New Zealand Journal of Marine and Freshwater Research abstracts

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An improved technique for preparing eel otoliths for aging

L. C. HU

P. R. TODD

Fisheries Research Division Ministry of Agriculture and Fisheries Private Bag Christchurch, New Zealand

Abstract The sagittal otoliths are removed from the eel and heated in a bunsen flame. Otolith fragments are embedded in clear silicone rubber sealant with the reading surface pressed against the surface of a microscope slide. The otoliths can then be read through the inverted slide under a binocular microscope using reflected light.

Keywords methods; otoliths; aging determinations

New Zealand Journal of Marine and Freshwater Research, 1981, Vol. 15:445-446 Received 16 June 1981

PDF file of entire paper: medium quality (566K); (scanned from paper original: notes about this process)

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