Olfaction and Sharks — Tester 
165 
TABLE 9 
Response of Normal Blacktip Sharks (nb), Blinded Blacktip Sharks (bb), and Normal Sharks 
(ng) to Human Sweat at Eniwetok Laboratory, I960 
DATE 
(1960) 
TIME 
TANK 
SHARKS 
SWEAT 
(ML) 
DONOR, DATE 
ACTIVITY INDEX 
RESPONSE * 
Controls 
Test 
6/30 
1250 
I (A-D) 
2NG 
3.0 
ALT 6/29 
14.6 
13.2 
R 
1340 
I (A-D) 
2NG 
3.0 
ALT 6/29 
12.2 
8.0 
R 
1350 
I (A-D) 
2NG 
5.0 
ALT 6/30 
— 
7.4 
R 
1530 
I (A-D) 
2NG 
3.0 
ALT 6/29 
13.8 
10.0 
R 
1555 
I (A-D) 
2NG 
6.0 
ALT 6/29 
8.7 
8.6 
o 
7/1 
1007 
I (A-D) 
2NG 
3.0 
ALT 6/29 
17.0 
18.0 j 
O 
1035 
I (A-D) 
2NG 
6.0 
ALT 6/29 
17.8 
17.6 
O 
1105 
I (F-J) 
2NG 
3.0 
ALT 7/1 
13.2 
7.0 
R 
1130 
I (F-J) 
2NG 
6.0 
ALT 7/1 
7.4 
8.3 
o 
1400 
I (A-D) 
2NG 
6.0 
ALT 7/1 
13.6 
8.8 
R 
1422 
I (F-I) 
2NG 
6.0 
ALT 7/1 
14.0 
12.2 
R 
1942 
I (A-D) 
2NG 
6.0 
ALT 7/1 
22.4 
17.8 
R 
7/2 
0903 
I (A-D) 
2NG 
6.0 
ALT 7/1 
18.4 
18.6 
O 
1140 
I (F-I) 
2NB 
3.0 
ALT 7/2 
50.5 
92.8 
A7 
1430 
I (F-I) 
2NB 
6.0 
ALT 7/2 
68.5 
71.1 
O 
1445 
I (A-D) 
2NG 
9.0 
ALT 7/2 
18.4 
15.6 
R 
7/6 
1300 
I (A-D) 
2NB 
5.0 
SK-ALT 7/2 
52.2 
23.2 
RR 
1400 
I (F-I) 
2BB 
6.0 
JK 7/6 
31.4 
31.0 
R? 
1430 
I (A-D) 
2NB 
6.0 
SK 7/6 
47.0 
31.4 
R 
7/7 | 
0905 
I (A-D) 
2NB { 
6.0 
JK 7/6 
40.8 
33.8 
R? 
7/9 
1010 
I (A-D) 
2NB 
3.0 
SK 7/6 ; 
20.0 
7.0 
RR 
1500 
I (A-D) 
2NB 
3.0 
JK 7/6 
22.6 
5.4 
RR 
7/11 
0839 
I (A-D) 
2NB 
3.0 
SK 7/6 
33.0 
29.0 
R 
1549 
I (A-D) 
2NB 
! 3.0 
JK 7/6 
31.4 
10.4 
RR 
7/19 
1055 
I (F-I) 
2BB 
3.0 
SK 7/6 
24.6 
14.2 
RR 
1120 
I (A-D) 
2NB 
3.0 
SK 7/6 
31.4 
31.6 
R? 
1145 
II (A-C) 
2NG 
3.0 
SK 7/6 
7.8 
10.0 
O 
7/20 
1505 
! I (F-I) 
4BB 
i 3 '° 
JK 7/6 
25.4 
18.6 
RR 
| 
1530 
| I (A-D) 
4NB 
3.0 
JK 7/6 
15.4 
15.2 
R 
7/23 
| 1243 
I (F-I) 
4BB 
3.0 
SK 7/11 
20.4 
24.8 
O 
7/24 
! 1450 
! I (F-I) 
| 4BB 
3.0 
ALT 7/23 
23.8 
22.6 
R 
| 1655 
; i (A-D) 
! 4NB 
3.0 
ALT 7/23 
28.8 
13.2 
RR 
7/25 
i 0940 
I (F-I) 
4BB 
3.0 
ALT 7/23 
25.2 
18.4 
R 
| 1020 
! I (A-D) 
4NB 
; 3.0 
ALT 7/23 
33.8 
25.4 
i R 
8/25 
1230 
I (F-I) 
4BB 
3.0 
ALT 8/25 
28.0 
26.2 
R 
j 1300 
1 I (A-D) 
4NB 
3.0 
ALT 8/25 
34.0 
32.2 
! R 
* RR, strong repulsion; R, weak repulsion; O, no apparent response except sensing; A, weak attraction; AA, strong 
attraction. 
periments were conducted at the Hawaii labora- 
tory on the population of sharks in Pond 5, 
which at that time consisted of a tiger, a ham- 
merhead, and a grey shark. The method of 
"point introduction" was used. During tests, 
three or four uninjured fish ( Tilapia mosam- 
bique ) were confined in the 5 -gal funnel of sea 
water on top of the tower. During tests, the 
water from the funnel containing the fish was 
introduced through the hose. This produced a 
strong hunting response in the hammerhead. 
The response of the tiger shark and the grey 
