| otolith |
A bone-like structure found in the inner ear of many species of fish that allows scientists to estimate age.
출처: www-comm.pac.dfo-mpo.gc.ca/publications/speciesboo...
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| otolith |
part of the inner ear of a fish used to maintain balance. The otolith can be marked through manipulation of water temperature in a hatchery for later identification of the fish. The otolith exhibits annual growth rings can be counted to determine age, similarly to the technique of tree-ring dating.
출처: www.pwsac.com/terms.htm
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