Free Shipping!
Start Earning 5% on Future Purchases SEE DETAILS ›

Narrow Your Results:

Aquarium Size (gallons)
Minimum Aquarium Size
Care Level
Color Form
Max. Size
Swim Level
Tank Setup
Water Conditions
Sale Items


776 products
Spiny Sea Cucumber, Green w/Pink & Yellow
(Pentacta anceps)
Starting at $15.99
…hair-like appendages off of its plume. The particulates are then moved to the mouth and ingested. Feed daily with zooplankton or other liquid invertebrate food. Like other Sea Cucumbers, Pentacta anceps has the potential to poison an aquarium. The chances of this happening are very rare unless the…
Blue Mushroom
(Actinodiscus sp.)
Starting at $54.99
The Actinodiscus Mushrooms are also referred to as Mushroom Anemones and Disc Anemones. They were previously in a genus called Discosoma. These invertebrates display a wide variety of colors, textures, and patterns. Some are solid colors, such as the blue specimen pictured above, whereas, others are…
Blue & Pink Sea Star
(Astropecten sp.)
Starting at $19.99
…aquariums. They will consume detritus and left over food. Like other starfish, this member of the Astropectinidae family also consumes small invertebrates, including shrimp, urchins, mollusks, bivalves, or other small sea stars. As such, they should be actively fed with a varied diet that mimics…
Longspine Urchin, Black
(Diadema setosum)
Starting at $19.99
…at night to forage for food such as algae and seaweed. These urchins are an excellent algae controller for an aggressive aquarium where other invertebrates would be eaten. When approached by a fish, these urchins will sense their presence, and will defend itself by directing its spines towards its…
Sally Lightfoot Crab (Build Your Own Kit)
(Percnon gibbesi)
Starting at $8
…rock work where it can hide and scavenge for detritus. It will also eat algae. When large, it can become aggressive and catch and eat small invertebrates and fish.If insufficient algae is present, its diet may need to be supplemented with dried seaweed. Meaty items should also be offered.Approximate…
Sand Sifting Sea Star
(Astropecten polycanthus)
Starting at $17.99
…most bottom dwellers. But closer inspection reveals a striking beauty and serenity to the alternating bands of brown and beige that dress this invertebrate's thick, spine-covered arms. Like other starfish, Astropecten polycanthus efficiently consumes mass amounts of detritus and uneaten foods. This…
Easter Egg Chalice Coral, Aquacultured ORA®
(Oxypora sp.)
Starting at $69.99
…mentioned above.Keep in mind the ORA Aquacultured Easter Egg Chalice Coral can produce sweeper tentacles that can harm more docile corals and invertebrates. Be sure to provide sufficient space between the ORA Aquacultured Easter Egg Chalice Coral and other corals because of its semi-aggressive…
Bloody Mary Shrimp
(Neocaridina davidi)
Starting at $11.99
…This added precaution helps maximize survival of young shrimp.Like all invertebrates, Bloody Mary Shrimp are sensitive to copper. Copper-based medications should never be used in aquariums housing ornamental invertebrates. Do not house Bloody Mary Shrimp in aquariums with loaches, puffers, and…
Super Orange Leptoseris Coral, Aquacultured
(Leptoseris sp.)
Starting at $39.99
…with an orange coloration. Under the right conditions, this is a fast-growing species. Although it has short tentacles, it can harm other invertebrates touching it.Usually SPS corals tend to be more difficult to care compared to LPS corals. Once established, though, the Wrinkle Leptoseris Coral…
Yellow Goatfish
(Parupeneus cyclostoma)
Starting at $23.99
…swim, and rockwork with a few hiding places is recommended. The young Yellow Goatfish may sift the sandy bottom of the aquarium in search of invertebrates to eat so a moderate substrate layer is a must. The older Yellow Goatfish may pick at small crustaceans, fish, and worms. Goatfish prefer to be…
Freshwater Clam
(Corbicual sp.)
Starting at $3.99
…Clam obtains its nutrition from filtering food and detritus from the water column. If necessary, its diet can be supplemented with a quality invertebrate food. Keep in mind that the Freshwater Clam will not tolerate any copper-based medication. If treating the aquarium with medication containing…
Premium Reef Cleaner Packs
(Miscellaneous sp.)
Starting at $89.99
…cleaning the glass and rocks. Both of these invertebrates remain small and rarely disturb rocks and corals. Plus, Banded Trochus snails often breed in the aquarium, replenishing their numbers over time.Our Aquatic Experts have studied these invertebrates extensively, and have formulated our new…
Porcelain Crab
(Petrolisthes galathinus)
Starting at $17.99
…contain plenty of live rock for both hiding and feeding, and will not contain any fish or invertebrates that may bring harm to these peaceful invertebrates. They are reef safe, and will not harm other invertebrates or corals. The Porcelain Crab constantly filters the water for planktonic food, but…
Atlantic Pygmy Octopus
(Octopus joubini)
Starting at $59.99
…colors quickly to mimic its surroundings. Unlike most animals, the Octopus has a rectangular pupil. It usually comes out at dusk to feed on small invertebrates or small sleeping fish. It uses its eight tentacles to bring the catch to its beak-like mouth. Of its total length, the arms will represent…
Dojo Loach
(Misgurnus anguillicaudatus)
Starting at $9.99
…not typically bother other fish in the aquarium. They make excellent tank mates for fancy goldfish. Use caution when housing them with small invertebrates such as Ghost or Japonica Amano Shrimp. The Dojo Loach is largely carnivorous, preferring freeze-dried bloodworms and tubifex, as well as frozen…