is a Japanese

ichthyologist Ichthyology is the branch of zoology devoted to the study of fish, including bony fish (Osteichthyes), cartilaginous fish (Chondrichthyes), and jawless fish (Agnatha). According to FishBase, 35,800 species of fish had been described as of March 2 ...

specializing in

elasmobranch Elasmobranchii () is a subclass of Chondrichthyes or cartilaginous fish, including modern sharks ( division Selachii), and batomorphs (division Batomorphi, including rays, skates, and sawfish). Members of this subclass are characterised by h ...

s, especially

shark Sharks are a group of elasmobranch cartilaginous fish characterized by a ribless endoskeleton, dermal denticles, five to seven gill slits on each side, and pectoral fins that are not fused to the head. Modern sharks are classified within the ...

s. He graduated from

Hokkaido University , or , is a public research university in Sapporo, Hokkaido, Japan. Founded in 1918, it is the fifth-oldest government-authorised university in Japan and one of the former Imperial Universities. The university finds its roots in Sapporo A ...

's Laboratory of Marine Zoology with a PhD in Fisheries Science. He is an editor of Japan's '' Ichthyological Research'' journal and author of the book, ''Squalean Phylogeny''. He died at the age of 63 on September 9, 2020.

Taxon described by him

*See :Taxa named by Shigeru Shirai

References

4. 白井　滋さんを偲んで
Japanese Society for Elasmobranch Studies
Vol.53. March 2021. Japanese ichthyologists Japanese scientists Living people Year of birth missing (living people) {{japan-scientist-stub