Results 101 to 110 of about 15,184 (259)

Biology of growth of Hoplias aff. malabaricus (Bloch, 1794) in a shallow pampean lake Argentina [PDF]

open access: yes, 2011
The trahira Hoplias aff. malabaricus is a top predator in pampean shallow lakes and is highly appreciated by recreational anglers and artisanal fishermen.
Baigún, Claudio Rafael M.   +2 more
core   +3 more sources

Hydrological Connectivity Enhances Fish Biodiversity in Amazonian Mining Ponds: Insights From eDNA and Traditional Sampling

open access: yesMolecular Ecology, Volume 34, Issue 11, June 2025.
ABSTRACT Artisanal and small‐scale gold mining (ASGM) expansion in the Madre de Dios region of the Peruvian Amazon has transformed primary forests into a novel wetland complex of thousands of abandoned mining ponds. Despite their ecological relevance, post‐mining recovery of these systems remains understudied, particularly regarding fish biodiversity ...
Camila Timana‐Mendoza   +7 more
wiley   +1 more source

Population genetic structuring in pacu (Piaractus mesopotamicus) across the Paraná-Paraguay basin: evidence from microsatellites [PDF]

open access: yes, 2009
The Paraná-Paraguay basin encompasses central western Brazil, northeastern Paraguay, eastern Bolivia and northern Argentina. The Pantanal is a flooded plain with marked dry and rainy seasons that, due to its soil characteristics and low declivity, has a ...
CALCAGNOTTO, Daniela, DESALLE, Rob
core   +1 more source

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

Applications of next-generation sequencing technologies and computational tools in molecular evolution and aquatic animals conservation studies : a short review [PDF]

open access: yes, 2019
Aquatic ecosystems that form major biodiversity hotspots are critically threatened due to environmental and anthropogenic stressors. We believe that, in this genomic era, computational methods can be applied to promote aquatic biodiversity conservation ...
Afiqah-Aleng, Nor   +8 more
core   +1 more source

Alimentação de duas espécies do gênero Pseudoplatystoma do Rio Negro, Pantanal da Nhecolândia, MS, Brasil. [PDF]

open access: yes, 2011
Este trabalho investigou a dieta e reprodução de duas espécies de peixes Siluriformes migradores do rio Negro, Pantanal da Nhecolândia, sob a influência do pulso de inundação.
COSTA, F. E. dos S.   +2 more
core  

Systematics of the Neotropical characiform genus Curimata Bosc (Pisces:Characiformes)

open access: yesSmithsonian Contributions to Zoology, 1989
NMNH ; NH-Vertebrate Zoology ; SISP ; Peer ...
openaire   +3 more sources

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

open access: yes, 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   +3 more
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  

Redescription of Hypoptopoma inexspectata (Holmberg, 1883), with notes on its anatomy (Siluriformes: Loricariidae). [PDF]

open access: yes, 2001
Hypoptopoma inexspectata is diagnosed and redescribed based on the examination of additional material and comparison with its congeners. This poorly known hypoptopomine species is distributed in the Paraguay and Paraná river draínages.
Aquino, Adriana E.   +1 more
core   +1 more source

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