Key to the eastern Pacific species of Barbulifer
by J. Van Tassell
links completed

1a

No median barbel at tip of snout; 2-4 short (less than pupil diameter) barbels under
head; oculoscapular canal with pore F only; first gill slit partly closed ventrally by a
membrane to inner gill cover; body with large spots; D2 with 11-12 elements, anal
with 10(9-11).................................................................................................. pantherinus

1b A median barbel at tip of snout; a lateral canal pore above operculum; D2 - 10;
anal - 9; ................................................................................................................................ 2
2a

Barbel short about ½ eye diameter or less; a single barbel between eye and
posterior margin of mouth............................................................................ceuthoecus


2b

Barbel equal to or greater than eye diameter; two barbels between eye and
posterior margin of mouth; 6-8 long (about eye diameter) barbels under head;
oculoscapular canal with pores F and H; first gill slit completely open; body distinctly
barred; D2 with 9-10 elements, anal with 8-9............................................... mexicanus

 

 

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