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...

Bumble Bee snails are very active scavengers, feeding on crabs and carrion as dead fish, etc. They are great at eating vermetid snails, polychaete worms, and left over food & waste. Clean Up Crews only Ship on Monday - Thursday to avoid...

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...

Nassarius snails are very active scavengers, feeding on crabs and carrion as dead fish, etc. They often burrow into marine substrates and then wait with only their siphon protruding, until they smell nearby food.  They are essential for aerating...

The Heavyweight Champion of Clean-Up Crews is Here! When it comes to devouring nuisance algae, no snail does it better than the Mexican Turbo Snail (Turbo fluctuosus). Revered by hobbyists for decades, this species is the go-to choice for tackling...

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...

Trochus snails consume film algae, hair algae, diatoms and some species of cyanobacteria. These snails are excellent for cleaning the rocks and glass of your aquarium, but tend to shy away from the sand. Trochus snails can right themselves, but like...

Black Margarita snails can make an excellent addition to your saltwater tank.  They are a great snail for consuming massive amounts of algae and can self-right if they fall off a rock or are knocked over. Clean Up Crews only Ship on Monday -...

Cerith snails are small but elegant (white or dark) spiral shelled snails and are very active scavengers, feeding on crabs and carrion and dead fish, etc. They often burrow into marine substrates and then wait until they smell nearby food.  They are...

The Dancing Jewel of Nano Reefs (VERY SMALL) Add a splash of personality and vibrant motion to your aquarium with the one-and-only Sexy Shrimp. Famous for its unique behavior, this tiny shrimp holds its abdomen high in the air and sways rhythmically...

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...

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...

Nerite snails are extremely popular for their unique patterns and colors, as well as their practical benefits. They work hard to clean algae off of glass, plants, and decorations, they eat hair algae, and they keep your substrate clean and the...

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...

The Ultimate Algae Predator For the aquarist facing a serious nuisance algae problem, the Black Long Spine Sea Urchin is one of nature's most effective and relentless solutions. With its dramatic, jet-black spines that can grow to incredible lengths,...

The coral banded shrimp (Stenopus hispidus) is a saltwater shrimp with a striking red and white color pattern, long antennae, and a prickly body texture:      Size: Can grow up to 2.4 inches...

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...

A Stunning Centerpiece for Fish-Only Tanks Instantly recognizable and undeniably beautiful, the Chocolate Chip Starfish is one of the most iconic stars in the marine world. Its plump, beige body is adorned with dark brown to black tubercles that look...

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...

The Painted Starfish Hunter Arguably one of the most beautiful and ornate invertebrates in the ocean, the Harlequin Shrimp is a true living jewel. With a creamy white body adorned in a breathtaking mosaic of purple, pink, or blue spots, and unique,...