Black Cardinalfish



The Black Cardinalfish comes from the reefs of Indonesia and has an elongated, slender body, and is predominantly black in shade. The big eyes are enhanced with spots that are on their fins of similar dimensions. A 30 gallon or bigger aquarium that has a cave and calm tank mates is perfect for this slow, methodical swimmer. It is often found hiding in seagrass and other plants, or employing long spined urchins to camouflage. If there is a bigger aquarium available, it can handle a small number of the species. As a group, they'll set up a strict hierarchy with no aggression.   The Black Cardinalfish requires a well balanced diet consisting of meaty and fatty foods like enhanced brine shrimp, mysis shrimp enriched with vitamins flake foods, as well as smaller marine pellets.   Approximate Purchase Size: Small: 1/2" to 3/4"; Medium: 3/4" to 1-1/4"; Large: 1-1/4" to 2"
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Black Cardinalfish Information The Black Cardinal, apogon melas has large black eyes which are complemented with spots that are on fins of similar dimensions. They are tough and an excellent option for those who are just starting out. Because they are tranquil, they should be kept in a tranquil aquarium and could be used in educational institutions, if the tank is big enough. They are reef-safe and won't bother any corals or inverts inside the tank. They're slower swimmers. And slower eaters also. The diet should consist of an assortment of mysis, either frozen or live or vitamin-enriched brine shrimp, at least twice every day.
Large, Medium, Small
6 lbs


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Helpful Questions From Clients
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.