Emerald crab

The emerald crab (Mithraculus sculptus) is a species of saltwater crab commonly kept in reef aquariums. As its name suggests, it is typically bright green in color and has a flattened, oval-shaped body with two large front claws.

In the wild, emerald crabs are found in the Caribbean and Western Atlantic, where they feed on algae and detritus. In aquariums, they are prized for their ability to help control algae growth, particularly hair algae.

Emerald crabs are generally peaceful and can be kept with a variety of other marine species. However, they may occasionally nip at corals or small invertebrates if they are hungry or stressed. It’s also important to provide them with plenty of hiding places and enough space to move around, as they can become territorial if overcrowded.

Emerald crabs are a popular and useful addition to many reef aquariums, but as with any marine animal, it’s important to research their care requirements and ensure that their needs are met in order to keep them healthy and happy.

II. You would love the fish because…

An emerald crab has a distinctive appearance with a flattened, oval-shaped body and two large front claws. Its body is typically bright green in color, hence the name “emerald” crab. The carapace or shell covering the back of the crab is also green and may have a mottled or spotted pattern. The crab’s legs are relatively long and thin, with small hairs on the end to help them grip surfaces. The claws are larger than the rest of the legs and are typically a lighter shade of green or yellow, with black tips. The eyes are located on stalks that protrude from the crab’s head, and the mouth is situated in the center of the two claws. Overall, the emerald crab’s appearance is both eye-catching and distinctive.

III. Is this fish species peaceful or hostile?

Peaceful

IV. Species compatibility

The majority of fish and invertebrates that you can put in the tank get along very fine with emerald crabs. In general, they shouldn’t harm any fish, invertebrates, or coral in the tank as long as you provide food sources (waste, algae, and food from an established aquarium).

V. How to feed this species?

Dried seaweed and chopped meaty foods, such as shrimp, as well as a quality pellet fish food.

Disclaimer for Live Aquarium Species

Disclaimer for Individual fish prices