Results 51 to 60 of about 370 (111)

Evaluating Environmental Predictors of Fish Community Composition in a Semi‐Arid River System Using a Model‐Based Approach

open access: yesEcology of Freshwater Fish, Volume 34, Issue 3, July 2025.
ABSTRACT Understanding how the environment shapes species distribution and affects biodiversity patterns is important in ecology and conservation. Environmental stressors like climate change and anthropogenic impacts may lead to a significant decline in aquatic biodiversity.
Mojgan Zare Shahraki   +6 more
wiley   +1 more source

Distribution and Diversity of Coastal Fish in Fresh and Oligohaline Waters: An Example of the Largest Baltic Sea Estuary of the Neva River

open access: yesEcology of Freshwater Fish, Volume 34, Issue 2, April 2025.
ABSTRACT Understanding how low salinity gradients (0‰–5‰) influence fish life cycles is critical for clarifying principles of fish assemblage formation in estuarine ecosystems. This study is intended to provide a foundation for predicting changes in fish populations amidst ongoing surface salinity decreases in the Baltic Sea. In the Neva River Estuary,
Anton A. Uspenskiy
wiley   +1 more source

Overwintering Fish Community in Ice‐Covered Environments in Hokkaido, Japan, Inferred From Environmental DNA

open access: yesEnvironmental DNA, Volume 7, Issue 2, March/April 2025.
Using fish eDNA metabarcoding, we successfully described an overwintering fish community in ice‐covered environments. eDNA data indicated that the dominant species were Clupea pallasii in the lagoon and Tribolodon spp. in the inlet river. Our findings suggested that the eDNA technique is useful for studying ice‐covered areas and could provide new ...
Tatsuya Kawakami   +4 more
wiley   +1 more source

A new species of Yunnanilus (Cypriniformes, Nemacheilidae) from Yunnan, southwest China [PDF]

open access: yesZoosystematics and Evolution
A new species of Yunnanilus is described from the Nanpanjiang River, Yunnan, China. The new species, Yunnanilus polylepis, can be distinguished from other species of Yunnanilus by the following combination of characteristics: Processus dentiformis absent;
Zhi-Xian Qin   +3 more
doaj   +3 more sources

Difference in Fish Assemblage Amidst Diversion Hydropower Dams in the Trisuli and Marsyangdi Rivers of the Gandaki Basin, Nepal

open access: yesInternational Journal of Zoology, Volume 2025, Issue 1, 2025.
Amidst increasing hydropower development in recent years, the impacts of such hydropower on fish communities are poorly understood. We hypothesized that run‐of‐the‐river hydropower dams influence fish assemblages in the dewatered stretch in the Trisuli and Marsyangdi Rivers of the Gandaki Basin, Nepal.
Ashok Baniya   +5 more
wiley   +1 more source

First record of the loach fish Paracobitis cf. malapterura in the Kavir basin, northern Iran

open access: yesInternational Journal of Aquatic Biology, 2014
The loach fish Paracobitis cf. malapterura Valenciennes, 1846 (Nemacheilidae), formerly believed to be an endemic species in the Caspian Sea basin, was recorded for the first time in the upper Kavir basin.
Saber Vatandoust   +2 more
doaj  

The complete mitochondrial genome of Homatula pycnolepis (Teleostei, Cypriniformes) in Lantsang River and its phylogenetic analysis

open access: yesMitochondrial DNA. Part B. Resources, 2020
Homatula pycnolepis is a small-sized benthopelagic fish species in the family Nemacheilidae, superfamily Cobitidea. In this study, the entire mitogenome sequence of the H. pycnolepis has been sequenced by using sanger sequencing method.
Rui Li, Xingjian Yue
doaj   +1 more source

Fresh records on Ichthyofaunal diversity of River Panjkora Dir, Khyber Pakhtunkhwa, Pakistan

open access: yesBrazilian Journal of Biology
This study was designed to assess the ichthyofaunal diversity of River Panjkora, Khyber Pakhtunkhwa, Pakistan. For this purpose, a total of 1189 fish from six different sites were collected along the river and identified using standard keys.
Mohsin Ullah Mohsin   +1 more
doaj   +1 more source

Yunnanilus mentibarbatus, a new species of loach from Yunnan, China (Cypriniformes, Nemacheilidae) [PDF]

open access: yesZoosystematics and Evolution
A new loach species, Yunnanilus mentibarbatus sp. nov., is described from Yunnan Province, China. The new species differs from other congeneric species by the following combination of characters: lateral line incomplete; a pair of whisker-like fleshy ...
Zhuo-Ni Chen, Li-Na Du, Yan Liang
doaj   +3 more sources

Mitochondrial Genome Diversity of Schistura McClelland, 1838 (Teleostei, Nemacheilidae)

open access: yesDiversity
The inconsistency between traditional morphological taxonomy and molecular phylogenetic data is a major issue that puzzles the study of fish classification and evolution.
Xiaohuang Peng   +4 more
doaj   +1 more source

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