Abstract

Changes in the length and weight of 240 larval and juvenile carp (standard length 10–45 mm) were monitored over 180 days after preservation in 70% and 95% ethanol. Shrinkage varied with initial (pre-preservation) size and ethanol concentration, but was stable after 1 day. Absolute shrinkage was directly proportional to initial body size, but per cent shrinkage was inversely proportional to initial size. Length shrinkage peaked at about 14% and weight shrinkage peaked at about 75%. Weight loss in 95% ethanol was almost twice that in 70% ethanol. The initial length and weight of specimens preserved in 70% or 95% ethanol may be estimated by regression equations provided here.

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