254 



Fishery Bulletin 89(2). 1991 



Figure 4 



Schematic illustration of 

 ocular-side lower jaws, head 

 shapes, and relative posi- 

 tions of the dorsal fin origin 

 for five western Atlantic 

 tonguefishes of the Sym- 

 phurus plagusia species 

 complex. (A) S. plagusia, 

 ANSP 132030. (B) S. civi- 

 tatium, USNM 274485. (C) 

 S. tessellatus, UPRM 2859. 

 (D) S. oculellus, UMML 

 34334. (E)S. caribbeanus, 

 USNM 313487. Bar = 1 mm. 



-JT 



• • 





• S. civitalium 

  S caribbeanus 

 A S. oculellus 





IS 



-'V~^v 



00 \2$ [9C| [SS JBi; 



Figure 5 



Geographic distributions of Sym- 

 phurus civitatium, S. oculellus, 

 and S. caribbeanus based on 

 material examined. 



Figure 6 (facing page) 



(A) Symphurus tessellatus, USNM 159536, 

 Female, 177mm SL, Surinam, 6°41'N, 54°17' W. 

 (B-C) Symphurus oculellus. (B) Holotype, USNM 

 159606, 144mm SL, Male, 6°24'N, 55°00'W; (C) 

 USNM 313515, 151mm SL, Female, 6°21'N, 

 54°28'W. (D) Symphurus caribbeanus, Holotype, 

 USNM 313487, 101 mm SL, Male, Mayaguez Bay, 

 Puerto Rico. 



