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Growth parameters for
Polyodon spathula
Maximum Length 221cm TL
n = 6
Note that studies where L
oo
is very different (+/- 1/3) from Lmax are doubtful.
M vs K graph
[n = 3]
M vs Linf graph
[n = 3]
Longevity vs 3/K graph
[n = 1]
ø
= 3.49
L inf
= 110.0 cm FL
K
= 0.3
Median record no. 4
5734Ref.
5734
Loo
(cm)
Length Type
K
(1/y)
t
0
(years)
Sex
M
(1/y)
Temp° C
Lm
Ø'
Country
Locality
Questionable
Captive
84.9
FL
0.133
M
14.0
2.98
USA
Missouri River, South Dakota-Nebraska
Yes
No
90.3
FL
0.173
F
14.0
3.15
USA
Missouri River, South Dakota-Nebraska
Yes
No
103.0
FL
0.303
-0.73
0.65
20.0
3.51
USA
Lake Henderson, Louisiana
Yes
No
110.0
FL
0.254
-1.02
0.57
20.0
3.49
USA
Atchafalaya River, Louisiana
Yes
No
113.0
TL
0.581
20.0
3.87
USA
Mississipi River
Yes
No
120.0
FL
0.276
-0.71
0.30
3.60
USA
Lake Pontchartrain, Louisiana
Yes
No
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