Overview information for Amaoka’s flabby whalefish is currently being compiled by our editorial team.
Vertebrae: 51 - 53. This species is distinguished from its congeners by the following set of characters: 2-5 (very rarely 1) spines on dorsal and ventral arms of the lateral-line scales which, at least in preserved specimens, penetrate the skin of the lateral-line canal; cavernous tissue present around anus and extending to base of anterior 2nd-14th anal-fin rays; filaments on fourth gill arch well developed, its length 43.2-64.6% filament on first arch; anal lappets 8-14, with last over anal-fin rays 12-16, and with scales; vertebrae 32-34 + 17-20 = 51-53; GRIII 1 + 1 + 1; dorsal-fin rays 17-21; anal-fin rays 17-20; lateral-line pores 18-22; lateral-line scales 17-21; and IO 7 + 2 (very rarely 8 + 2) and copular tooth plate elongated, greatest width 3.3-4.1 in length .: elongated.
Behavioural data for Amaoka’s flabby whalefish is currently being reviewed.
Diet information for Amaoka’s flabby whalefish is currently being compiled.
Reproduction data for Amaoka’s flabby whalefish is currently being compiled.
Marine; bathypelagic; depth range 0 - 3000 m . Subtropical Northwest Pacific: Japan.
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