Results 91 to 100 of about 12,829 (213)

Bryconamericus macarenae n. sp. (Characiformes, Characidae) from the Güejar River, Macarena mountain range, Colombia [PDF]

open access: yes, 2010
Bryconamericus macarenae sp. n. (Characiformes, Characidae) del río Güejar, sierra de La Macarana, Colombia Basándonos en 174 especímenes y utilizando características morfométricas, merísticas y osteológicas describimos una nueva especie ...
García-Alzate, C.   +3 more
core  

Megalocytivirus: A Review of Epidemiology, Pathogenicity, Immune Evasion, and Prevention Strategies

open access: yesReviews in Aquaculture, Volume 17, Issue 3, June 2025.
ABSTRACT Megalocytivirus, a large double‐stranded DNA virus belonging to the Iridoviridae family, has infected over 100 species of fish, leading to significant economic losses in the aquaculture, food, and ornamental fish industries. These viruses exhibit icosahedral symmetry and have diameters ranging from 120 to 200 nm.
Changjun Guo   +4 more
wiley   +1 more source

Comparative morphology of gill glands in externally fertilizing and inseminating species of cheirodontine fishes, with implications on the phylogeny of the family Characidae (Actinopterygii: Characiformes)

open access: yesNeotropical Ichthyology, 2012
The structure and form of gill gland among inseminating and externally fertilizing species of the Cheirodontinae are described under light microscopy, scanning electron microscopy, and transmission electron microscopy, and compared to other members of ...
Cristina L. C. de Oliveira   +2 more
doaj  

On some species of Astyanax reported erroneously from Argentina [PDF]

open access: yes, 2015
Several species of Astyanax have been reported from Argentina which currently are considered not to be distributed so far South or whose identity as Astyanax is doubtful.
Koerber, Stefan, Mirande, Juan Marcos
core  

Two new species of Creptotrema (Digenea: Allocreadiidae) from South America Dos especies nuevas de Creptotrema (Digenea: Allocreadiidae) de América del Sur

open access: yesRevista Mexicana de Biodiversidad, 2008
Two new digenean species belonging in Creptotrema Travassos, Artigas and Pereira, 1928 are described from specimens stored in the invertebrate collection at the Museum of Natural History, Geneva, Switzerland. Creptotrema lamothei n. sp. is described from
Stephen S. Curran
doaj  

Morphology, molecules and the phylogeny of Characidae (Teleostei, Characiformes) [PDF]

open access: yesCladistics, 2018
AbstractThis is the most comprehensive phylogenetic analysis of the Characidae to date and the first large‐scale hypothesis of the family, combining myriad morphological data with molecular information. A total of 520 morphological characters were analysed herein, of which 98 are newly defined.
openaire   +3 more sources

Bibliografía de los peces de agua dulce de la Argentina Suplemento 1996-2002. [PDF]

open access: yes, 2003
Between 1981 and 1995, we published five bibliographic lists (López et al., 1981, 1982,1987, 1989 y 1995) that included the publications referred to Argentine freshwater fishes and related general information published since Ringuelet et al. (1967).
Battistoni, Patria A.   +3 more
core  

The status of Brycon labiatus STEINDACHNER 1880 (Pisces, Characoidei) and its synonym, Othonophanes labiatus (STEINDACHNER 1880)

open access: yes, 1983
In the description and assignment of the name to Brycon labiatus, later called Othonophanes labiatus, the typical distinguishing characteristic was reported to be a dermal enlargement of characteristic form in the mid-dental region (Fig. 1, 2). Brycon cf.
Braum, E.
core  

Catálogo de ejemplares tipo de la colección ictiológica del Museo de La Plata. Adenda 2015 [PDF]

open access: yes, 2015
Fil: Miquelarena, Amalia María. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Nadalin, Diego Oscar. División Zoología Vertebrados.
Miquelarena, Amalia María   +1 more
core  

Fauna parasitária de peixes oriundos de “pesque-pague” do município de Guariba, São Paulo, Brasil = Parasitic fauna of cultivated fishes in fee fishing farm of Guariba, São Paulo State, Brazil

open access: yesActa Scientiarum: Biological Sciences, 2006
Este trabalho descreve a ocorrência e a sazonalidade de parasitos em peixes de “pesque-pague” do município de Guariba, Estado de São Paulo, Brasil (21o15`22``S, 48o18`58``W e 595 m de altitude), durante o período de agosto de 2001 a julho de 2002.
Sergio Henrique Canello Schalch   +2 more
doaj  

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