Results 61 to 70 of about 722 (134)

Hybridization, Maternal Inheritance, and Evolutionary Time of Divergence of Endangered Species of Hypancistrus (Siluriformes: Loricariidae) in the Xingu River

Ecology and Evolution, Volume 16, Issue 5, May 2026.
We uncover recent hybridization dynamics among three endemic Hypancistrus species from the Xingu River, including the critically endangered H. zebra. Mitogenomic analyses reveal unidirectional maternal inheritance and recent evolutionary radiation (< 0.5 Ma), explaining their retained reproductive compatibility.
Franciele F. Kerniske, Bruno F. Melo, Leandro M. Sousa, Tiago M. Degrandi, Roberto F. Artoni   +4 more
wiley   +1 more source

Astyanax asuncionensis

, 2006
Astyanax asuncionensis: MLP 8660, 5 ex., 43.6-61.4 mm, Argentina Santiago del Estero, Banado de Anatuya. MLP 8844, 7 ex., 25.0-44.9 mm, Argentina, Formosa, Rio Bermejo basin, Arroyo Mbigua.
Juan Marcos Mirande, Gastón Aguilera, María de las Mercedes Azpelicueta   +2 more
openaire   +2 more sources

Ossification of the cranium of Inpaichthys kerri (Characiformes: Acestrorhamphidae) with discussion of paedomorphic traits in the genus

Journal of Anatomy, Volume 248, Issue 5, Page 806-829, May 2026.
In this study, we present a detailed description of the cranial development of Inpaichthys kerri (Characiformes: Acestrorhamphidae), highlighting important topics such as pedomorphic characters and their relationship with ontogeny and phylogeny, as well as ossification sequences unique to the species. Abstract The study of development provides valuable
Yasmim De Santana Santos, Manoela M. F. Marinho   +1 more
wiley   +1 more source

Histological Characterization and Oocyte Development in Pearlspot, Etroplus suratensis (Bloch, 1790) From Vembanad Lake, Kerala, India

Aquaculture, Fish and Fisheries, Volume 6, Issue 2, April 2026.
ABSTRACT This study is the first to elucidate the oocyte growth pattern of Etroplus suratensis through detailed gonad histology. Ovary samples from different maturity stages were collected from October 2023 to September 2024 from cage culture systems installed in Vembanad Lake, Kumbalangi, Kerala, India.
Mohammad Saddam Hussain, Mahadevan Harikrishnan, Dinesh Yadav, Betsee Thomas, Keerthana PV, Nikhila Khanna AR, Haritha Haridas, Mohamad Husneid Azad, Akhil Soman   +8 more
wiley   +1 more source

Astyanax correntinus

, 2008
A.
openaire   +2 more sources

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

Acta 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, Carla Simone Pavanelli   +1 more
doaj   +1 more source

Living at the Interface: Behavioral, Evolutionary and Ecological Insights of Spring Use by Highly Mobile Stygobiont Crustaceans, Troglocaris planinensis (Decapoda: Atyidae)

Ecology and Evolution, Volume 16, Issue 4, April 2026.
The study provides evidence that animals considered as strictly linked to subterranean habitats can exhibit behavioral responses to constraints occurring in surface environments. We studied the blind and depigmented shrimp Troglocaris planinensis in the Classical Karst using field and experimental approaches.
Raoul Manenti, Veronica Zampieri, Filippomaria Cassarino, Damiano Brognoli, Edgardo Mauri, Giorgia Terraneo, Elia Lo Parrino, Raffaele Bruschi, Valentina Balestra, Stefano Lapadula, Matteo Galbiati, Valeria Messina, Mattia Falaschi, Benedetta Barzaghi, Gentile Francesco Ficetola, Andrea Melotto   +15 more
wiley   +1 more source

Astyanax scabripinnis

, 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, Several, Stefan Koerber Abstract   +1 more
openaire   +2 more sources

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

Neotropical 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

Genomic Insights Into Carnivorous Fish in the Characiformes

Ecology and Evolution, Volume 16, Issue 4, April 2026.
This study employed comparative genomic approaches using 12 high‐quality Characiformes genomes (covering nine subfamilies) with zebrafish as an outgroup to explore the molecular mechanisms underlying the carnivorous adaptation of Characiformes. Expanded gene families, positively selected genes, and rapidly evolving genes in carnivorous species were ...
Shihu Zhao, Xuesong Mei, Zhihao Zhang, Tian Xia, Shengyang Zhou, Yuehuan Dong, Shangbin He, Zhicheng Yao, Yuchun Li, Xiufeng Yang, Honghai Zhang   +10 more
wiley   +1 more source