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Stomiiformes - Sternoptychidae Argyropelecus lychnus (Tropical 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 - 37	Upper Gill Rakers	8 - X - 9
Precaudal	11 - 11 - 111	Lower Gill Rakers	12 - X - 14
Caudal	24 - X - 261	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	9 - X - 11
Dorsal	0 - 0 - 0	9 - 9 - 9	Caudal Upper Principal	10 - 10 - 10
Pectoral	NA	10 - 11 - 12	Caudal Lower Principal	9 - 9 - 9
Anal	0 - 0 - 0	12 - 12 - 12	Caudal Lower Secondary	6 - 6 - 6

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last updated: September 2018