Rissoina fenestrataRissoina fenestrata is a species of small sea snail, a marine gastropod mollusk or micromollusk in the family Rissoinidae.DistributionThis species occurs in the Caribbean Sea and the Gulf of Mexico; in the Indian Ocean off the Aldabra Atoll.DescriptionThe maximum recorded shell length is 4.5 mm.HabitatMinimum recorded depth is 52 m. Maximum recorded depth is 52 m.