Found near river mouths and brackish lagoons . Adults make extensive migrations related to spawning . They feed on invertebrates and cottids . Apparently does not feed during its spawning runs . Some populations anadromous .
Dorsal spines (total): 0; Dorsal soft rays (total): 11 - 13; Anal spines: 0; Anal soft rays: 12 - 14; Vertebrae: 62 - 65. Distinguished by the pale, almost colorless pelvic and pectoral fins and the smaller number of gill rakers on the lower portion of the first gill arch . Dorsal rather high and falcate; pelvic fins with axillary process . Generally brownish to dark green on back; silvery on lower sides and belly; anal, pelvic and pectoral fins pale; caudal and dorsal fins dusky .: fusiform / normal.
Behavioural data for Bering cisco is currently being reviewed.
Marine; freshwater; brackish; pelagic-neritic; anadromous . Polar; 69°N - 58°N North America: Alaska.
invertebrates and cottids (Ref
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