If you’re planning to get a peaceful ornamental fish for your saltwater aquarium then firefish goby is good choice. Firefish goby being a marine dartfish is perfect for any reef tank. Also it is one of the popular fish among the aquarium maintainers. Firefish goby is usually found in the areas like Ryukyu Islands, Japan and Pitcairn Islands, Indo-Pacific, Central Pacific, east African waters. So if you’re in these region then chances are high that you’ll get firefish goby in aquarium nearby. As it shows no threat towards other tank-mates it is perfect for peaceful saltwater aquarium tank.
Size & Color: They grow upto 2.5“ and some adults are known for size upto 3.1“. You need minimum 20 to 30 gallon tank for this fish. Firefish goby has white color forebody and red color rear with yellow head. The dorsal, anal, and caudal fins are usually in black. It also has first dorsal spine that jumps up and down,because of it’s size it is perfect for small aquarium tanks.
There are few more close-related fish to firefish goby and those are N decora (Purple firefish) and N. helfrichi.
Food: Firefish goby has no strict requirements of food and will accept almost any type of food. It is suggested that you should give them meaty foods, including Mysis Shrimp, Brine Shrimp, finely chopped fresh or frozen sea foods. They can also eat algae and zooplankton growing in the tank.
Behavior: This fish usually gets frightened easily and requires areas like stone or marble shelter for hiding if it gets afraid. So you need more space if you keep more than one firefish goby in the tank. It is also known for jumping off the tank so take care of that as well by enclosing the tank. When they’re small they don’t mind staying in group but when they grow older they prefer to live alone and could attack each other if there are more than 2-3 in same tank. Other than that it is quite peaceful fish and don’t attack other tank-mates. If gets frightened prefers some stone shelter or cave so i suggest getting some rocks inside your tank to let them be comfortable in the tank. You can buy them as male-female pair and that will be in good interest for the tank-mates or you can buy single firefish.
It also requires moderate lighting conditions and with regular food you’ll find it leaving peacefully. It is beautiful fish that puts on quite good show to your saltwater aquarium tank.