FISHERY BULLETIN: VOL. 77. NO. 4 



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Figure i.—Stemoptyx obscum, 39 mm SL. 



Table 3. — Proportional measurements of Sternoptyx species for various size classes. 



'Subadults 



'Percent standard length. 



pseudobscura (and indeed, all other species of 

 Sternoptyx) by the narrow shape and configuration 

 of the trunk and also the high dorsal fin base/ 



808 



dorsal blade ratio. The trunk is markedly longer 

 than it is deep, while the dorsal blade height is 

 usually much shorter than dorsal fin base length 



