Pyromaia tuberculata

Basic information
Scientific name	Pyromaia tuberculata	(No picture)
Common names	tuberculate pear crab
Higher taxon	Inachoididae, Decapoda, Malacostraca, Arthropoda
Natural range	E Pacific. Coast of California to Columbia.
Habitat	Bottom of inner bay.

Invasion information
Range in Japan	Sendai Bay, Tokyo Bay, Sagami Bay, Lake Hamana Bay, Ise Bay, coast of Shima Peninsula, Osaka Bay, Seto Inland Sea, Yuya Bay, and Hakata Bay.
Origin	N American coast
Date	1960s
Route	Transported with ballast water.
Impact	Prey on small benthos. Ecological impact of this species seems not so large.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	Coast of South Korea and S Atlantic coast of Brazil and Argentine.

Reference

Notes

Furota (1988) The ecology of the introduced spider crab Pyromaia tuberculata in an organically polluted bay (Preliminary report). Bull. Jpn. Assoc. Benthol. 33/34:79-89 (in Jpn with English abstract)
Furota & Kose (1988) Distribution of the introduced spider crab, Pyromaia tuberculata, along the coast of Japan. Bull. Jpn. Assoc. Benthol.　33/34:75-78 (in Jpn with English abstract)
Ecol Soc Japan (ed) (2002) Handbook of Alien Species in Japan. Chijin-Shokan. (in Jpn)
Otani (2004) Introduced marine organisms in Japanese coastal waters, and the processes involved in their entry. Japanese Journal of Benthology. 59:45-57 (in Jpn with English abstract)
etc.