Acanthurus tractus
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FishBase
Growth parameters for
Acanthurus tractus
Maximum Length 38.1cm SL
n = 16
Note that studies where L
oo
is very different (+/- 1/3) from Lmax are doubtful.
Longevity vs 3/K graph
[n = 4]
ø
= 2.48
L inf
= 16.2 cm SL
K
= 1.2
Median record no. 9
118236Ref.
118236
Loo
(cm)
Length Type
K
(1/y)
t
0
(years)
Sex
M
(1/y)
Temp° C
Lm
Ø'
Country
Locality
Questionable
Captive
12.9
SL
1.140
27.6
2.27
Barbados
Barbados
Yes
No
13.4
SL
1.360
27.1
2.39
Venezuela
Los Roques
Yes
No
13.8
SL
0.670
28.1
2.11
Belize
Carrie Bow Cay (outer reefs)
Yes
No
14.3
SL
1.430
27.1
2.47
Venezuela
Las Aves
Yes
No
14.6
SL
2.100
25.0
2.65
Panama
San Blas
Yes
No
14.8
SL
1.584
2.54
Panama
San Blas (9°N, southwestern Caribbean)
Yes
No
15.3
SL
1.260
26.9
2.47
Bahamas
Lee Stocking I.
Yes
No
15.6
SL
0.985
2.38
Bahamas
Lee Stocking Is.
No
No
16.2
SL
1.150
22.9
2.48
Bermuda
Castle Harbour lagoon
Yes
No
16.3
SL
1.170
28.1
2.49
Belize
Carrie Bow Cay (inner reefs)
Yes
No
17.2
SL
0.630
22.9
2.27
Bermuda
Bermuda (outer reefs)
Yes
No
17.5
SL
1.220
26.0
2.57
Ascension I.
Ascension I.
Yes
No
17.6
SL
1.061
2.52
Ascension I.
Ascension Is. (8°S)
No
No
18.8
SL
1.400
22.6
2.70
St Helena
St. Helena I.
Yes
No
18.9
SL
1.241
2.65
St Helena
St. Helena Is. (16?S)
No
No
24.6
FL
0.383
28.5
2.37
Virgin Is. (US)
No
No
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