248 
PACIFIC SCIENCE, Vol. XV, April 1961 
TABLE 7 
Size of Acanthurus triostegus at Transformation from the Postlarval to the Juvenile State 
LOCALITY 
DATE 
NO. 
SPECIMENS 
STANDARD LENGTH (mm.) 
Range 
Mean 
Durban, S. Africa 
May 8 
2 
23-25 
24 
S. India 
Jan. 19 
1 
22.5 
22.5 
East Indies 
Sumatra 
Dec. 19-25 
1 
21 
21 
Moluccas 
10 
19-21 
20.2 
New South Wales 
3 
24-25 
24.3 
Palau Is 
Aug. 3-6 
7 
21-23 
22.1 
Philippine Is 
Jun. 
1 
23.5 
23.5 
Okinawa 
Sep. 6-8 
2 
22 
22 
S. Japan (30.4° N.) 
2 
21-23 
22 
Ningpo, China (29-5° N.) 
5 
24-26 
24.9 
Mariana Is. 
Guam 
Jun. 28 
3 
22-24 
22.7 
Jul. 24 
7 
20.5-23 
21.8 
Nov. 25 
2 
21.5-23 
21.25 
Saipan 
Jul. 9-14 
1 
22 
22 
Rota 
Nov. 11-13 
16 
21.5-24 
22.5 
Marshall Is. 
Bikini 
Apr. 1 
1 
23.5 
23.5 
Aug. 17-18 
2 
22-22.5 
22.25 
Eniwetok 
May 20 
2 
23-23.5 
23.25 
Kwajalein 
Jun. 24 
7 
22-24 
22.7 
Sep. 1 
3 
22-24 
22 
Onotoa, Gilbert Is 
Aug. 21 
9 
21-25 
23.2 
Samoa Is. 
Tutuila 
Jun. 3 
1 
22 
22 
Rose 
Jun. 11-14 
1 
24 
24 
Swains 
May 3-9 
1 
25 
25 
Phoenix Is. 
Canton 
Apr. 15-28 
3 
25-26.5 
25.8 
May 13 
3 
25-27 
25.8 
Enderbury 
May 15-19 
7 
25-27 
25.3 
Hull 
Jul. 7-17 
9 
23-25.5 
24.1 
Howland I - 
Sep. 24 
8 
23.5-26 
24.3 
Line Is. 
Palmyra 
Jan. 18 
1 
23.5 
23.5 
Fanning.. 
Aug. 
1 
24 
24 
Wake I 
Jun. 9 
2 
23.5-24 
23.75 
Marcus I. --- 
Aug. 
4 
25-26.5 
25.6 
Marquesas Is. 
Feb. 3 
1 
26 
26 
Aug. 
2 
26-26.5 
26.25 
Makatea, Tuamotus 
Feb. 13 
3 
23.5-25 
24.3 
Mar. 15 
8 
23-25.5 
24.4 
Mangareva ----- - 
Feb. 3 
7 
24-25 
24.7 
Tahiti 
Feb. 
1 
26.5 
26.5 
Apr. 28 
1 
23 
23 
Jun. 16 
11 
22.5-26 
24.2 
Jul. 8 
2 
23.5-24 
23.75 
Aug. 12 
4 
22.5-24 
23.4 
Aug. 28 
5 
23-25.5 
24.4 
Oct. 4 
3 
25-27 
25.7 
Dec. 30 
17 
22.5-26.5 
24.5 
Clarion I., Mexico 
— 
1 
25 
25 
