Freshwater fishes
Identifying Canadian freshwater fishes through DNA barcodes.
... American freshwater fish species analysed here exhibit a similar pattern of genetic diversity at COI, each being a single cluster of tightly related mtDNA sequences distinct from all other ...isolated ...
8
On the origin and diversification of Venezuelan freshwater fishes: the genus
... many freshwater fishes suitable for studying the influence of vicariant fractioning on isolated populations, in particular, species of the genus Gephyrocharax (Characidae, Stevardiinae; Weismann et ...
10
Distributions and phylogeographic data of rheophilic freshwater fishes provide evidences on the geographic extension of a central-brazilian amazonian palaeoplateau in the area of the present day Pantanal Wetland
... affect freshwater fishes distribution? Is this phenomenon still recognized in the present-day distributional patterns of freshwater fishes of the upper rio Paraguay basin and neighboring ...
8
Tectonic history and the biogeography of the freshwater fishes from the coastal drainages of eastern Brazil: an example of faunal evolution associated with a divergent continental margin
... The eastern Brazilian coastal drainages are of great biogeographical significance, because of their highly endemic fish faunas. Phylogenetic patterns suggest a close biotic relationship between the rivers that flow into ...
22
Scolex Morphology of Proteocephalid Cestodes Parasites of Neotropical Freshwater Fishes
... The purpose of this study is to provide data in order to characterize the proteocephalid scolex and metascolex of the species described from South American freshwater fishes. This is justified be- cause ...
16
Priocharax nanus, a new miniature characid from the rio Negro, Amazon basin (Ostariophysi: Characiformes), with an updated list of miniature Neotropical freshwater fishes
... Neotropical freshwater fishes is still represented by the Characiformes (87 species, comprising ...Neotropical freshwater fishes are now represented in the families Characidae, Crenuchidae, ...
18
First record of Palombitrema triangulum (Suriano, 1981) Suriano, 1997 (Monogenea: Dactylogyridae) from freshwater fishes in Brazil
... This study reports for the first time the monogenean Palombitrema triangulum Suriano (1981) in freshwater fishes from Brazil, highlighting new sites of infection for this helminth and some morphological ...
5
Fungal Infections in Some Economically Important Freshwater Fishes
... Fayioye et al. (2008) isolated five different species of fungi including Fusarium, Aspergillus, Rhizopus, Mucor, and Penicillum from 8 edible smoke-dried freshwater fishes. Junaid et al. (2010) isolated 7 ...
5
A remarkable sand-dwelling fish assemblage from central Amazonia, with comments on the evolution of psammophily in South American freshwater fishes
... The position of Mastiglanis asopos in the streamlet chan- nel is related to its foraging behaviour, as more particles would be carried through the portion with stronger water flow. Simi- lar situation is described for ...
12
Trichodina nobilis Chen, 1963 and Trichodina reticulata Hirschmann et Partsch, 1955 from ornamental freshwater fishes in Brazil
... DOVE, ADM. and DONOGHUE, PJO., 2005. Trichodinids (Ciliophora: Trichodinidae) from Native and Exotic Australian Freshwater Fishes. Acta Protozoologica, vol. 44, p. 51-60. FERRAZ, E., 1999. Management and ...
6
Cobalt Chloride Treatment Used to Ablate the Lateral Line System Also Impairs the Olfactory System in Three Freshwater Fishes.
... Fishes use multimodal signals during both inter- and intra-sexual displays to convey infor- mation about their sex, reproductive state, and social status. These complex behavioral dis- plays can include visual, ...
26
MATERIALS AND METHODS Collection of samples, Isolation and Identification of
... Occurrence of multiple antibiotic resistant Aeromonas hydrophila isolated from marketed fish and shrimp samples. Disease of freshwater fishes caused by bacteria of the genera Aero[r] ...
6
Changes in the electrophysiological parameters of the posterior intestine of Anguilla anguilla (Pisces) induced by
... of freshwater fishes, we determined the effects of oxytocin, urotensin II (UII), and aldosterone added to the serosal side of the isolated poste- rior intestine of the freshwater-adapted teleost ...
5
Especiação e biogeografia nos gêneros Glandulocauda Eigenmann e Mimagoniates Regan...
... Phylogenetic biogeography of the Glandulocaudini (Teleostei: Characiformes, Characidae) with comments on the distributions of other freshwater fishes in eastern and southeastern Brazil[r] ...
69
Feeding and social behavior of the piabanha, Brycon devillei (Castelnau, 1855) (Characidae: Bryconinae) in the wild, with a note on following behavior
... wild freshwater fishes in Brazil is restricted to a few studies, despite such studies being able to answer fundamental questions about ...among freshwater fishes, especially between ...
8
A history of the biogeography of Amazonian fishes
... the fishes of the Para- guay to the enormous and diversified fauna of the Amazon indicates their origin from the Amazonian ...the fishes of the Amazon basin have had access to the Paraguay basin (Pearson, ...
19
Phylogenetic interrelationships of ginglymodian fishes (Actinopterygii: Neopterygii).
... actinopterygian fishes from the Middle Triassic of northern Italy and the Canton Ticino (Switzerland), Lombardo [52] argued that the genus {Perleidus should be restricted to the type species ...
44
Mechanisms of pigmentation loss in subterranean fishes
... The most frequent and conspicuous autapomorphies of troglobites are the reduction, till complete loss, of visual organs and dark pigmentation (melanin, in vertebrates). In view of their structural complexity, it is not ...
6
Cytogenetical studies in five Atlantic Anguilliformes fishes
... Figure 2 - Karyotype of Gymnothorax miliaris after: (a) Giemsa conven- tional staining, Inbox, the NOR-bearing pair; (b) C-banding, Non-poly- morphic (c-d) and polymorphic (e) heterochro[r] ...
8
Peixes de Costão Rochoso : Reserva Biológica Marinha do Arvoredo (Brasil) e Arquipélago dos Açores (Portugal)
... Although species lists have a limited comparative value in local-scale biodiversity assessments, due to difficulties in interpreting levels and distribution of sampling efforts (Bunge & Fitzpatrick 1993, Colwell ...
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