Results 81 to 90 of about 5,417 (192)

Ocular Morphology and Clinical Ophthalmic Parameters of Nile Tilapia Oreochromis niloticus

open access: yesVeterinary Ophthalmology, Volume 29, Issue 2, March 2026.
ABSTRACT Objective To describe the ocular morphological characteristics and establish clinical and ophthalmic reference standards for Nile tilapia. Animals Studied Fresh carcasses were used for diaphanization, optical and electron microscopy, and computed tomography analyses.
Dandara Franco Ferreira da Silva   +12 more
wiley   +1 more source

Bat Migration Intensifies Cave Fish Richness Loss Under Climate Change in China

open access: yesDiversity and Distributions, Volume 32, Issue 2, February 2026.
ABSTRACT Aim Cave fish, the largest aquatic vertebrates in karst ecosystems, rely heavily on bat guano as a nutrient source. However, ongoing environmental change is degrading cave habitats and altering bat distributions. This study aims to assess how climate‐driven bat migration affects cave fish distributions in China, providing insights for ...
Xiongfeng Bai   +6 more
wiley   +1 more source

Astyanax abramis

open access: yes
Astyanax abramis (Jenyns 1842) Distribution Upper Amazon. Notes Barriga (1994), Valdiviezo-Rivera et al. (2018).
Escobar-Camacho, Daniel   +4 more
openaire   +2 more sources

Astyanax scabripinnis

open access: yes, 2015
Published as part of Mirande, Juan Marcos & Several, Stefan Koerber Abstract, 2015, On some species of Astyanax reported erroneously from Argentina., pp.
Mirande, Juan Marcos   +1 more
openaire   +2 more sources

Comentários sobre a distribuição geográfica de Astyanax altiparanae Garutti & Britski, 2000 (Osteichthyes, Characidae) na bacia do rio Iguaçu

open access: yesActa Scientiarum: Biological Sciences, 2008
Garutti (1995) fez a revisão de algumas espécies de Astyanax (Osteichthyes, Characidae) e aquela, conhecida como “tambiú” na bacia do alto rio Paraná, anteriormente identificada como Astyanax bimaculatus, foi considerada nova e posteriormente descrita ...
Weferson Júnio da Graça   +1 more
doaj   +1 more source

Linking rivers, mixing faunas: How artificial connectivity between the Middle and Upper Paraná River basins shapes fish diversity in a tributary of the Itaipu Reservoir, Brazil

open access: yesJournal of Fish Biology, Volume 108, Issue 2, Page 648-668, February 2026.
Abstract This work aimed to investigate the distribution and occurrence of fish species along the São Francisco Falso Braço Norte (SFFBN) River basin, a tributary of the Middle Paraná River basin now artificially connected to the Upper Paraná ecoregion, to evaluate how such connectivity may affect the biogeographic distribution and regional composition
Lucas E. P. Kampfert   +5 more
wiley   +1 more source

Astyanax leonidas

open access: yes, 2006
Astyanax leonidas: MLP 9580, holotype, 45.6 mm, Argentina, Misiones, Río Paraná basin, headwaters of arroyo Urugua-í.Published as part of J. M. Mirande, G. Aguilera & M. D. L. M.
M. D. L. M. Azpelicueta   +2 more
core   +1 more source

A new species of Astyanax (Ostariophysi: Characiformes: Characidae) from the upper rio Iguaçu basin, southern Brazil

open access: yesNeotropical Ichthyology
Astyanax eremus, a new species of geographically isolated characid fish, is described from a small tributary of the upper rio Iguaçu basin. The new species belongs to the Astyanax scabripinnisspecies complex and is easily distinguished from its congeners
Leonardo F. S. Ingenito, Luiz F. Duboc
doaj   +1 more source

Evaluation of a novel anti‐mycotoxin agent specific for aquatic species in mitigating aflatoxin B1‐induced changes in Nile tilapia: A comprehensive study

open access: yesJournal of the World Aquaculture Society, Volume 57, Issue 1, February 2026.
Abstract Aflatoxin B1 (AFB1) contamination of aquaculture feed poses serious health risks to fish and consumers. In this study, the efficacy of a novel anti‐mycotoxin agent specific for aquatic species (AM‐AQ) containing bentonite, sepiolite, and orange peel meal (Citrus Sinensis) in alleviating AFB1 toxicity in Nile tilapia (Oreochromis niloticus) was
Eman Zahran   +12 more
wiley   +1 more source

Astyanax maximus

open access: yes
Astyanax maximus (Steindachner 1876) Distribution Upper Amazon, Orinoco. Notes Barriga (1994), Escobar-Camacho et al. (2015).
Escobar-Camacho, Daniel   +4 more
openaire   +2 more sources

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