Thrilled with Everything

Just wanted to let you know how happy I am with the order. From accommodating my delivery date to the packaging and healthy specimens, you have impressed me. Thrilled how the nudis were packaged. Thanks again for how you've communicated with me this...

Kevin C. from Arkansas

Marine Invertebrates

Every saltwater aquarium needs a variety of marine invertebrates to complete its natural biodiversity. Marine invertebrates provide an important function in keeping algae in control, eating excess food, turning over the substrate, in addition to other processes vital to keeping a saltwater aquarium healthy.


Medium Skunk Cleaner Shrimp
Fish Cleaners 
Scarlet Red Reef Hermit Crabs
Black Tuxedo Urchin (Mespilia Globulus) 2 Inches
Algea Destroyer 
West Indian Star Snails
Cool Snail 
Red Feather Duster Rock 3- Inches
Red Feather Duster Rock
Orange Double Icon Starfish
Rainbow Tuxedo Urchin (Mespilia Globulus)
2 Available 
Sea Cucumber -Holothuria thomasi
Sand and Rock Cleaner 
Hawaiian Feather Duster - Large
4 Available 
Astrea Turbo Snail - Astraea tecta
General Graser 
Algae Eating Emerald Crab - Mithrax sculptus
Some Eat Bubble Algae! 
Red Reef Hermit Crabs
Coraline Margarita Snail - Margarites pupillus
saltwater snail that eats hair algae 
Displaying 1 to 15 (of 18 products)
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Two great orders down.

Just a quick few words to let everyone out there know how great SaltyUnderground has been for me. I just received my 2nd order today and within 10 minutes most of my order was out and open, including an additional FREE frag thrown in. Excluding ...

Miles Schwartz from Illinois