Key to the east Pacific species of Gobionellus
By J. Van Tassell
links completed

1a Second dorsal fin with 15 rays; dorsal fins joined at base; scales reduced in size 75(70-79) in lateral series; no prominent spots or blotches on pectoral fin base or sides.................................................................................................................. liolepis
1b Second dorsal fin with 13 rays; dorsal fins separate at base; lateral scales generally 65 or less; pectoral fin or sides with spots or blotches............................................ 2
2a Second dorsal and anal with 13 rays each; large splotch on upper pectoral fin base; maxilla extending to anterior of pupil; predorsal scales 0-5 ............................ dague
2b Second dorsal and anal with 13, 14 rays respectively; prominent midlateral blotches along side of body, extending above and below midline; maxilla extending to past posterior of eye or reaching premaxilla in males; more than 20 predorsal scales present  .................................................................................................................microdon

 

 

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