Aquatic Arts 1 Juvenile White Specter Crayfish/Freshwater Lobster (1+ inch) Caution should be exercised when keeping large crayfish: the rule is, if it can catch it, it will try to eat it. Ships as a juvenile about 1 inch in length that will grow up to 5 to 6 inches as an adult! The exotic white coloring will surely make this beautiful animal the centerpiece of your aquarium! As with all of our crayfish, the coloration of the White Specter crayfish is extremely high quality. All InvertObsession brand plants and animals (sold by Aquatic Arts) come with a 100% live arrival guarantee, plus free email support directly from the owners!