167 

 Table 5. - continued. 



18. Dorsal-fin spine not sexually dimorphic (0); reproductive males with dorsal-fin spine elongated and 

 with antrorse serrae (1). 



19. Posterior epioccipital process not a broad plate formed by expanded medial fork (0); medial fork 

 of posterior epioccipital process ejqpanded, broadly contacting vertebral parapophysis and forming 

 laminar shelf (1). 



20. One pair of mandibular barbels in adults (0); mandibular barbels absent in adults (1). 



21. One pair of mental barbels in adults (0); mental barbels absent in adults. 



22. Maxillary barbel of nuptial males smooth or weakly tuberculate (0); maxillary barbels of nuptial 

 males with sharp odontodes on dorsal surface (1). 



23. Miillerian ramus enlarged (0); MiUlerian ramus reduced in size (1). 



24. Swimbladder large and free (0); swimbladder encapsulated by ossification of complex centrum (1). 



25. Caudal fin with 8 + 9 principal rays (0); caudal fin with 8+10 principal rays (1). 



26. Caudal fin deeply forked (0); caudal fin moderately emarginate or obliquely truncate (1). 



27. Fewer than 20 gill rakers on outside row of first arch (0); greater than 20 gill rakers on outside row 

 of first arch (1). 



28. Fewer than 50 total vertebrae (0); greater than 50 total vertebrae (1). 



29. Less than 30 anal-fin rays (0); 30-40 anal-fin rays (1); greater than 40 anal-fin rays (2). 



30. Mean number of pectoral-fin rays less than 11 (0); mean number of pectoral-fin rays 11-12 (1); 

 mean number of pectoral-fin rays greater than 12 (2). 



31. Modally 7 or fewer ribs (0); modal number of ribs = 8 (1); modally 9 or more ribs (2). 



32. 6 vertebral centra fused to complex centrum (0); 7 vertebral centra fused to complex centrum (1). 



33. First pectoral-fin lepidotrichium ossified, unsegmented, forming moderate to strong spine (0); first 

 pectoral-fin lepidotrichium weakly ossified, segmented, not forming stiff spine (1). 



34. Pectoral-fin spine with serrae on anterior margin (0); serrae absent fi^om anterior margin of 

 pectoral-fin spine (1). 



35. Modally fewer Uian 8 branchiostegals (0); modally 8-9 branchiostegals (1); modally greater than 9 

 branchiostegals (2). t.~ 



