Starfish are not fish, but they are synonymous with many people’s perception of the typical marine environment. Most are five-armed and use tube-like feet on the undersides of their arms to move about. Many use a highly advanced c
Starfish are not fish, but they are synonymous with many people’s perception of the typical marine environment. Most are five-armed and use tube-like feet on the undersides of their arms to move about. Many use a highly advanced chemical detection method to find detritus food, although some are effective predators and should therefore not be kept with other ornamental invertebrates.