Results 261 to 270 of about 18,147 (299)
Weighted parsimony phylogeny of the family Characidae (Teleostei: Characiformes) [PDF]
Cladistics, 2009 AbstractThe family Characidae, including more than 1000 species, lacks a phylogenetic diagnosis, with many of its genera currently considered as incertae sedis. The aims of the present study are to propose a phylogenetic diagnosis and to assess higher‐level relationships of and within Characidae. In this regard, 360 morphological characters are studied
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2009
Characidae The largest characiform family, characids are abundant in several environments throughout the Neotropical region. Because of their heterogeneous nature, the species are arranged in several subfamilies in addition to many genera incertae sedis, following Lima et al. (2003). In the present study, the characids are presented jointly.
Júnior, Horácio Ferreira Júlio +3 more
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Characidae The largest characiform family, characids are abundant in several environments throughout the Neotropical region. Because of their heterogeneous nature, the species are arranged in several subfamilies in addition to many genera incertae sedis, following Lima et al. (2003). In the present study, the characids are presented jointly.
Júnior, Horácio Ferreira Júlio +3 more
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Zoological Journal of the Linnean Society
Neotropical tetras of the family Characidae form the largest and most taxonomically complex clade within the order Characiformes. Previous phylogenetic relationships concur on the recognition of four major subclades, whereas knowledge on intergeneric ...
B. F. Melo +12 more
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Neotropical tetras of the family Characidae form the largest and most taxonomically complex clade within the order Characiformes. Previous phylogenetic relationships concur on the recognition of four major subclades, whereas knowledge on intergeneric ...
B. F. Melo +12 more
semanticscholar +1 more source
Taxonomic review of the Hyphessobrycon panamensis species-group (Characiformes: Characidae).
Zootaxa, 2020A taxonomic review of the Hyphessobrycon panamensis species-group is presented, with recognition of six valid species. In Central America, H. panamensis was restricted to the drainages of both Atlantic and Pacific coasts of Panama; H.
R. R. Ota, F. Carvalho, C. S. Pavanelli
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Observations on tooth replacement in piranhas (Characidae)
Archives of Oral Biology, 1975Abstract Skeletal and preserved material from 15 piranha fish ( Characidae ) were examined radiographically and the heads of a further three specimens of body length 2.5–4.0 cm examined histologically. Such material revealed a close correlation in the stage of development between upper and lower dentitions on the same side of the jaws but the stage ...
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Phylogenetic Analysis and Redescription of the Genus Henochilus (Characiformes: Characidae) [PDF]
Copeia, 2004 Abstract Henochilus, a characiform genus endemic to eastern Brazil is reviewed. A single species, Henochilus wheatlandii, from the Rio Doce and possibly the Rio Mucuri in the states of Minas Gerais and Espirito Santo is recognized and redescribed. The phylogenetic analysis indicates that Henochilus is most closely related to the clade consisting of ...
Castro, Ricardo M. C. +3 more
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Acta Parasitologica, 2018
The present study describes Cacatuocotyle papilionis n. sp. (Monogenea, Dactylogyridae) from the skin of the characid fishes Astyanax lacustris (Lütken, 1875) (=Astyanax altiparanae Garutti & Britski, 2000) and Astyanax fasciatus (Cuvier, 1819 ...
Aline Cristina Zago +2 more
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The present study describes Cacatuocotyle papilionis n. sp. (Monogenea, Dactylogyridae) from the skin of the characid fishes Astyanax lacustris (Lütken, 1875) (=Astyanax altiparanae Garutti & Britski, 2000) and Astyanax fasciatus (Cuvier, 1819 ...
Aline Cristina Zago +2 more
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Schallerzeugung bei Piranhas (Serrasalminae, Characidae)
Zeitschrift f�r Vergleichende Physiologie, 19711. Piranhas (Serrasalmus nattereri Kner, S. rhombeus Linne, S. hollandi Eigenmann, S. striolatus Steindachner, S. elongatus Kner) erzeugen durch einen Schwimmblasenmechanismus mit paarigen externen Trommelmuskeln Schallsignale, wenn man sie festhalt. 2.
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Early development ofBrycon orthotaenia(Pisces: Characidae)
Zygote, 2011SummaryBrycon orthotaeniais an important fish for commercial and sport fishing and may reach 7 kg in body weight; it is endangered in some regions of Brazil's São Francisco River Basin. Breeders were subjected to spawning induction to analyse the early development; oocytes and semen were obtained by manual extrusion and fertilization was carried out ...
Rafael Zeferino Gomes +3 more
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