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see catfishcatfish,
common name applied to members of the fish families constituting the order Siluriformes, found in fresh and coastal waters. Catfish are named for the barbels ("whiskers") around their mouths and have scaleless skins, fleshy, rayless posterior fins, and sharp defensive
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By collection method (1983-1984): Multimesh Large mesh Species Otter Trawl gill net gill net Ictalurus furcatus 2088 783 3 Blue catfish Ictalurus punctatus 1807 80 1 Channel catfish Pylodictus olivaris 1 0 0 Flathead catfish Ameiurus natalis 0 0 0 Yellow bullhead Ameiurus melas 0 1 0 Black bullhead Noturus gyrinus 0 0 0 Tadpole madtom Bagre marinus 1 7 0 Gafftopsail catfish Arius felis 0 1 0 Sea catfish By collection method (1983-1984): Species Rotenone Totals Ictalurus furcatus 0 2874 Blue catfish Ictalurus punctatus 8 1896 Channel catfish Pylodictus olivaris 8 9 Flathead catfish Ameiurus natalis 6 6 Yellow bullhead Ameiurus melas 0 1 Black bullhead Noturus gyrinus 1 1 Tadpole madtom Bagre marinus 0 8 Gafftopsail catfish Arius felis 0 1 Sea catfish TABLE 2B.
Chromosomal evolution in North American catfishes (Siluriformes; Ictaluridae) with particular emphasis on the madtoms, Noturus.
The following 11 species have decreased in occurrence more than 50% from past to present samples: Nocomis micropogon, Notropis dorsalis, Notropis heterolepis, Phoxinus neogae us, Ameiurus melas, Noturus flavus, Noturus gyrinus, Erimyzon sucetta, Moxostoma duquesnei, Etheostoma flabellare, and Etheostomamicroperca.
nebulosus 1 Ictalurus punctatus 1 1 7 Noturus gyrinus 1 1 N.
Key Words: freckled madtom, Noturus nocturnus, Des Plaines River, identification, recolonization, water quality
golden shiner Notemigonus crysoleucas, tadpole madtom Noturus gyrinus, and brook silverside Labidesthes sicculus) across rivers is likely due to channelization, destruction of riparian and floodplain habitat, and various effects from altered flow regimes (Menzel, 1981; Burr and Page, 1986; Sparks, 1995; Armitage and Rank, 2009).
Polyodon spathula or Ictiobus niger are large-bodied adult fish and difficult to capture with a seine, Amia calva, Hybognathus nuchalis, or Phoxinus erythrogaster have a limited distribution, Notropis ortenburgeri or Noturus miurus occur in small numbers, Erimyzon oblongus, Etheostoma microperca, or Lythrurus fumeus are only in specific habitat types, and two were subspecies of Etheostoma spectabile and Luxilus chrysocephalus.
They were Catostomus commersoni, Luxilus cornutus, Semotilus atromaculatus, Etheostoma nigrum, Pimephales notatus, Cyprinella spiloptera, Cyprinus carpio, Nocomis biguttatus, Notropis stramineus, Pimephales promelas, Esox lucius, Noturus flavus, and Percina maculata.
Noturus leptacanthus--UF 133554 (no BU number) (2).
volucellus, Pimephales notatus, Hypentelium nigricans, Noturus eleutherus, Labidesthes sicculus, Fundulus catenatus, F.
Miller (1984) showed that size of prey consumed by the frecklebelly madtom Noturus munitus did not increase with body size.