Duttaphrynus melanostictus

Basic information
Scientific name	Duttaphrynus melanostictus	(No picture)
Major synonym	Bufo melanostictus
Common names	Asian Common Toad, Asian Toad, Black-spectacled Toad, Common Sunda Toad, Javanese Toad
Higher taxon	Bufonidae, Anura, Amphibia
Natural range	South part of China, From Taiwan to tropical Asia
Habitat	Under Construction.

Invasion information
Range in Japan	Not established in Japan
Origin	Unintroduced to Japan.
Date
Route
Impact	Potentially: Predation on native invertebrates. Competition with native toads.
Regulation in Japan	Invasive alien species (Invasive Alien Species Act)
Introduced range in other countries	Sulawesi, Papua New Guinea

Reference

Notes

Outline of alien species that was deemed appropriate for designation as Invasive alien species at a specialist meeting(Accessed on 2018-12-07)https://www.env.go.jp/press/files/jp/29584.pdf
(Proposal) Information and evaluations on alien species considered to require selection of invasive alien species.（Accessed on 2018-12-07）https://www.env.go.jp/nature/intro/4document/data/sentei/10/mat04.pdf

Risks for establishment in Okinawa Islands and Ogasawara Islands.
In Japan, there are successive cases which it is found in airports as contaminants on ornamental plants.