Results 61 to 70 of about 813 (159)

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

open access: yesWildlife 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   +2 more
doaj   +1 more source

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

open access: yesEcology 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   +1 more
wiley   +1 more source

A Checklist of Parasites in Catostomidae and Ictaluridae in the United States [PDF]

open access: yes
This parasitological survey presents an updated checklist of helminth species infecting the Catostomidae (suckers) and Ictaluridae (catfish), two families of primarily freshwater fish, and functions to consolidate data from parasitic infections present ...
Jones, Kaleigh
core  

Tadpole madtom [PDF]

open access: yes, 2016
NCTC Freshwater Fishes Teaching Collection: Order: Siluriformes Family: Ictaluridae Genus: Noturus Species: gyrinus Drainage1: Drainage2: Site Location: Location ...
Patterson, Matthew, USFWS
core   +2 more sources

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

open access: yesJournal 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   +2 more
doaj   +1 more source

Yellow bullhead [PDF]

open access: yes, 2016
NCTC Freshwater Fishes Teaching Collection: Order: Siluriformes Family: Ictaluridae Genus: Ameiurus Species: natalis Drainage1: Drainage2: Site Location: Location ...
Patterson, Matthew, USFWS
core   +2 more sources

Ozark madtom [PDF]

open access: yes, 2016
NCTC Freshwater Fishes Teaching Collection: Order: Siluriformes Family: Ictaluridae Genus: Noturus Species: albater Drainage1: Drainage2: Site Location: Jacks Fork at Chimney Fork Location State ...
Patterson, Matthew, USFWS
core  

Brown bullhead [PDF]

open access: yes, 2016
NCTC Freshwater Fishes Teaching Collection: Order: Siluriformes Family: Ictaluridae Genus: Ameiurus Species: nebulosus Drainage1: Ohio River Drainage2: New River Site Location: Reed Creek Location State ...
Patterson, Matthew, USFWS
core   +2 more sources

Pisces, Siluriformes, Ictaluridae, Ictalurus punctatus (Rafinesque, 1818): First record in middle Paranapanema river reservoir, aquaculture and exotic species dispersion.

open access: yesCheck List, 2010
This is the first report of Ictalurus punctatus in the middle Paranapanema river basin; the occurrence of thisspecies may be associated with the expansion of pisciculture in cage farms in the Brazilian territory as a whole.
Zanatta, A. S.   +4 more
doaj  

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