Yellow Cardinalfish



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The Yellow Cardinalfish is found on caves or ledges in schools. It is believed that the Yellow Cardinalfish tends to become more active during the night. They are slender and long in shape. Their red/orange gold hue can add a diverse color scheme to your fish tank. A larger or 10-gallon aquarium that has a cave and peaceful tank mates is perfect for this slow and deliberate swimmer. The species is known to conceal itself in sea grass and other plants, or utilize long spined urchins as camouflage. If there is a bigger aquarium accessible, it can accommodate only a small group of the species. As a group, they'll create a strict hierarchy, without any aggression. The Yellow Cardinalfish requires a well-balanced diet that includes meaty food items like feeder shrimp, flake foods, pellet food as well as bloodworms, marine flesh, and, depending on its size live feeder fish. Approximate Purchase Size: 3/4" to 2"  
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Information about Yellow Cardinalfish It has a gorgeous yellow hue and a small size not nearly reaching 2'' in length when it reaches adulthood. Cardinalfishes of this size are able to group and shoal making it an ideal species for people who wish to imitate this type of fish for their home aquarium.
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.