5.6 cm year–1 (range 0.0–16.8 cm year–1). The females had
initial (or at the beginning of phase 2) growth of 20–30 cm
year–1 and two females reached 94 and 96 cm DW and mass
38 and 49 kg after 6 years with mean growth rate of 9.6 cm
year–1 (range 0.0–32.0 cm year–1). For comparison with wild
rays we calculated the mean growth rate for sexes combined
(8.1 cm year–1)