FISHES 



lOI 



Ci Scales 50 to 53. 



di Orange spots in longitudinal rows on side of body. . . .F. catenatus. 

 d2 Large irregularly placed orange spots on side of body. .F. stellifer. 

 C2 Scales 32 to 42. 



di Rays of anal ftn 14 F. lincalus. 



do Rays of anal fin q to 11. 



ei Scales 38 F. rathbuni. 



62 Scales 42 F. albolineatus. 



a^ Dorsal fin with 7 to 11 rays; top-swimming species. 

 bi Anal fin with 12 or 13 rays. 



Ci Scales 35 F. macdonaldi. 



02 Scales 29 F. floripinnis. 



hi Anal fin with 8 to 1 2 rays. 



Ci No distinct black vertical or longitudinal stripes. 



di Sides with large irregularily placed orange spots F. henshalli. 



d2 Sides with minute orange spots posteriorly F. rubrifrons. 



ds Coloration plain, without spots F. sciadicus. 



Co Distinct black vertical stripes present; no longitudinal 

 stripes. 



di Rays of dorsal fin 9 ; anal 11 F. chrysotus. 



. do Rays of dorsal fin 7 ; anal 8 F. cingiilatus. 



C3 Distinct black longitudinal stripes, often with vertical ones. 

 di Many longitudinal stripes present. 



Ci Six black stripes present F. notti. 



Co Stripes formed of series of disconnected dots F. guttatus. 



ea Ten wavy longitudinal lines present F. dispar. 



d2 A single wide black stripe present F. notatus. 



F. heteroclitus (L.). Common killilish; mummichog. Length 75 to 

 150 mm.; head 3.5; depth 3.6; color of male greenish, sometimes orange 



Fig. 45. — Fiindidus diaphanus (from Jordan b" Eiermann). 



below; sides with many narrow, silvery bars made up of spots, besides 

 many scattered spots; median fins dark with pale spots; females plain; 

 dorsal fin 11; anal 10 or 11; scales 35 to 38-13: Maine to Mexico; 

 very common in shallow water along the sea shore and in the mouths 

 of streams. 



