Tripos praelongus is a species of in the family Ceratiaceae. They are native to Bahia, Rio De Janeiro, Pernambuco, Rio Grande Do Sul, Amapá, Espirito Santo, and Pará.
Definition: Living in the fluid medium (water or air) but unable to maintain their position or distribution independently of the movement of the water/air mass (adapted from Lincoln et al., 1998).