Growth parameters for Umbra pygmaea
 
Maximum Length 13.7cm TL
n = 3
Note that studies where Loo is very different (+/- 1/3) from Lmax are doubtful.
Auximetric graph [n = 3]
ø = 1.58
L inf = 15.9 cm 
K = 0.2
Median record no. 2
59260Ref. 59260
Loo
(cm)
Length Type K
(1/y)
to
(years)
Sex M
(1/y)
Temp° C Lm Ø' Country Locality Questionable Captive
8.2 0.520 -1.12 M 1.54 Netherlands Groot Huisven (1983) No No
15.9 0.152 -1.52 F 1.58 Netherlands Groot Huisven (1983) No No
16.0 0.178 -1.02 1.66 Netherlands Groot Huisven (1983) No No
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