Table 2.

Southern stingray (Hypanus americanus) (June n = 3) sperm motility parameters at 5 °C extend in various cryoprotecting agents ($\overline{x}$ ± SEM).

Extender	Total Motility (%)	Status (0–5)
ER Fraction A	43.3 ± 17.6	2.17 ± 0.83
ER-GLY	36.7 ± 17.6	1.83 ± 0.72
ER-DMSO	23.3 ± 13.3	2.0 ± 0.76
ER-GLY/MF	36.7 ± 17.6	1.83 ± 0.73

ER = Hank’s elasmobranch ringer solution; GLY = glycerol; DMSO = dimethyl sulfoxide; MF = N-methylformamide.