Eggs in an egg sac of Hynobius nigrescens have nearly 100% fertilizability even after three hour-long immersion in water. Promptly inseminating in water seems to be extrinsic embryologically in this species.
CITATION STYLE
HASUMI, M., HASEGAWA, Y., & IWASAWA, H. (1993). Long-term Maintenance of Egg-fertilizability in Water in the Salamander Hynobius nigrescens. Japanese Journal of Herpetology, 15(2), 71–73. https://doi.org/10.5358/hsj1972.15.2_71
Mendeley helps you to discover research relevant for your work.