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).
Definition: The marine benthic biome (benthic meaning 'bottom') encompasses the seafloor and includes such areas as shores, littoral or intertidal areas, marine coral reefs, and the deep seabed.
Definition: Lecithotrophic larvae are provided with a source of nutrition to use during their dispersal, usually a yolk sac. They generally have greater dispersal potential than direct developers, but short pelagic larval durations relative to planktotrophic larvae.