Growth parameters for Scarus psittacus
 
Maximum Length 34cm TL
n = 6
Note that studies where Loo is very different (+/- 1/3) from Lmax are doubtful.
Longevity vs 3/K graph [n = 3]
ø = 2.21
L inf = 21.5 cm SL
K = 0.3
Median record no. 4
13619Ref. 13619
Loo
(cm)
Length Type K
(1/y)
to
(years)
Sex M
(1/y)
Temp° C Lm Ø' Country Locality Questionable Captive
17.2 SL 1.190 -0.05 2.55 Australia Great Barrier Reef (midshelf) No No
17.5 SL 1.505 2.66 Australia northern Great Barrier Reef (outer) No No
20.7 FL 0.910 -0.08 2.59 Guam Guam No No
21.5 SL 0.347 -1.12 25.8 2.21 Australia Lizard Is. (14°40'S, 145°28'E) No No
30.0 TL 0.690 27.0 2.79 India Lakshadweep lagoons No No
32.5 FL 0.494 2.72 Hawaii Oahu No No
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