272 



tA-V 



Table 18. -Proportional measurements of Ageneiosus n. sp. (N = 13). 

 Measurements 2-21 are expressed as thousandths of standard length (SL); 

 measurements 22-34 are expressed as thousandths of head length (HL). 







Range 



M^an 



1. 



Standard length (SL, mm) 



109-147 





2. 



Preadipose length 



720-883 



^--^-'VflK: 



3. 



Preanal length 



532-619 





4. 



Predorsal length 



291-333 





5. 



Prepelvic length 



423-480 





6. 



Prepectoral length 



267-305 



7. 



Pectoral origin to dorsal origin , 



145-173 



8. 



Pelvic origin to dorsal origin 



189-238 



9. 



Pelvic origin to adipose origin 



330-449 





10. 



Dorsal origin to adipose origin . 



448-564 . , 



11. 



Adipose origin to anal insertion 'l ', 



118-152 *" ;i 





12. 



Body depth at dorsal origin .,' 



178-181 i? 

 83-99 



13. 



Caudal peduncle depth 



'«2 



14. 



Caudal peduncle length ••- % \ 



113-151 



m 



15. 



Body width at pectoral origin > 



167-196 



i& 



16. 



Body width at pelvic origin 



91-115 



w$ 



17. 



First dorsal ray length 



143-434 



* 



18. 



Pectoral spine length 



164-220 



m 



19. 



Pelvic fin length ■<> , • . 



142-249 



20. 



Anal-fin base length 



270-352 



313 



21. 



Head length (HL) 



272-315 



287 



22. 



Head depth at occiput 



378-502 



423 



23. 



Head width at postorbitals 



601-698 



653 



24. 



Dorsal interopercular width 



349-384 



366 



25. 



Anterior intemarial distance 



312-384 



337 



26. 



Anterior-posterior narial distance 



157-177 



168 



27. 



Preisthmus length 



635-707 



671 



28. 



Isthmus width 



112-200 



152 



29. 



Snout length 



421-513 



482 



30. 



Gape width 



503-589 



551 



31. 



Upper jaw length 



364-423 



399 



32. 



Lower jaw length 



333-376 



357 



33. 



Eye diameter 



164-207 



181 



34. 



Barbel length 



138-318 



*• 



♦Mean length of dorsal fin spine in nuptial males = 398 (N = 11); females and 



non-nuptial males = 167 (N = 5). 

 **Mean barbel length of nuptial males = 290 (N = 11); females and non-nuptial 



males = 176 (N = 5). 



