evolution of migration, research on the orientation mechanisms used by migratory butterflies may contribute to the ...
15
Montane and cloud forest specialists among neotropical Xylaria species
... of neotropical Xylaria species among Belize, Ecuador, the Guianas, Mexico, Puerto Rico and Venezuela to determine if there were neotropical taxa consistently found only in cloud forest or high montane ...
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