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Madtoms are
freshwater catfishes (order Siluriformes) of the
genus Noturus of the
family Ictaluridae. It is the most species-rich
genus of
catfish in...
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moderate length, but
decreases with
increasing body length. The
tadpole madtoms also
possess two
pectoral spines through which an anti-predatory venom...
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indicates the
entire historical range of the species. The
pygmy madtom is the
smallest of
madtoms,
reaching only
about 50 mm in
length at adulthood. It is dark...
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bullheads and
madtoms tend to be
found in
small streams and ponds, but are also
known in
larger bodies of water.
Channel catfish, bullheads, and
madtoms are "bottom...
- with leaf litter.
Young Neosho madtoms may be
found in
deeper pools,
downstream from riffles. Historically, the
Neosho madtom was
found in the Neosho, Cottonwood...
-
shallow riffles with sand, rock or
gravel bottoms.
During the day
speckled madtoms will rest in
areas with
aquatic vegetation such as
pondweed or burweed...
- spawning,
males have
enlarged head
muscles and
swollen lips,
similar to
other madtoms. It is
presumed that
these enlarged heads are ****ociated with nest construction...
-
about the
specifics of the
effect of this
competition on the
northern madtoms because they are
found in such
small numbers. Both ****es of N. stigmosus...
- m (13–32 ft).
Smallmouth b**** have been
recorded preying on the
smoky madtoms.
Noturus species can be used as an
indicator of the
environment because...
- hurt
mountain madtoms because they
prefer fast
flowing water.
Juvenile mountain madtoms are 20–30mm in
length usually.
Adult mountain madtoms range from...
