Results 21 to 30 of about 66,936 (320)

Sperm of Doradidae (Teleostei: Siluriformes)

open access: yesTissue and Cell, 2011
Spermatic characteristics were studied in 10 species representing several distinct groups within the catfish family Doradidae. Interestingly, different types of spermatogenesis, spermiogenesis and spermatozoa are correlated with intrafamilial groups previously proposed for Doradidae.
Quagio-Grassiotto, I.   +3 more
openaire   +3 more sources

The Victoria Falls, a species boundary for the Zambezi Parrotfish, Cyphomyrus discorhynchus (Peters, 1852), and the resurrection of Cyphomyrus cubangoensis (Pellegrin, 1936) (Mormyridae: Teleostei) [PDF]

open access: yes, 2011
Cyphomyrus discorhynchus occurs in the Zambezi River and in the linked systems of the Kwando and the Okavango. We collected specimens from both above and below the Victoria Falls and recorded Electric Organ Discharges.
Kramer, Bernd, Van der Bank, F. Herman
core   +2 more sources

Fish composition (Teleostei) of the estuarine region of the Macaé River, southeastern Brazil [PDF]

open access: yesCheck List, 2014
The first checklist of fishes of the estuary of the Macaé River (Rio de Janeiro State, Brazil) and its adjacent freshwater section is presented. A total of 24,157 specimens belonging to 110 species in 44 families and 21 orders of the Teleostei were ...
Paula Catelani   +4 more
doaj   +3 more sources

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

open access: yesCladistics, 2018
This 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.
J. M. Mirande
semanticscholar   +1 more source

Electric communication during courtship and spawning in two sibling species of dwarf stonebasher from southern Africa, Pollimyrus castelnaui and P. marianne (Mormyridae, Teleostei): evidence for a non species-specific communication code? [PDF]

open access: yes, 2007
The fixed part of the electrocommunication signal, the electric organ discharge (EOD) waveform, is well differentiated in the two vicariant dwarf stonebasher species, Pollimyrus castelnaui and P. marianne. However, differentiation regarding the variable,
Baier, Bernd, Kramer, Bernd
core   +1 more source

Satellitome landscape analysis of Megaleporinus macrocephalus (Teleostei, Anostomidae) reveals intense accumulation of satellite sequences on the heteromorphic sex chromosome

open access: yesScientific Reports, 2019
The accumulation of repetitive DNA sequences on the sex-limited W or Y chromosomes is a well-known process that is likely triggered by the suppression of recombination between the sex chromosomes, which leads to major differences in their sizes and ...
Ricardo Utsunomia   +9 more
semanticscholar   +1 more source

Genomics and mapping of Teleostei (bony fish) [PDF]

open access: yesComparative and Functional Genomics, 2003
AbstractUntil recently, the Human Genome Project held centre stage in the press releases concerning sequencing programmes. However, in October 2001, it was announced that the Japanese puffer fish (Takifugu rubripes, Fugu) was the second vertebrate organism to be sequenced to draft quality. Briefly, the spotlight was on fish genomes. There are currently
openaire   +2 more sources

Thinlip grey mullet Liza ramada (Mugilidae) caught in a

open access: yesFauna Norvegica, 2008
Two individuals of thinlip grey mullet Liza ramada were collected in a southern Norwegian brook (58° 22’ N, 8° 37’ E) on 12th September 2007. The fish were 8.7 and 9.0 cm in total length, 6 and 7 g in total mass, and most probably in their first year of ...
Bror Jonsson, Nina Jonsson
doaj   +1 more source

Phylogenomic Signatures of Ancient Introgression in a Rogue Lineage of Darters (Teleostei: Percidae)

open access: yesSystematic Biology, 2018
&NA; Evolutionary history is typically portrayed as a branching phylogenetic tree, yet not all evolution proceeds in a purely bifurcating manner. Introgressive hybridization is one process that results in reticulate evolution.
Daniel J. MacGuigan, T. Near
semanticscholar   +1 more source

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