The lifecycle of S. zanklon is similar to most true freshwater crabs, in which they brood over planktonic larvae, and release their juveniles at the onset of the rainy season.

[2] It is naturally omnivorous, with records of it eating seeds of the Bauhinia variegata tree, as well as various species of freshwater snails.

[3] It is preyed upon by both native wild carp, as well as invasive goldfish and tilapia, which have been introduced to their environment through human intervention.

[4] It prefers living in slow moving streams or lowland marshes, was originally described from specimens from the lower Lam Tsuen River and the So Kwun Wat area of Hong Kong.

[5] The Hong Kong branch of the World Wildlife Fund lobbied at the Environmental Protection Department to stop development of the site, due to the potential disruption of their native habitat.