Monkeyface or monkey-face may refer to: Monkeyface prickleback (Cebidichthys violaceus), a North Pacific species of fish Appalachian monkeyface (Quadrula sparsa), a North American species of freshwater mussel Cumberland monkeyface (Quadrula intermedia), a North American species of freshwater mussel Rio Grande monkeyface (Quadrula couchiana), a North American species of freshwater mussel