. Fourspine stickleback Apeltes quadracus A S J L E Threespine stickleback Gasterosteus aculeatus r IâI- IâI JFMAMJJASOND JFMAMJJASOND Boston Harbor Cape Cod Bay North Atlantic Estuaries Relative Abundance ^â 1 Highly Abundant EH! Abundant I I Common Rare Blank Not Present na No data available Life Stage A - Adults S - Spawning adults J - Juveniles L - Larvae E - Eggs 87

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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity