A Method for Preparing Glycerin-Stored Otoliths for Age Determination

Glycerin-preserved otoliths of burbot, Lota lota, often become opaque and difficult to age; they become readable if heated in glycerin for 10 minutes at 190 °C, or for longer times at lower temperatures.

Bibliographic Details
Published in:Journal of the Fisheries Research Board of Canada
Main Authors: Lawler, G. H., McRae, G. P.
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1961
Subjects:
Online Access:http://dx.doi.org/10.1139/f61-003
http://www.nrcresearchpress.com/doi/pdf/10.1139/f61-003
Description
Summary:Glycerin-preserved otoliths of burbot, Lota lota, often become opaque and difficult to age; they become readable if heated in glycerin for 10 minutes at 190 °C, or for longer times at lower temperatures.