Seasonal food intake for male (n = 2) and female (n = 4)
pelagic stingrays at the Monterey Bay Aquarium in 1998:
(A) Separate male and female food intake from 25 May to 24
November 1998; (B) Combined food intake for all of 1998. P1 & P2
are suggested parturition dates for pregnant females based on the low
point of the feeding cycle.