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Chromosomal painting and ZW sex chromosomes differentiation in Characidium (Characiformes, Crenuchidae) [PDF]

open access: yesBMC Genetics, 2011
Background The Characidium (a Neotropical fish group) have a conserved diploid number (2n = 50), but show remarkable differences among species and populations in relation to sex chromosome systems and location of nucleolus organizer regions (NOR).
Artoni Roberto F   +10 more
doaj   +7 more sources

Evolution and conservation of Characidium sex chromosomes. [PDF]

open access: yesHeredity (Edinb), 2017
Fish species exhibit substantial variation in the degree of genetic differentiation between sex chromosome pairs, and therefore offer the opportunity to study the full range of sex chromosome evolution. We used restriction-site associated DNA sequencing (
Utsunomia R   +13 more
europepmc   +7 more sources

Characidium Reinhardt 1867

open access: yes, 2020
Key to the Characidium species from the trans-Andean basins of Colombia 1a. Isthmus and chest lacking scales........................................... Characidium cf. boavistae (Figs. 2k, l) 1b.
Taphorn, Donald C.   +2 more
core   +2 more sources

Characidium Reinhardt

open access: yes, 2006
<p>[[Genus Characidium Reinhardt]]</p> <p>This new species of Characidium Reinhardt, 1867, brings the total for the genus to about 50 valid species (Buckup, 2003).
Donald C. Taphorn B.   +2 more
core   +2 more sources

Characidium Reinhardt 1867

open access: yes, 2019
<p> Genus <i>Characidium</i> Reinhardt, 1867</p> <p>REMARK</p> <p> An undetermined morphospecies (<i>Characidium</i> sp., [Fig. 5]) is known from the Maroni drainage basin.
Sébastien Brosse   +2 more
core   +2 more sources

Characidium lauroi Travassos 1949

open access: yes, 2019
<i>Characidium lauroi</i> Travassos, 1949 <p>Figure 2F</p> <p>Geographic distribution: Upper reaches of Paraíba do Sul tributaries.</p> <p> Diagnosis: <i>Characidium lauroi</i> differs from
Buckup, Paulo Andreas, de Brito, Victor
core   +3 more sources

Characidium vidali Travassos 1967

open access: yes, 2019
Characidium vidali Travassos, 1967 Figure 2H Geographic distribution: Coastal rivers between Guanabara bay and Paraíba do Sul river basins. Diagnosis: Characidium vidali can be distinguished from C.
Buckup, Paulo Andreas, de Brito, Victor
core   +3 more sources

FIGURE 1 in Description of a new species of Characidium Reinhardt, 1867 (Characiformes: Crenuchidae) from the Chapada Diamantina, Bahia, and redescription of Characidium bimaculatum Fowler, 1941

open access: yesZootaxa, 2016
FIGURE 1. Characidium clistenesi, sp. nov, holotype (MZUSP 120530, 27.4 mm SL, male) in (A) lateral, (B) dorsal, and (C) ventral views.Published as part of Melo, Marcelo R. S.
Melo, Marcelo R. S.   +5 more
core   +4 more sources

Characidium Armbruster & Lujan & Bloom 2021

open access: yes, 2021
KEY TO SPECIES OF THE FAST-WATER CHARACIDIUM OF THE GUIANA SHIELD 1a. Twelve circumpeduncular scales. Dorsal fin falcate with a medial dark band and terminal white band (Figs. 4, 5).
Bloom, Devin D.   +2 more
core   +3 more sources

Characidium summus Zanata & Ohara, 2015, new species

open access: yes, 2015
Characidium summus, new species (Fig. 1 a) Holotype. MZUSP 116954, 34.5 mm SL, Brazil, Rondônia, Guajará-Mirim, upper rio Pacaás Novos, tributary of rio Mamoré, rio Madeira basin, 10 º 50 ' 46.29 "S 63 º 37 ' 47.29 "W, D. Hungria & A.C.
Zanata, Angela M., Ohara, Willian M.
core   +3 more sources

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