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Scorpaeniformes - Cottidae

Myoxocephalus polyacanthocephalus (Great 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): 43.4 - 49.61
Flexion Length (in mm SL):
Length at Transformation (in mm SL): >171
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, crown, nape, cheek, dorsal gut, lateral gut, ventral gut, caudal finfold, pectoral fin, dorsal, ventral, mediolateral, caudal,
Flexion: mouth, crown, nape, cheek, isthmus, dorsal gut, lateral gut, ventral gut, caudal finfold, pectoral fin, dorsal, ventral, mediolateral, caudal,
Postflexion: mouth, crown, nape, cheek, isthmus, dorsal gut, lateral gut, dorsal finfold, anal finfold, caudal finfold, pectoral fin, dorsal, ventral, mediolateral, caudal,
Juvenile: mouth, crown, nape, cheek, isthmus, dorsal gut, lateral gut, dorsal finfold, anal finfold, caudal finfold, pectoral fin, dorsal, ventral, mediolateral, caudal,
Pigment Diagnostics: No unpigmented area on lateral body over anus
Diagnostic Characters: Crown, gut, and ventral midline series with dorsolateral and lateral pigment covering 2/3 body length; body pigment becomes more intense and crown pigment covers entire head with development, no unpigmented area on lateral body over gut and anus


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last updated: June 2021