Results 111 to 120 of about 19,313 (296)

A new species of Knodus Eigenmann (Characiformes: Characidae: Stevardiinae) with comments on nuptial tubercles and gill gland in characiform fishes

PLOS ONE, 2019
Knodus nuptialis n. sp. is described from the Rio Curuá drainage, Rio Xingu basin, Brazil. It can be diagnosed from its congeners by having dentary teeth decreasing gradually in size posteriorly, outer premaxillary teeth row with five cusps, 12-15 branched anal-fin rays and a single humeral spot.
Naércio A. Menezes, Manoela M. F. Marinho   +1 more
openaire   +3 more sources

Chromosomal Evolution and Evolutionary Relationships of Lebiasina Species (Characiformes, Lebiasinidae)

International Journal of Molecular Sciences, 2019
We present the first cytogenetic data for Lebiasina bimaculata and L. melanoguttata with the aim of (1) investigating evolutionary events within Lebiasina and their relationships with other Lebiasinidae genera and (2) checking the evolutionary ...
Francisco de Menezes Cavalcante Sassi, Ezequiel Aguiar de Oliveira, Luiz Antonio Carlos Bertollo, M. Nirchio, T. Hatanaka, Manoela Maria Ferreira Marinho, O. Moreira-Filho, R. Aroutiounian, T. Liehr, Ahmed B. H. Al-Rikabi, Marcelo de Bello Cioffi   +10 more
semanticscholar   +1 more source

Effect of photoperiod on ovarian maturation in Cheirodon interruptus (Teleostei: Characidae)

Brazilian Journal of Biology, 2018
Cheirodon interruptus is a ubiquitous small characid that inhabits the Pampean region and commonly used as bait. Its vast market is supplied from the wild population causing a significant environmental impact.
I. D. García, S. E. Plaul, D. Torres, P. S. Del Fresno, L. A. Miranda, D. C. Colautti   +5 more
doaj   +1 more source

Morphological, ultrastructural, and molecular analysis of a new species of Myxobolus (Cnidaria, Myxosporea) parasitizing Apareiodon piracicabae (Characiformes, Parodontidae) from Brazil

, 2022
Aline Cristina Zago, Diego Henrique Mirandola Dias Vieira, Lidiane Franceschini, Reinaldo José da Silva   +3 more
openalex   +2 more sources

Sex Chromosome Evolution and Genomic Divergence in the Fish Hoplias malabaricus (Characiformes, Erythrinidae)

Frontiers in Genetics, 2018
The Erythrinidae family (Teleostei: Characiformes) is a small Neotropical fish group with a wide distribution throughout South America, where Hoplias malabaricus corresponds to the most widespread and cytogenetically studied taxon. This species possesses
A. Sember, L. Bertollo, P. Ráb, C. F. Yano, T. Hatanaka, E. A. de Oliveira, M. Cioffi   +6 more
semanticscholar   +1 more source

Conteúdo Calórico de Músculos de Prochilodus Lineatus (Characiformes, Prochilodontidae) no Reservatório de Manso, Brasil [PDF]

, 2010
Com o objetivo de conhecer as variações intraespecíficas no conteúdo calórico, presentes em músculos de Prochilodus lineatus, foram analisados 118 espécimes durante o período de outubro 2002 a setembro 2003 no reservatório de Manso, Mato Grosso, Brasil ...
Benedito, Evanilde, Espínola, Luis Alberto, Marques Domingues, Wladimir, Pinheiro dos Santos, Erik Allan   +3 more
core  

Hyphessobrycon ocasoensis sp. n. (Teleostei, Characidae) una nueva especie para el Alto Cauca, Colombia [PDF]

, 2008
Hyphessobrycon ocasoensis n. sp. (Teleostei, Characidae) a new species from the Alto Cauca, Colombia Hyphessobrycon ocasoensis n. sp. (Characiformes, Characidae) from heterorhabdus group (Gery, 1977) is described from the upper Cauca River in Colombia.
García-Alzate, C. A., Román-Valencia, C.   +1 more
core  

Myxobolus sp. and Henneguya sp. (Cnidaria: Myxobolidae) natural co-infection in the kidney of Piaractus mesopotamicus(Characiformes: Serrasalmidae) [PDF]

, 2017
This study evaluated the myxozoan infection and histopathology of the kidney of freshwater fish Piaractus mesopotamicus from intensive fish farming in Brazil. A total of 55 fish were examined for myxozoan infection.
Belo, M. A. A., Figueiredo, M. A. D., Manrique, W. G., Martins, M. L., Molnár, Kálmán   +4 more
core   +1 more source

[A new fish species Hemibrycon (Characiformes: Characidae)].

Revista de biologia tropical, 2008
Hemibrycon pautensis (Characiformes, Characidae), a new fish species from Paute River, eastern Ecuador is described. Diagnostic characteristics: eight to nine branched rays in the dorsal fin (vs. six to seven), and 27 - 28 in the anal fin (vs. 16 - 26, except in H. dariensis which presents 22 - 27, in H. metae 26 - 31 and H.
César, Román-Valencia, Raquel I, Ruiz, Ramiro, Barriga   +2 more
openaire   +2 more sources

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

Revista 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