Tiny guppy fish have individual 'personalities', according to a laboratory study by scientists at the University of Exeter in Penryn. Jim Drury reports.
01:48
00:40
01:49
00:49
02:14
01:56
02:50
01:31
01:30
00:49
00:24
00:39
03:24
01:24
01:33
01:29
02:13
02:06
02:07
01:34
01:31
02:50
01:31
00:49
01:57
00:50
01:22
01:12
01:04
03:00
01:04
02:43
01:31
00:53
03:14
01:44
01:11
01:28
02:19
01:22
00:49
02:06
00:39
03:04
00:58
01:07
01:38
00:45
01:10
02:19
01:04
00:59
00:14
01:05
01:14
00:17
01:14
01:17
01:51
01:39
01:49
02:50
01:26
01:03
01:34
01:14
01:37
02:20
01:16
01:20
02:13
02:01
05:03
01:31
02:01
01:39
00:55
01:12
01:11
01:35
04:06
03:26
00:31
01:10
03:18
01:18
01:20
01:30
01:24
02:00
01:26
02:13
01:21
01:54
01:00
01:42
03:46
03:25
02:03
01:28
01:50
01:14
02:02
01:25
02:18
01:11
02:13
01:39
01:52
02:03
01:28
01:37
01:36
01:11
00:47
01:15
01:46
01:48
02:05
02:05