Many hobbyists prefer using the nano tanks for their fish, which have a maximum capacity of 30 gallons of water. As we know, fish are highly sensitive to their ecosystems, and need specific environmental conditions in order to live a healthy life. Some fish survive best in the reef ecosystem, while the other may live in freshwater or saltwater.
So, in today’s article we will cover almost all the major saltwater fish who can live in a 30 gallon tank.
An adult Pajama Cardinal fish can live in a 30 gallon tank. Additionally, there are many other small saltwater fish that are ideal for a 30 gallon tank. These fish look very cool and actively swim in the nano tank.
It is important to note that 30 gallon nano tanks are can be difficult to maintain as compared to the bigger ones. However if you are following all the safety guidelines and using all the precautionary measures, you should not worry about anything.
If you are looking to decorate your fish tank, you should check out our article on the best star wars fish tank decorations.
Without further ado, let’s dive in and study about each type of fish in detail.
Pajama Cardinalfish – The Best Saltwater Fish For 30 Gallon Tank
These are very tiny fish, but they are great swimmers and can move extremely fast. They can adapt themselves best to the tiny environment and remain in the smaller size even in adulthood. They are very colorful, as their scales range from white, green, purple, yellow, and black.
Their fins can be yellow and purple, and sometimes they are more of a transparent color.
Pajama Cardinalfish can prove to be the best starter fish, and can feed on everything. Yes everything! It means you can give them anything from peels of fruit and vegetables to dry herbs and so on. They especially like bananas.
These fish can survive best in the saltwater ecosystem, so they are the perfect choices for the saltwater nano 30 gallon tank.
If you are curious enough to know about their physical appearance, I must tell you that they have round eyes, bold-patterned skin and blue lips. Although they are considerably smart, you can feel the prominent features easily. The best part is they are cheap and available in most pet stores for a cheap price.
These fish can also thrive in a 90 gallon saltwater fish tank.
What Other Fish Can Live In A 30 Gallon Tank?
Various small fish species can live in a small 30 gallon tank. Some of these species include:
- Gumdrop Coral Croucher – Caracanthus madagascariensis
- Flaming Prawn Goby Fish – Discordipinna griessingeri
- Tailspot Blenny – Ecsenius stigmata
- Captive-Bred Orchid Dottyback Fish – Pseudochromis fridmani
- Pygmy Coral Croucher – Caracanthus unipinna
- Banggai Cardinalfish – Pterapogon kauderni
- Gold Assessor Basslet Fish – Assessor flavissimus
- Panamic Barnacle Blenny Fish – Acanthemblemaria hancocki
- Twin Spot Goby – Signigobius biocellatus
- Court Jester Goby – Koumansetta rainfordi
- Longspine Cardinalfish – Zoramia leptacantha
- Mini Dart Goby Fish – Aioliops megastigma
- Firefish Goby – Nemateleotris magnifica
- Yellow-Striped Cardinalfish – Apogon cyanosoma
And many others.
If you are looking for fish to put into a smaller tank, you can check out my article on how many fish can be in a 2 gallon tank.
The Bottom Line
The benefit of keeping smaller fish in the nano tank is that you can easily take care of both. Moreover, most saltwater fish usually are not very sensitive to food items, so small mistakes usually won’t create bigger, life-threatening problems.
