Facts, Information, Pictures and Profiles of True Marine Crabs

The 7-11 Crab (Carpilus maculatus) has great strength and strong armor which makes it quite a destructive animal in an aquarium. Not only does it act like a bulldozer moving rock scapes and corals around in an aquarium, but it will attack and... Read more

The Emerald Mithrax Crab (Mithrax sculptus) normally reef tank safe, undemanding crab prefers to eat fleshy green algae, however it will consume other types of algae, including... Read more

The Porcelain Anemone Crab (Neopetrolisthes ohshimai) is a suspension or scavenging feeder, preferring to spend its time in the tentacles of anemones, sifting small particles of food from the passing water. If not in an anemone, they will... Read more

This Sally Lightfoot Crab (Percnon gibbesi) is an omnivore, consuming detritus and algae in an aquarium. If insufficient food is available, its diet should be supplemented with seaweed and meaty items. When it grows to a larger size, this crab can... Read More