Results 91 to 100 of about 1,598 (193)

Cytogenetic analyses of two endemic fish species from the São Francisco River basin: Conorhynchus conirostris and Lophiosilurus alexandri (Siluriformes)

open access: yesGenetics and Molecular Biology, 2008
Two Siluriformes species endemic to the São Francisco River basin were characterized by conventional and differential cytogenetic analyses involving C-banding, Ag-nucleolar organizer region (NOR) and chromomycin A3 (CMA3) staining, and FISH (fluorescent ...
Marilza Barbosa de Almeida Marques   +3 more
doaj   +1 more source

FIGURE 3 in A new species of Pimelodus LaCépède, 1803 (Siluriformes: Pimelodidae) from rio Itacaiunas, rio Tocantins basin, Brazil

open access: yes, 2010
FIGURE 3. Partial map of South America showing the type locality of Pimelodus luciae. Black circle showing the type locality.Published as part of Rocha, Marcelo Salles & Ribeiro, Frank Raynner V., 2010, A new species of Pimelodus LaCépède, 1803 ...
Rocha, Marcelo Salles   +2 more
core   +1 more source

Desenvolvimento de larvas de Steindachneridion sp. em diferentes condições de refúgio e luminosidade Development of larvae of Steindachneridion sp. under different conditions of refuge and luminosity

open access: yesPesquisa Agropecuária Brasileira, 2006
Avaliou-se a influência da luminosidade e do uso de refúgios no desenvolvimento inicial de larvas de surubim do Iguaçu (Steindachneridion sp. Garavello) (Siluriforme: Pimelodidae). Utilizaram-se 1.000 larvas com peso e comprimento inicial de 62,2 mg e 18,
Aldi Feiden   +3 more
doaj   +1 more source

Identificación molecular de larvas de peces de la familia Pimelodidae con énfasis en grandes bagres, en los ríos Marañón y Nanay. Iquitos-Perú; [PDF]

open access: yes, 2010
Identifica a nivel molecular larvas de peces de la familia Pimelodidae con énfasis en grandes bagres mediante el secuenciamiento nucleotídico de la región control (DD-loop) del genoma mitocondrial ...
Vásquez García, Gian Carlo
core  

Fishes from the Itapecuru River basin, State of Maranhão, northeast Brazil

open access: yesBrazilian Journal of Biology
The Itapecuru is a relatively large river in the northeastern Brazilian state of Maranhão. During several expeditions to this basin, we collected 69 fish species belonging to 65 genera, 29 families and 10 orders.
MC Barros, EC Fraga, JLO Birindelli
doaj   +1 more source

Ontogenetic development of the pectoral fin spine of Calophysus macropterus Muller & Troschel 1843 (Pimelodidae-Siluriformes)

open access: yes, 2023
The pectoral fin spines of Siluriformes have a wide morphological variation, with great importance in the taxonomy of many groups. The characteristic and morphologically variable pectoral fin spine of catfish (order Siluriformes) has been well ...
Souza, Elson Gustavo Oliveira de
core  

Fig. 2 in A new species of Pimelodus LaCépède, 1803 (Siluriformes: Pimelodidae) from the rio São Francisco drainage, Brazil

open access: yes, 2006
Fig. 2. Pimelodus pohli, new species. Paratype, rio Empoeirado, rio São Francisco drainage, Minas Gerais, Brazil (MCP 16668, 85.3 mm SL).Published as part of Ribeiro, Frank Raynner V.
de Lucena, Carlos Alberto S.   +1 more
core   +1 more source

Diagnostic imaging of injuries caused by venomous and traumatogenic catfish

open access: yesRevista da Sociedade Brasileira de Medicina Tropical
: Injuries caused by fish are common in marine and freshwater environments. Catfish of the Ariidae and Pimelodidae families cause about 80% of those injuries.
Marcos Mendes de Barros Negreiros   +6 more
doaj   +1 more source

FIGURE 5 in Morphological development of Hypophthalmus fimbriatus and H. marginatus post-yolk-sac larvae (Siluriformes: Pimelodidae)

open access: yes, 2008
FIGURE 5. Body proportions for larvae of Hypophthtalmus fimbriatus and H. marginatus in relation to head width: a) head length; b) body depth; c) pre-pectoral distance; d) pre-dorsal distance; and e) pre-anal distance.Published as part of Oliveira ...
Bialetzki, Andréa (5192839)   +5 more
core   +1 more source

Fig. 3 in A new species of Pimelodus La Cépède, 1803 (Siluriformes: Pimelodidae) from rio Ribeira de Iguape basin, Brazil

open access: yes, 2011
Fig. 3. Drainage map of the rio Ribeira de Iguape basin, showing geographic distribution of Pimelodus multicratifer. Type locality represented by square. Some symbols represent more than one lot of specimens.Published as part of Ribeiro, Frank Raynner V.,
de Lucena, Carlos Alberto S.   +2 more
core   +1 more source

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