Parribacus japonicus was first established as a new species by Dutch carcinologist Lipke B. Holthuis in 1960. Prior to … See more

P. japonicus is one of six species belonging to the genus Parribacus, which is one of three genera belonging to the subfamily Ibacinae. Ibacinae is one of four subfamilies under family Scyllaridae, which includes al… See more

The genus name Parribacus is not, as often presumed, from the words “para” and “Ibacus” to suggest ‘apart from Ibacus’; “Parr” comes from the last name of Cuban marine fauna researcher and author Don Antonio Pa… See more

P. japonicus grows to a maximum length of 16 centimeters, and the length of its carapace ranges from 4 to 7.4 centimeters. Females are larger than males. Its carapace and the upper abdomen are brown, its a… See more

P. japonicus inhabits the northwestern coast of Japan, west of Maizuru. It is also found on the Pacific coast of Japan, from Tokyo Bay to southwest of the Ryukyu Islands, and even further south the Pacific Ocean tow… See more