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Validation of daily increment deposition and early development in the otoliths of Sarotherodon melanotheron

  • Werner Ekau
  • J. Blay

Abstract

A one-to-one relationship was found between days of rearing and counted daily increments in the otoliths of Sarotherodon melanotheron verifying daily increment deposition. A marked hatch check was found in all otoliths from both the reared fish and the wild specimens. Five to 10 faint prolarval increments were visible but the rate of their formation was not investigated. The rate of increment deposition of S. melanotheron is apparently independent of somatic growth and increments found in the otoliths of this species can therefore be used for ageing.

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Ekau W. and Blay J. (2000) Validation of daily increment deposition and early development in the otoliths of Sarotherodon melanotheron. Journal of Fish Biology 57(6): 1539-1549. 10.1111/j.1095-8649.2000.tb02230.x

Details

Datum 01.12.2000
Journal Journal of Fish Biology
Issue 6
Volume 57
Seiten 1539-1549
Open Access Closed Access
Open Access Status Closed Access
Eprints_link https://cris.leibniz-zmt.de/id/eprint/5781
Peer-Reviewed

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