Now showing items 1-3 of 3
Otoliths versus scales: evaluating the most suitable structure for ageing largemouth bass, Micropterus salmoides, in South Africa
(African Zoology, 2012-10)
The suitability of scales for ageing Micropterus salmoides was determined by comparing the precision of growth zone counts on scales with those obtained from sectioned sagittal otoliths from a sample of 496 fish collected ...
Validation of growth zone deposition rate in otoliths and scales of flathead mullet Mugil cephalus and freshwater mullet Myxus capensis from fish of known age
(Taylor and Francis, 2012)
Flathead mullet Mugil cephalus and freshwater mullet Myxus capensis are important components in South African estuarine fish communities and fisheries, but there is little information on their age and growth or age validation. ...
Underwater video analysis as a non-destructive alternative to electrofishing for sampling imperilled headwater stream fishes
1. Traditionally headwater streams are surveyed using electrofishing, a potentially harmful sampling method. Increasingly scientists are seeking out the least destructive stream sampling methods, especially when sampling ...