Abstract
Although the Pacific coast of Honshu Island, Japan, is a temperate zone, tropical aquatic species have been known to occur in this area because of the influence of the Kuroshio Current. The distributional records of the southern species provide interesting information for studying the expansion of their distributional ranges owing to climate change. In the present study, we report the first records of two tropical palaemonid shrimp species, Macrobrachium grandimanus and M. lepidactyloides, from Honshu Island, Japan, with molecular identification using mitochondrial 16S rDNA sequences. These records update the northern limits of the two species.
https://ror.org/057zh3y96 
