Crabs

Saltwater crabs aren’t just fun to watch—they’re also amazing cleaners for your marine tank. These little scavengers take care of leftover food, detritus, and even algae, helping to keep your aquarium balanced and looking great.

Looking for a crab with a job? Emerald crabs are pros at tackling bubble algae, while Scarlet hermit crabs help with detritus cleanup. Whether you need a tough algae grazer or just want something unique to liven up your setup, there’s a crab for every tank.

Every species we offer is carefully selected for compatibility, so you can add them with confidence. A good cleanup crew makes all the difference—why not let these hardworking little guys do some of the work for you?

Benefits of Saltwater Crabs

Adding crabs to your saltwater tank provides several advantages:

Benefit Explanation
Algae Control Helps manage various types of algae
Waste Cleanup Scavenges uneaten food and detritus
Substrate Aeration Some species help aerate the tank bottom
Unique Aesthetic Adds interest and diversity to the tank

Types of Crabs For Sale

Our selection of saltwater crabs for sale includes a variety of species, each with its own unique benefits:

Species Benefit
Crab Species Primary Role in Tank
Emerald Crab
 Controls bubble algae and detritus
Scarlet Hermit Crab
 Algae grazing and detritus cleaning
Blue Leg Hermit Crab
 Excellent scavenger and algae grazer
Sally Lightfoot Crab Active algae grazer

All crabs are hand-selected for health and compatibility with other tank inhabitants. Ensure your crabs have access to plenty of hiding spots and ample food sources to thrive in your aquarium.

How to Care for Saltwater Crabs

Care for saltwater crabs involves keeping the water perimeters at the right level, providing them proper nutrition, adding some live rock or other surfaces on which they will graze and hide. Most crabs are resilient and will adjust quite well to almost all types of tanks if they are maintained properly.

Browse our range of saltwater crabs for sale today and find the perfect addition to your marine aquarium!