Red Belted Cardinalfish



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The Red Belted Cardinalfish is a stunning, attractive fish that ranges in shades of red/orange and red/pink, with a glassy somewhat transparent appearance. Like its name implies, (Apogon townsendi) sports vertical bars running along its caudal peduncal, creating an elegant, belted look. The peaceful cardinalfish is located all the way from Southern Florida to the Bahamas and Northern South America in the Caribbean, where they are often seen in groups in caves, or in holes often hanging from long spined urchins.   A 30 gallon or bigger aquarium with plenty of live rock can provide the perfect habitat. Aquascape crevices and caves to create an environment that is more natural. Keep the Red Belted Cardinalfish with tranquil tank mates since the fish is a slow and deliberate swimmer that is easily stressed by more energetic, faster-moving fish. This Red Belted Cardinalfish can pair with a partner and is known to reproduce in aquariums. As with other Apogon species it's a mouth-brooder. Because of its big eyes, Red Belted Cardinalfish is primarily nocturnal in nature and performs best in dimly lit settings. You can see it at night by using a red light.   Red Belted Cardinalfish requires a healthy, balanced diet with vitamin-rich meaty foods like mysis shrimp, feeder shrimp bloodworms, and, depending on the size of its body live fish.   Approximate Purchase Size: Small: 3/4" to 1-1/4"; Medium: 1-1/4" to 2"    
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Red Belted Cardinalfish Information It has a large and elongated body with big eyes. The body is red with a tinge of orange, a dark bar that runs from the dorsal fin in the rear up to the anal fin, and two bars at the bottom of the tail. The space between the bars could be darker and form a large bar with dark borders.
Large, Medium, Small
6 lbs


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Frequently Asked Questions
Is hiring a professional necessary to set up a saltwater aquarium?

As a general rule, a larger custom aquarium might require installation by a professional. However, a kit from our online fish store is relatively affordable and beginner friendly. That means you should have no problem setting it up yourself.

Which saltwater aquarium fish should you choose when starting out?

Consider a yellow tang fish. This popular saltwater aquarium fish does a great job of coexisting with other types of fish you’ll find in our online fish store.

How does a saltwater aquarium differ from a freshwater one?

Saltwater aquariums require a bit more maintenance and monitoring than freshwater tanks. Different fish require different levels of salinity, pH tolerances, and temperature requirements. They also require specialized pumps, filters, and other equipment that can handle salt. We can guide you through everything you need to know to set up a healthy, thriving reef tank.

Do fish in a saltwater aquarium swim in a school?

That depends on the species. However, if it’s a fish that swims in a school in the wild, they’ll do the same in an aquarium. Some fish that swim in schools include the green and blue chromis, cardinalfish, and dartfish, for example. When ordering from an online fish store, make sure you do your research on how specific fish species behave to ensure they’ll school (or at least coexist) with your current fish.

Is the effort required to maintain a saltwater aquarium worth it?

Yes! Many aquarists dream of owning thriving saltwater aquariums. You have a tiny piece of the ocean in your home, featuring magical and exotic fish that can only survive in saltwater.