Results 91 to 100 of about 18,024 (300)

Redescription of Cheirodon Ibicuiensis Eigenmann, 1915 (Characiformes: Cheirodontinae), with Notes on its Distribution in Argentina [PDF]

open access: yes, 2008
Cheirodon ibicuhiensis Eigenmann, 1915, is redescribed including new anatomical data based on material collected at sixteen localities in the Lower Paraná and Lower Uruguay River basins in Argentina.
Mantinian, Julia Erika   +2 more
core   +2 more sources

Development and characterization of fifteen polymorphic microsatellite loci in Bryconamericus aff. iheringii (Teleostei: Characidae) and cross-amplification in related Characidae species [PDF]

open access: yesNeotropical Ichthyology, 2018
ABSTRACT Data on 15 novel microsatellite loci from the Neotropical fish Bryconamericus aff. iheringii are presented here. Analyses of 32 individuals from four different streams revealed 192 different alleles, ranging from four to 32 alleles per locus (mean of 12.8 per locus).
Caroline Apolinário-Silva   +6 more
openaire   +5 more sources

River Geomorphology and Fish Diversity Around the Manseriche Gorge, the Last Andean Crossing Is in Peril

open access: yesWater Resources Research, Volume 60, Issue 11, November 2024.
Abstract The transition from the Andes to the Amazon lowland hosts a high biodiversity and currently is facing several anthropogenic activities, including hydropower infrastructure projects. Little is known about the geomorphology of the Andean gorges, rivers and the interaction with the fish diversity upstream and downstream of gorges.
J. D. Abad   +6 more
wiley   +1 more source

Nuclear DNA content determination in Characiformes fish (Teleostei, Ostariophysi) from the Neotropical region

open access: yesGenetics and Molecular Biology, 2002
In the present study, nuclear DNA content was analyzed in 53 species of Characiformes fish from the Neotropical region. Diploid number ranged from 2n = 48 in Astyanax fasciatus, Gymnocorymbus ternetzi and Hyphessobrycon griemi to 2n = 102 in Potamorhina ...
Margarida Lima Carvalho   +4 more
doaj   +1 more source

A new cryptic species of Hyphessobrycon Durbin, 1908 (Characiformes, Characidae) from the Eastern Amazon, revealed by integrative taxonomy

open access: yesZoosystematics and Evolution, 2019
Hyphessobryconcarusp. nov. is described based on five different and independent methods of species delimitation, making the hypothesis of this new species supported by an integrative taxonomy perspective.
E. Guimarães   +4 more
semanticscholar   +1 more source

The problems with pin bones: Intermuscular bone development and function in salmonids and their implications for aquaculture

open access: yesReviews in Aquaculture, Volume 16, Issue 4, Page 1981-1995, September 2024.
Abstract A healthy skeletal system is fundamental to fish welfare and performance and a key physiological feature of a robust fish. The presence of skeletal deformities in farmed salmonids is a persistent welfare problem in aquaculture, and one which threatens to impede industry growth.
Brianne A. Lyall   +7 more
wiley   +1 more source

New host records and description of the egg of Anacanthorus penilabiatus (Monogenea, Dactylogyridae)

open access: yesMemorias do Instituto Oswaldo Cruz, 2001
Anacanthorus penilabiatus is referred parasitizing the type-host Piaractus mesopotamicus (Serrasalmidae) and two new hosts, Colossoma macropomum and C.
MC Pamplona-Basilio, A Kohn, VA Feitosa
doaj   +1 more source

Fisheries statistics of Kainji Lake, northern Nigeria, Nov. 1994 - Dec. 1998 [PDF]

open access: yes, 1999
Results are presented for the first 4 years data (1994-1998) of the Kainji Lake catch assessment survey, collected and analysed by the Nigerian-German Kainji Lake Fisheries Promotion Project.
Abiodun, J.A., du-Feu, T.A.
core  

Gonadal development and reproductive period of the characin Astyanax aff. bimaculatus (Characiformes: Characidae) in a tropical reservoir in southeastern Brazil

open access: yesZoologia (Curitiba), 2019
The gonadal development of the characin Astyanax aff. bimaculatus from Funil Reservoir, an impoundment in the middle reaches of the Paraiba do Sul River in southeastern Brazil was analysed through histological, histochemical and histometric techniques ...
F. G. Araújo   +4 more
semanticscholar   +1 more source

Nomenclatural note on the genus Nans (Ostariophysi, Characidae)

open access: yesRevue suisse de zoologie, 2006
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Juan Marcos Mirande   +2 more
openaire   +2 more sources

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