Blue Leg Hermit, Black Shelled (Clibnarius sp) Tiny

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Black shelled Blue leg reef hermit crab (Clibanarius sp.), a very small-sized marine hermit crab species with black shells, is commonly found in the Caribbean’s reefs and lagoons, as well as the Gulf of Mexico. These crabs are easily recognized by their striking blue legs and are favored by marine aquarium enthusiasts for their resilience and beneficial role in reef aquariums. As opportunistic feeders, they consume a variety of items, including algae, detritus, and leftover fish food, making them effective at controlling algae in aquariums. Generally small, they grow to about half an in length. Known for their peaceful nature, Blue leg reef hermit crabs coexist well with other non-aggressive invertebrates and fish.



Description

Scientific Name

Clibnarius sp.

Specifications
Origin Caribbean
Max Size 1″
Family Clibnarius
Provider Keys Marine Life Direct

Reef Questions

Are blue leg hermits reef safe?

The Blue Leg Hermit Crab can grow large enough to inhabit a one-and-a-half-inch shell and does well in groups. While they are considered reef safe, they may attack snails for their shells, and having extra empty hermit shells available for them can reduce this behavior.

How big do blue-leg hermit crabs get?

It is one of the smaller hermit crabs, with a maximum size of roughly one inch for a particularly large specimen.

How long do blue-legged hermit crabs live?

Hermit crabs climb over anything in the aquarium but are considered reef safe and do not disturb the corals; it may cause them to temporally close. Blue-legged hermit crabs can live up to 30 years in the wild. However, they only last for about 1-2 years on average when inside an aquarium.

Do Caribbean hermit crabs need saltwater?

Hermit crabs require both freshwater and saltwater water sources to survive. Saltwater should be made using sea salt sold for marine fish and crustaceans.

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