Growth parameters for Ictalurus furcatus
 
Maximum Length 165cm TL
n = 9
Note that studies where Loo is very different (+/- 1/3) from Lmax are doubtful.
Longevity vs 3/K graph [n = 7]
ø = 2.72
L inf = 124.0 cm TL
K = 0.0
Median record no. 5
117871Ref. 117871
Loo
(cm)
Length Type K
(1/y)
to
(years)
Sex M
(1/y)
Temp° C Lm Ø' Country Locality Questionable Captive
19.0 TL 0.047 -1.99 16.5 1.23 USA Rappahannock River, Virginia Yes No
88.0 TL 0.107 -1.23 17.1 2.92 USA Mattaponi River, Virginia No No
106.0 TL 0.095 -0.83 17.0 3.03 USA Pamunkey River, Virginia No No
123.4 TL 0.060 -2.05 F 2.96 USA Lake Wilson, Alabama No No
124.0 TL 0.034 -2.19 2.72 USA Ft. Loudoun Lake No No
130.0 TL 0.079 -0.39 3.13 USA Kentucky Lake No No
136.6 TL 0.083 0.19 M 3.19 USA Lake Wilson, Alabama No No
144.0 TL 0.048 -1.75 17.3 3.00 USA James River, Virgina No No
145.0 TL 0.051 -1.41 3.03 USA Chickamauga Lake No No
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