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Aulopiformes - Scopelarchidae

Benthalbella linguidens (Longfin Pearleye)

Illustration Meristics Life History ELH Descr. Distribution Footnotes
More information for this taxon at: LarvalBase | FishBase | Univ. Washington Data


Egg Diameter (min-max in mm):
Number of Oil Globules (min-max):
Oil Globule Diameter (min-max in mm):
Egg/Embryo Pigment:
Pigment Diagnostics:
Diagnostic Characters:


Hatch Size (min-max in mm SL):
Preanal Length (%SL): 40 - 55; Anus moves posteriad during transformation
Flexion Length (in mm SL): 12.3
Length at Transformation (in mm SL): 89.7
Fin Development Sequence: Caudal; dorsal, anal, and dorsal part of pectoral; pelvics; ventral part of pectoral
Larval Pigment Regions: In each developmental larval stage, pigment is present in the regions listed below
(click for pigment regions)
Preflexion: none,
Flexion: none,
Postflexion: none,
Juvenile: mouth, crown, nape, dorsal gut, lateral gut, dorsal, ventral, mediolateral, caudal,
Pigment Diagnostics: No peritoneal pigment in larvae
Diagnostic Characters: Gut expansion (in larvae, anus anterior to pelvic-fin base but moves posteriad during transformation), pelvic-fin origin ahead of dorsal-fin origin, adipose fin develops posterior to anal fin, no peritoneal pigment in larvae

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last updated: August 2019