A simple biotope for Japanese killifish using a mortar tub

I made a killifish pond next to my goldfish pond. It's a simple layout, just a concrete mixing trough filled with stones, but my cat Masa says it's a nice looking pond.
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[Information about Masa the Cat]
Birthday: Born in June 2019 (5 years and 1 month old)
・Gender: Male ・Personality: laid back and easy-going ・Special skill: High-five ・Characteristics: Heart mark on nose
She posts videos about her life with Masa, a rescue cat, sleeping in a DIY Hiace that she converted into a camper, and living in an old house!
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#DIY with Masa the Cat #Pond #Medaka #Biotope