Simpsonichthys espinhacensis is a species of killifish from the family Rivulidae. It is found in the upper Jequitinhonha River basin in Minas Gerais, eastern Brazil. The specific name refers to the Espinhaço Mountains where the known range of this species lies.
Male Simpsonichthys espinhacensis can grow to a standard length of 46mm and females to 34mm.
The species is known from wetlands at elevations of 775m–800mm (2,543feet–2,600feetm) refs=
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