FISHERY BULLETIN: VOL. 80. NO. 1 



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Figure 2.— Photomicrographs of Parophrys vetulus otoliths ( X 1,000). a. Sagitta (30 ^m in diameter) with 16 complete incre- 

 ments from a 21-d-old, laboratory-reared larva; b. Sagitta (32 jum in diameter) with no discernible increments from a 22-d-old. 

 laboratory-reared larva; c. Sagitta (102 ^m in diameter) with 42 complete increments from a 47-d-old, field-caught larva. 



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