Black Longspine Urchin (Diadema setosum) - Medium
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The Black Long Spine Urchin is a great addition to any aquarium for multiple reasons. These urchins will help control algae growth, especially for aquariums with aggressive fish. Some fish have adapted to swimming and living between the long spines for protection. You can add the Long Spine Urchin to an aquarium with cultured Banggai Cardinal and watch as a symbiotic relationship is revealed in the aquarium. Use caution when handling urchins because they are venomous, which causes painful swelling and itching. They have a very unique way of moving around the aquarium by using a water vascular system. There are water canals through the inside of the urchin that pump water through the madreporite (red eye), which allows their small tube feet to move around the aquarium. Supplement their diet once and a while with dried seaweed.
- - Add to an aquarium with ample algae and space to graze
- - For continued health, supplement with dried algae
- - Prefers higher salinity
- - Drip acclimation is recommended
- - Cannot tolerate copper medications and high nitrates
- - Reef safe with caution
Petco Marine Inverts
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Petco takes great care to ensure that the Live Fish, Invertebrates & Plants you order arrives safely and in healthy condition. All Aquatic Life are guaranteed to stay alive for 7 days from the day they arrive at your home or we will gladly refund your money. Returns or refunds cannot be offered on Live Fish, Invertebrates & Plants that you decide you do not want. Please ensure the items you order are what you want before finalizing the order. If you experience a loss of your marine fish, freshwater fish, invertebrates, or live plants within 7 days of delivery please contact Customer Relations at 877-738-6742.
ACCLIMATION: Avoid exposing new aquatic life to bright lights after opening the box. Turn off aquarium lights prior to floating aquatic life. Allow the sealed bag with your new fish to float in your aquarium for at least 15 minutes (but no longer than one hour) to ensure the water in the bag matches the temperature in your aquarium. A bacteria booster addition can assist with the addition of new aquatic life. Petco offers free water testing in store to determine if your water is safe for the addition of new aquatic life. DIET: A well-balanced diet consists of a variety of flakes, pellets, freeze-dried and frozen foods, depending on the species. FEEDING: Feed sparingly and no more than fish can eat in 1-2 minutes. Overfeeding can quickly foul the water, especially in smaller aquariums.
If we need to contact you for any reason about your order, shipping of your package may be affected. Once your order is placed, you will receive a confirmation email with your order summary. Orders are subject to verification of payment information by phone or email. We ship for arrival to the customer Tuesday through Friday and Saturday for an extra charge where available.
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