A terrific breeder (the female casts more than 20,000 eggs), the smelt fed on insect larvae, other fish and sometimes its own young. Green Bay fishermen began to notice something wrong last winter ...

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BREEDING: Spawning occurs in fresh water during the winter and spring at low water temperatures. Most females produce fewer than 3,000 eggs. LIFE CYCLE: Delta smelt generally live only one year, ...

BREEDING: Longfin smelt spawn in estuaries in fresh or slightly brackish water over sandy or gravel substrates, with most spawning occurring between January and March. Males arrive on the spawning ...