FISHERY BULLETIN; VOL. 79. NO. 2 



Table 4. — Development of spines in the head region of Sebastes entomelas larvae and juveniles. Specimens 



'Bump, indicating beginning of spine formation or last stage before spine is overgrown. 



2- on the right side. 



3Transforming, 



"Spine IS bifid. 



5Pelagic luvenile. 



8Spine tip directed posteriorly. 

 'Benthic|uvenile- 



Panetal and nuchal spines fused, only one tip visible, 

 on the right side. 



Pigmentation. — The smallest larval S. entomelas 

 has melanistic pigment on the head over the brain. 

 Melanophores are present on the inside tip of the 

 lower jaw, along the anterior margin of the maxil- 

 lary, around the pterotic and posttemporal spines, 

 and on the operculum. An internal melanistic 

 shield covers the gut appearing darkest on the 

 dorsal surface. Melanophores are present dorsally 

 on the nape, beneath the posterior one-third of the 

 spinous dorsal fin, beneath the soft dorsal fin, and 



along the dorsal surface of the caudal peduncle. 

 Internal and external melanophores are present 

 on the lateral midline of the caudal peduncle in the 

 vicinity of notochord flexure, above the posterior 

 portion of the anal fin, and along the ventral mar- 

 gin of the caudal peduncle. Melanophores line the 

 margin of the hypural elements. The pectoral and 

 pelvic fin blades are moderately pigmented with 

 expanded, somewhat elongated melanophores. 

 External and a few internal melanophores are 



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