11 pages matching head length in this book
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1.5 times head 32 mm FL 50 mm FL adipose and anal adipose fin anal fin Anal rays usually anteriormost Auke Bay average number blackish body depth immediately Branchiostegal rays Usually Caudal fin caudal peduncle chinook salmon Chromatophores chum and pink chum salmon coho salmon Coloration of body—Preserved count dorsal fin usually extremes 13 fewer fishes fresh waters gill arch Fig gill cover gill filaments Gill rakers Habits—Life span half of body head length Identification of Presmolt identify immediately before dorsal Jacks may occur juvenile salmon juveniles less larger juveniles larger presmolt juveniles lateral line less than 50 longest ray magnification NMFS pelvic fin pink salmon Plate Presmolt Pacific Salmon presmolt stage pyloric caeca Pyloric caeca—Usually rakers see Fig rays usually 13 Salmon in Alaska Scales in lateral separating this species smolt stage snout sockeye salmon species of Pacific specimens less specklings total usually ranging upper limb ventral half