Crabs

Tired of battling persistent bubble algae and unsightly hair algae? The Emerald Crab (Mithraculus sculptus) is your diligent, all-natural solution. Hailing from the vibrant reefs of the Caribbean, this small but mighty invertebrate is a must-have for any...

The Ultimate Bubble Algae Destroyer Meet the Pitho Crab, the unsung hero of the reef aquarium clean-up crew. Often mistaken for its cousin, the Emerald Crab, the Pitho Crab is a specialized herbivore with an incredible appetite for one of the most...

Scarlet & Blue Leg Hermits are an essential part of any Clean up Crew.  This omnivore can access the smallest crevices and openings within aquascape to consume any nuisance algae including hair algae and cyanobacteria. They also will consume...

Scarlet & Blue Leg Hermits are an essential part of any Clean up Crew.  This omnivore can access the smallest crevices and openings within aquascape to consume any nuisance algae including hair algae and cyanobacteria. They also will consume...

Red & Blue Leg Hermits are an essential part of any Clean up Crew.  This omnivore can access the smallest crevices and openings within aquascape to consume any nuisance algae including hair algae and cyanobacteria. They also will consume uneaten...

Coloration can vary - these are not always white, brown is common as well. Porcelain crabs live in abundance in Pacific Coast tide pools. They hide under stones, between mussels in mussel beds, among sponges and tucked into tufts of algae. Safely...

The Ultimate Sand Sifting Powerhouse (2"+ Average Size) Meet the workhorse of the clean-up crew with the heart of a showpiece invertebrate: the Strawberry Conch. This essential sand-sifter is renowned for its tireless dedication to keeping your sandbed...

Paguristes cadenati, the scarlet hermit crab (not to be confused with the Mexican Red Leg Hermit), is a small (about 3 centimetres or 1.2 inches across) species of hermit crab with a bright red body and yellow eyestalks that...

Scarlet & Blue Leg Hermits are an essential part of any Clean up Crew.  This omnivore can access the smallest crevices and openings within aquascape to consume any nuisance algae including hair algae and cyanobacteria. They also will consume...

Red & Blue Leg Hermits are an essential part of any Clean up Crew.  This omnivore can access the smallest crevices and openings within aquascape to consume any nuisance algae including hair algae and cyanobacteria. They also will consume uneaten...

The electric blue hermit crab (Calcinus elegans) is a rare, tropical crab with striking blue and orange colors:      Appearance The electric blue hermit crab has bright blue legs with black...

Paguristes cadenati, the scarlet hermit crab (not to be confused with the Mexican Red Leg Hermit), is a small (about 3 centimetres or 1.2 inches across) species of hermit crab with a bright red body and yellow eyestalks that...

Average size of 2" - 5"+  Horseshoe crabs are unique-looking arthropods with a hard exoskeleton, a long tail, and a horseshoe-shaped body:      Appearance Horseshoe crabs have a dark brown or olive...

Pom pom crabs are about 0.5-1 inch wide on average. The Tiny Boxer of the Reef Prepare to be charmed by one of the most unique and fascinating creatures in the marine aquarium hobby: the Pom Pom Crab. This minuscule crustacean, also known as the Boxer...

Red & Blue Leg Hermits are an essential part of any Clean up Crew.  This omnivore can access the smallest crevices and openings within aquascape to consume any nuisance algae including hair algae and cyanobacteria. They also will consume uneaten...

The Acrobatic Algae Grazer with Unmatched Color Prepare to be captivated by the Sally Lightfoot Crab, a true spectacle of color and agility for the marine aquarium. With a flattened, disc-shaped body and long, spider-like legs, this crab is adorned with...

Appearance Arrow crabs have a medium golden brown body with stripes of brown, black, yellow, or gold. They have 10 legs, eight for walking and two pincers, and their legs can be more than three times the length of their body. Their...