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Scorpaeniformes - Cottidae

Icelinus borealis (Northern Sculpin)

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

EGG INFORMATION

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

LARVAE INFORMATION

Hatch Size (min-max in mm SL):
Preanal Length (%SL): 39 (preflexion) - 51 (juveniles)
Flexion Length (in mm SL): ~8 - 11
Length at Transformation (in mm SL): 16 - 24
Fin Development Sequence:
Larval Pigment Regions: In each developmental larval stage, pigment is present in the regions listed below
(click for pigment regions)
Yolk-sac:
Preflexion: mouth, dorsal gut, lateral gut, caudal finfold, ventral,
Flexion: mouth, crown, dorsal gut, lateral gut, caudal finfold, ventral,
Postflexion: mouth, crown, nape, cheek, isthmus, dorsal gut, lateral gut, dorsal finfold, pectoral fin, ventral, mediolateral,
Juvenile: mouth, crown, nape, cheek, isthmus, dorsal gut, dorsal finfold, caudal finfold, pectoral fin, ventral, mediolateral,
Pigment Diagnostics: Presence of 3-14 (mode=9) postanal ventral melanophores; in larger specimens presence of large dark melanophores on pectoral-fin base and formation of bands (end total=4) in lateral pigment
Diagnostic Characters:


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last updated: August 2019