Tetracycline labelling for age and growth studies in fish, with emphasis on the Peruvian Anchoveta
1989
Villavicencio De Muck, Z. (Instituto del Mar del Peru, Callao (Peru))
Marking experiments were conducted with fingerlings of anchoveta (Engraulis ringens), sardine (Sardinops sagax), silversides (Odonthestes regia), and Atlantic menhaden (Brevoortia tyrannus) using tetracycline baths or injections, or through feeding the experimental fish with Artemia salina previously held in tetracycline. The resulting marks on otoliths, scales and vertebrae are clearly visible in ultraviolet light, stable under long-term storage conditions, and hence can serve for validation of age and growth studies or for aging of tropical fishes. Data to estimate the relationships between mark visibility, fish mortality and dosage are given for three of the investigated fish species.
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