Results 71 to 80 of about 3,071 (209)

Efectos de la invasión de salmónidos en ríos y lagos de Chile

Ecosistemas, 2015
Sudamérica es uno de los seis “hotspots” globales de invasión de peces de agua dulce y Chile no es la excepción. Actualmente existen 27 especies introducidas de peces en ecosistemas de aguas continentales. Veinticinco (25) de las 27 exóticas pertenecen a
E. Habit, J. González, J. Ortiz-Sandoval, A. Elgueta, C. Sobenes   +4 more
doaj  

Aspects of the Life History of the Tadpole Madtom, Noturus gyrinus (Siluriformes: Ictaluridae), in Southern Illinois [PDF]

, 1986
Author Institution: Department of Zoology, Southern Illinois University at CarbondaleAspects of the life history of Noturus gyrinus were studied from collections and observations made at Dutchman Creek, Johnson County, Illinois, between 25 October 1982 ...
Burr, Brooks M., Whiteside, Lisa A.
core  

Pectoral sound generation in the blue catfish Ictalurus furcatus [PDF]

, 2014
Catfishes produce pectoral stridulatory sounds by “jerk” movements that rub ridges on the dorsal process against the cleithrum. We recorded sound synchronized with high-speed video to investigate the hypothesis that blue catfish Ictalurus furcatus ...
Fine, Michael L, Ghahramani, Zachary, Mohajer, Yasha   +2 more
core   +2 more sources

Spatial and Ontogenetic Patterns in the Trophic Ecology of Two Predatory Fishes in a Large River

Ecology of Freshwater Fish, Volume 34, Issue 1, January 2025.
ABSTRACT Fishes use a variety of physical and biological resources that shift ontogenetically, seasonally and spatially. Quantifying what resources such as prey are required for persistence can improve understanding of ecological needs of fishes and riverine macrosystem functioning.
Shaley A. Valentine, Gregory W. Whitledge   +1 more
wiley   +1 more source

Evaluating habitat use and relative abundance of Iowa's river otter with harvest data

Wildlife Society Bulletin
The North American river otter (Lontra canadensis) was extirpated from much of the United States in the early 20th century due to habitat loss, pollution of waterways, and overharvesting.
Bridget A. Nixon, Vince Evelsizer, Robert W. Klaver   +2 more
doaj   +1 more source

Acanthocephala of Arkansas, Including New Host and Geographic Distribution Records from Fishes [PDF]

, 2016
Little is known about the spiny- or thorny-headed worms (Phylum Acanthocephala) of Arkansas and there are no summaries on the acanthocephalans of the state. Here, we provide a checklist of the 22 acanthocephalans that occur in Arkansas’ vertebrates based
Barger, M. A., Fayton, T. J., McAllister, C. T., Richardson, D. J., Robison, H. W.   +4 more
core   +2 more sources

A Comprehensive Review of Antibiotics and Antimicrobial Resistance in the Aquaculture Sector of the World and Bangladesh

International Journal of Microbiology, Volume 2025, Issue 1, 2025.
Antibiotics are molecules produced by a microbe to inhibit the growth of another microbe. Due to prolonged improper use, the situation in which these antibiotics do not work effectively on these microbes is termed antibiotic resistance or antimicrobial resistance (AMR).
Shama Afroze, Md. Faisal, Mohammed Nurul Absar Khan, Hrishika Barua, Todd R. Callaway   +4 more
wiley   +1 more source

Distribution of Fishes in Reference Streams Within Arkansas\u27 Ecoregions [PDF]

, 1987
The State of Arkansas has been subdivided into six ecoregions based on the homogeneity of land surface forms, potential natural vegetation, soil types and land uses.
Keith, William E.
core   +2 more sources

Afferent connections of the valvula cerebelli in two teleosts, the common goldfish and the green sunfish [PDF]

, 1989
The afferent connections of the valvula cerebelli were examined in one cypriniform teleost (Carassius auratus) and one perciform teleost (Lepomis cyanellus) with the use of horseradish peroxidase as a retrograde tracer.
Bell, Braford, Braford, Bullock, Carr, Crispino, Fiebig, Finger, Finger, Finger, Finger, Finger, Gould, Hanker, Hornby, Jakubowski, Kotchabhakdi, Larsell, Lauder, Lee, Mesulam, Murakami, Nieuwenhuys, Nieuwenhuys, Nieuwenhuys, Nieuwenhuys, Nieuwenhuys, Northcutt, Northcutt, Northcutt, Northcutt, Parent, Puzdrowski, Puzdrowski, Russell, Sibbing, Szabo, Tong, Tong, Tong, Tong, Wullimann, Wullimann, Wullimann   +43 more
core   +1 more source

Monopisthocotylans of Noturus spp. (Siluriformes: Ictaluridae) in the western portion of the Mississippi River drainage, with comments on influence of environment and phylogeny on prevalence

Journal of Freshwater Ecology
Monopisthocotylans were examined from the gills of 336 specimens of 12 species of madtoms within the ictalurid catfish genus Noturus from western drainages of the Mississippi River in Arkansas, Kansas, Nebraska, and Oklahoma, U.S.A., as follows: 63 N ...
Donald G. Cloutman, Chris T. McAllister, Henry W. Robison   +2 more
doaj   +1 more source