"Allozyme and cytogenetic analysis in two species of Hypostomus (Siluriformes: Loricariidae) from the Paraguai River basin, Brazil: occurrence of B microchromosome and intrapopulation heterochromatic polymorphism in H. boulengeri"
Paiva, S.de; Porto, F.E.; Codognotto, F.J.; Fernandes, C.A.; Rossi, M.M.V.; Borin-Carvalho, L.A.; Brito Portela-Castro, A.L. de; Zawadzki, C.H.; Renesto, E. & Martins-Santos,"Allozyme and cytogenetic analysis in two species of Hypostomus (Siluriformes: Loricariidae) from the Paraguai River basin, Brazil: occurrence of B microchromosome and intrapopulation heterochromatic polymorphism in H. boulengeri"
Neotropical Ichthyology
Vol. 22 No 2, 2024
Species
Country
Origin
Country
Origin

Length
(cm)
(cm)
AQ
(cm)
(cm)
T.
(°C)
(°C)
Bree
ding
ding
Hypostomus cochliodon (LDA 51)
Cochliodon cochliodon (LDA 51)
Kner, 1854
Argentina, Bolivia, Brazil, Paraguay
río Paraguay-, río Parana-Einzug, rio Cuiabá, rio do Bugre, rio Jauru, rio Paraguai, arroyo Ytyguazu, río Apa, río Aquidaban, río Jejui, río Ypané, río Bermejo
(Mato Grosso, Mato Grosso do Sul, Misiones, Corrientes)
Cochliodon cochliodon (LDA 51)
Kner, 1854
Argentina, Bolivia, Brazil, Paraguay
río Paraguay-, río Parana-Einzug, rio Cuiabá, rio do Bugre, rio Jauru, rio Paraguai, arroyo Ytyguazu, río Apa, río Aquidaban, río Jejui, río Ypané, río Bermejo
(Mato Grosso, Mato Grosso do Sul, Misiones, Corrientes)
30
150
20 - 27
unknown
Hypostomus boulengeri
Eigenmann & Kennedy, 1903
Argentina, Bolivia, Brazil, Paraguay
río Montelinde, río Paraguay, río Aguaray Guazú, río Negro, río Bermejo
(Asunción, Corrientes, Mato Grosso, Mato Grosso do Sul, San Pedro, Chaco, Formosa, Santa Cruz, Alto Paraguay)
Eigenmann & Kennedy, 1903
Argentina, Bolivia, Brazil, Paraguay
río Montelinde, río Paraguay, río Aguaray Guazú, río Negro, río Bermejo
(Asunción, Corrientes, Mato Grosso, Mato Grosso do Sul, San Pedro, Chaco, Formosa, Santa Cruz, Alto Paraguay)
30
150
22 - 28
unknown
2 entries found.
Many thanks to
for the pictures
H. P. Risch
1
Ingo Seidel
2
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