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Stomiiformes - Sternoptychidae Argyropelecus affinis (Slender Hatchetfish)
Illustration	Meristics	Life History	ELH Descr.	Distribution	Footnotes
More information for this taxon at: LarvalBase | FishBase | Univ. Washington Data

BONY PARTS (min-mode-max)

Vertebrae		Gill Rakers and Branchiostegal Rays
Total	35 - X - 41	Upper Gill Rakers	7 - X - 91
Precaudal	10 - X - 12	Lower Gill Rakers	9 - X - 131
Caudal	23 - X - 29	Branchiostegal Rays	10 - 10 - 10

FIN COUNTS (min-mode-max)

Fin (position)	Spines	Rays	Caudal Fin Counts
Pelvic (Abdominal)	0 - 0 - 0	6 - 6 - 6	Caudal Upper Secondary	10 - 11 - 12
Dorsal	0 - 0 - 0	8 - 9 - 9	Caudal Upper Principal	10 - 10 - 10
Pectoral	NA	92 - 11 - 11	Caudal Lower Principal	9 - 9 - 9
Anal	0 - 0 - 0	113 - X - 144	Caudal Lower Secondary	3 - 4 - 4

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last updated: September 2018