Green Hammer 2 branch 3 head
$74.99
-20%
$59.99
New Products
New products
Green Hammer single
$45.99
-20%
$36.79
Blue Blanquillo Tilefish (Malacanthus latovittatus)
$89.99
-20%
$71.99
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 under control and eating excess food.
Subcategories
There are 171 products.
- -20%
- New
Bispira Feather Duster Tube Worm (Bispira sp.)
In stock
$24.99
-20% Off
$19.99
stock photo
Last items in stock
- -20%
- New
Bali Brown Knob Starfish (Protoreaster linckii)
In stock
$69.99
-20% Off
$55.99
Color will vary slightly.
- -20%
- New
Brick Red Fromia Starfish (Fromia milleporella)
In stock
$32.99
-20% Off
$26.39
stock photo
Last items in stock
- -20%
- New
- -20%
- New
- -20%
- -20%
- -20%
Pithos Crab
In stock
$9.99
-20% Off
$7.99
Great algae cleaner with an engaging personality!
Fantastic for a total clean of the aquarium.
In Stock
- -20%
- -20%
Burgundy Serpent Starfish (Ophioderma sp.)
In stock
$24.99
-20% Off
$19.99
Stock photo
Last items in stock
- -20%
- -20%
- -20%
- -20%
- -20%
- -20%
- -20%
Pink/Purple Pin Cushion Urchin (Lytechinus variegatus)
In stock
$26.99
-20% Off
$21.59
Stock photo/colors vary from light to dark pink
In Stock
- -20%
- -20%
- -20%
- -20%
Red Knob Starfish (Protoreaster linckii)
In stock
$69.99
-20% Off
$55.99
Beautiful red color!
Color will vary slightly.
Last items in stock
- -20%
- -20%
Halloween Collector Urchin (tripneustes gratilla) Orange Spine
In stock
$37.99
-20% Off
$30.39
Bright Orange colors
Last items in stock
- -20%
- -20%
- -20%
- -20%
- -20%
Qty 50/0.25 inch Berghia Nudibranch
In stock
$440.00
-20% Off
$352.00
Pre-Order Berghia Nudibranch ship 8/31 or later. Please choose the delivery date accordingly.
Available for shipping!
- -20%
- -20%
- -20%
- -20%
- -20%
- -20%
- -20%
Blue Legged Hermit Crab (Clibanarus tricolo)
In stock
$1.99
-20% Off
$1.59
Great cleaner!
In Stock
- -20%
- -20%
30 Pack Mix of Empty Shells for Hermit Crabs
In stock
$3.99
-20% Off
$3.19
ADD-ON ONLY, to be combined with UPS Next Day order shipping.
In Stock
- -46%
0.25 inch Berghia Nudibranch
In stock
$15.50
-46% Off
$8.37
Pre-Order Berghia Nudibranch ship 8/31 or later. Please choose the delivery date accordingly.
Available to ship
- -20%
- -20%
Chocolate Chip Starfish (Protoreaster nodosus)
In stock
$18.99
-20% Off
$15.19
Last items in stock
- -20%
Algae Eating Emerald Crab (Mithrax sculptus)
In stock
$9.99
-20% Off
$7.99
Great algae cleaner!
In Stock
- -20%
- -30%
- -20%
- -20%
Qty 25/0.25 inch Berghia Nudibranch
In stock
$325.00
-20% Off
$260.00
Pre-Order Berghia Nudibranch ship 8/31 or later. Please choose the delivery date accordingly.
Available for shipping!
- -20%
- -20%
Horseshoe Crab (Limulus polyphemus)
In stock
$26.99
-20% Off
$21.59
Fascinating and fun creature
Last items in stock
- -20%
- -20%
Feather Duster Tube Worm (Sabellastarte magnifica)
In stock
$24.99
-20% Off
$19.99
Colors range from whites to browns
In Stock
- -30%
- -20%
- New
- Out-of-Stock
- -20%
- New
- Out-of-Stock
- -20%
- New
- Out-of-Stock
- -20%
- Out-of-Stock
- -20%
- Out-of-Stock
- -20%
- Out-of-Stock
- -20%
- Out-of-Stock
Black Nerite Snail
Out of stock
$1.99
-20% Off
$1.59
No two are alike! Great algae eaters!
Out-of-Stock
- -20%
- Out-of-Stock
Papal Mitre Snail (Mitra papalis)
Out of stock
$29.50
-20% Off
$23.60
Amazing color shell
Out-of-Stock
- -20%
- Out-of-Stock
- -20%
- Out-of-Stock