Analysis of species 
• Head shorter than trunk. 
1 
b . Head 2 2/3 to 2 3/4 to vent. 
cl. Head 2 3/4 to vent; eye 5 in snout; vertical fins dark. 
taeniola. 
2 
c • Head 2 2/3 to vent; eye 3 1/2 to snout; vertical fins 
transparent. equatorialis. 
b2. Head 2 1/5 to 2 1/3 to vent. 
d 1 . Eye 2 in snout. 
e • Vertical fins with black edge posteriorly* 
2 
e • Coloration pale* 
bicolor< 
petersi* 
2 
d • Eye 3 3/4 in snout; tip of caudal black. fierasfer. 
——*^- | j _ 
3 
d . Eye 4 in snout; color pale. 
gilberti. 
• Head little longer than trunk, 5 to 5 1/5 in total; eye 3 
1/3 in snout; grayish, head, thorax and abdomen black. 
hasta. 
