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Lake Herring — Part 2
Images coming soon.
Head 4 to 5; depth 4 to 4 2/3; eye 4 to 5; snout 4 to 5; D. 9 to 11; A. 10 to 13; scales 8 to 10-62 to 87-7 or 8; maxillary 3 to 3 3/5; mandible 2 to 2 1/2; gillrakers 45 to 58; vertebrae 57. Body long, slender and somewhat compressed; dorsal and ventral outlines but little arched; head pointed; mouth large, jaws subequal, or the lower somewhat projecting; maxillary long, usually reaching to vertical of pupil, its length 2 1/2 times its width; supplemental bone broad, about half length of maxillary; mandible long, but not usually reaching vertical of posterior edge of orbit; middle of upper jaw on level with lower edge of orbit; caudal peduncle slender but not much compressed, its least depth equal to distance from tip of snout to middle of eye; dorsal fin small, its base about 2 in head, its longest ray 1 3/5 in head; pectoral 1 2/5 in head. Colour in life, back dull bluish-green, this colour extending down on sides nearly to lateral line; lower part of sides silvery; under parts white or silvery; dorsal fin usually blackish or bluish-black on distal third, sometimes plain, the membrane often punctate with dark; caudal bluish-black at tip; anal and ventrals pure white; pectorals white, edged with dark above. Sometimes the anal has a few black specks at base and on anterior part, and the snout is often more or less dark. The amount of individual variation in this species is very great.