242 



Memoir Sears Foundation for Marine Research 



Negative Reference: 



Lycengraulis iatesii Starks, Stanf. Univ. Publ., Univ. Ser., 1913: 11 (specimen from market at Para, Brazil, is 

 L. barbouri Hildebrand). 



Lycengraulis abbotti (Fowler) 1 9 1 5 

 Figure 57 



Study Material. The type and only specimen known, 180 mm long, from Port-of- 

 Spain, Trinidad. 



Figure 57. Lycengraulis abbotti, type specimen, iSommTL, from Port-of-Spain, Trinidad, modified after 

 Fowler, (191 5: 523, fig. i), ANSP 45079. Drawn by Alice C. Mullen. 



Distinctive Characters. This fish is related to L, barbouri., having similar short spiny 

 gill rakers, but it differs in the number of gill rakers, the longer and more pointed 

 maxillary, and the more anterior position of the dorsal fin. 



Description. Proportional dimensions in per cent of standard length, and counts, 

 based on the type, 180 mm TL. 



Body: depth 27. 

 Head: length 23.5. 

 Snout: length 3.37. 

 Eye: diameter 4.95. 

 Postorbital: distance 14.8. 

 Maxillary: length 21. 

 Mandible: length 18.3. 



Anal fin: length of base 25.6. 

 Pectoral fin: length 18.2. 



Scales: ca. 37. 



Gill rakers: 12 + 16 and 11 + 17, in- 

 cluding rudiments. 

 Fin rays: dorsal 13; anal 25; pectoral 16. 



Body fairly robust, its depth 3.7 in SL. Head 4.25 in SL, its depth scarcely 

 less than its length without snout. Snout projecting less than half of its length beyond 

 mandible, 7.0 in head. Eye 4.8. Postorbital part of head 1.6 in head. Maxillary 

 pointed, extending nearly to margin of opercle, 1.13 in head. Mandible 1.3. Cheek 

 much longer than snout and eye, its posterior angle about 30°. Gill rakers short, 

 broad, very spinose, partly rudimentary, none exceeding half of diameter of pupil. 



