Wild population
Details
The generation length for E. asiaticus is 16.1 years (https://www.iucnredlist.org/species/22697702/93631316). Population trend is decreasing and the population of this species was estimated <50 individuals. AOO of the species is 12 km2 and its EOO covers 760 km2 in its available habitats.
Habitat ecology
It occurs on freshwater, natural wetland habitats such as lakes, ponds, marshes, flooded grasslands, oxbow lakes, swamps, rivers and water meadows. It also occurs at times on dry floodplains, irrigated crops: especially rice paddies, and in open, grassy woodland.