In this region, where fossil killifish were previously almost unknown, a freshwater lake existed for ... an ideal habitat for the 3–4 cm large fish. In total, the research team managed to ...

One of the suspects is Tomio Masuda, a 67-year-old resident of Kasukabe, Saitama Prefecture, who owns a store that sells killifish. According to police, the arrested aquarium fish enthusiasts have ...