Key to the Species of Gobulus
modified from Hoese and Reader 2002

1a D2 with 12 elements, anal 14, dorsals partly connected ……………. birdsongi
1b D2 with 11-12 elements, anal 10-11, dorsals separate ………………… 2
2a Pelvic interspinal membrane present, but reduced; eye small, less
than 0.8 into snout; body darker below, with upper edge of dark
pigment above midline in adults; pectoral rays generally 16 ………….. hancocki
2b Pelvic interspinal membrane rudimentary or absent; eye larger 0.8
or greater in snout; body dark below with upper edge of dark
pigment along midline of side of body, countershading obscure in
large specimens….............................................................…………… crescentalis

 

 

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