Ampelisca eschrichtii weight deviation with length.

a) Estimated (red dashed line) and observed female, male, and juvenile wet weights by length (blue diamonds, black circles and orange crosses, respectively) (r2 = 0.99, df = 398, p < 0.001) collected in 2002, 2007, 2012 and 2013 with the red box enclosing greater than or equal to 16 mm males and females that; b) deviate from the expected weight (red dashes, Fig 3a and 3b) with increasing length (black line, r2 = 0.187, df = 167, p < 0.001).