Results 41 to 50 of about 494 (161)

Socio‐ecological complexity in managing long‐standing invasive water hyacinth in wetland agriculture and fisheries

open access: yesPeople and Nature, Volume 7, Issue 10, Page 2407-2420, October 2025.
Abstract Managing long‐established invasive species in an ecosystem can be complex due to their multifaceted socio‐economic roles and use to the stakeholders, an issue requiring more attention. We measured the effects of water hyacinth (Pontederia crassipes), one of the world's most notorious invasive aquatic plants, on wetland agriculture, water ...
Mobassher Hossain   +4 more
wiley   +1 more source

A checklist of freshwater fishes of the New Amarambalam Reserve Forest (NARF), Kerala, India

open access: yesJournal of Threatened Taxa, 2010
The freshwater fish fauna of New Amarambalam Reserve Forest (NARF) in the Southern Western Ghats (Kerala) is constituted by 43 species belonging to 13 families and 28 genera.
F. Baby, J. Tharian, A. Ali, R. Raghavan
doaj   +1 more source

Environmental DNA Reveals the Fish Community Structure Exhibited Instability and Trend of Miniaturization in the Xijiang River Basin of the Guizhou

open access: yesEcology and Evolution, Volume 15, Issue 9, September 2025.
Monitoring of fish communities is of great significance for the management and sustainability of river ecosystems. Environmental DNA (eDNA) metabarcoding technology has been demonstrated to be a highly sensitive biomonitoring tool. Nevertheless, it has seldom been tested in mountainous rivers within the geographically complex Karst region.
Xiuhui Ma   +5 more
wiley   +1 more source

ICHTYOFAUNA AT CIJALU RIVER, CILACAP REGENCY CENTRAL JAVA PROVINCE, INDONESIA

open access: yesBiotropia: The Southeast Asian Journal of Tropical Biology, 2016
Cijalu River is located in Western Cilacap Regency of Central Java Province. The river runs through forestry, housing and farming areas. This condition leads to a prediction that the river has been altered on its physico-chemical characteristics causing
Agus Nuryanto   +3 more
doaj   +1 more source

Diet, size and reproductive biology of the silver catfish, Chrysichthys nigrodigitatus (Siluformes: Bagridae) in the Cross River, Nigeria

open access: yesRevista de Biología Tropical, 2008
The silver catfish, Chrysichthys nigrodigitatus (Lacépède: 1803) is a highly valued food-fish included among the dominant commercial catches exploited in major rivers of Africa.
Benedict Obeten Offem   +2 more
doaj  

Hydrodynamic Responses of Fish Community Dynamics in Large‐Scale Morphologically Complex River Systems

open access: yesWater Resources Research, Volume 61, Issue 7, July 2025.
Abstract Large rivers exhibit dynamic and complex geomorphic features, supporting some of the most biodiverse and ecologically productive ecosystems. However, their aquatic ecology is increasingly threatened by human modifications to natural channel morphology.
Jiajian Qiu   +4 more
wiley   +1 more source

Catfish (Teleostei: Siluriformes) diversity in Karala River of Jalpaiguri District, West Bengal, India

open access: yesJournal of Threatened Taxa, 2011
The diversity of fresh water catfish fauna of the Karala River in Jalpaiguri District of West Bengal was studied from February 2009 to January 2010. A total of seven species belonging to six genera and six families were identified.
A.K. Patra
doaj   +1 more source

Cephalic Musculature of the Pacman Catfish Lophiosilurus alexandri Steindachner, 1876 (Siluriformes, Pseudopimelodidae)

open access: yesJournal of Morphology, Volume 286, Issue 5, May 2025.
The head of the Pacman catfish (Lophiosilurus alexandri [L. alexandri]) is strongly depressed, broad, and with a large mouth, roughly resembling those of Lophius piscatorius and Chaca bankanensis. Also, they are bottom dwellers and have ambush behavior for fish predation.
Rafael da Silva Marques   +2 more
wiley   +1 more source

Detailed kinship estimation for detecting bias among breeding families in a reintroduced population of the endangered bagrid catfish Tachysurus ichikawai

open access: yesPopulation Ecology, Volume 67, Issue 2, Page 109-124, April 2025.
In the process of captive breeding and reintroduction of endangered animal species, it is crucial to minimize familial bias in reproductive success during the reintroduction phase to preserve genetic diversity. In this study, we attempted to identify the familial lineage of individuals of the endangered bagrid fish Tachysurus ichikawai born at the ...
Hinano Mizuno   +5 more
wiley   +1 more source

Monogeneans and Trematodes of some Fishes from Lake Hamrin in Diyala Province, Iraq

open access: yesMaǧallaẗ al-baṣraẗ al-ʻulūm al-zirāʻiyyaẗ, 2020
Between January and December 2019, a total of 368 fish specimens were collected from Lake Hamrin in Diyala province, Iraq. Eight species of these fishes belonged to the family Cyprinidae, five to the family Leuciscidae as well as one species each to ...
Jawdat M. Al-Jawda, Maan H. Ali
doaj   +1 more source

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