Length Changes in Silver Hake (Merluccius bilinearis) Larvae: Effects of Formalin, Ethanol, and Freezing

Author:

Fowler G. M.,Smith S. J.

Abstract

Silver hake (Merluccius bilinearis) larvae preserved in either formalin or ethanol decreased in length over time, most shrinkage being achieved in the first 15 d. The magnitude and variability of the length reduction was greater for smaller larvae. Rate and magnitude of shrinkage for ethanol-preserved larvae exceeded those of formalin-preserved larvae. Frozen specimens were extremely variable in length change response, and we noted a transition from shrinkage to expansion with increasing larval length.

Publisher

Canadian Science Publishing

Subject

Aquatic Science,Ecology, Evolution, Behavior and Systematics

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