Above: Picture Coming Soon! MacCullochi Rainbowfish are silvery and not colorful when young, but later when mature the are very colorful, making it worth the wait. This is also a very hardy fish.
Comments: This is a Premium Pet Fish, and we never see Premium Rainbowfish like these in any of the live fish stores or the online stores that we visit.
Premium Pet Fish are more energetic, hardier, and have brighter colors with a beautiful metallic sheen.
Click here to learn more about Premium Pet Fish.
Origin: Their ancestors originally lived in northern and eastern Australia, New Guinea, and some surrounding islands, but now MacCullochi Rainbows are now found living in aquariums throughout most of the world.
Maximum Size: In aquariums, male MacCullochi Rainbows can grow to be about 4" long, including their tails.
Females are usually smaller and plumper when mature. Sometimes very old Rainbowfish are even bigger. Sometimes much bigger.
Click here to read more about compatible groups of pet fish.
Click here to learn about aquarium temperature, aquarium thermometers, and aquarium heaters.
Click here to learn more about and shop online for premium fish foods.
Most water in the US seems to be OK, so it's probably best NOT to adjust the pH or the hardness of the water.
Here in our facilities the water is hard and the pH is usually about 7.8. We ship them in this water.
Click here for a lot more information about aquarium water conditions.
Keep at most one Rainbowfish per 2-gallons, when they're small. Larger Rainbowfish need about 4-gallons per Rainbowfish.
Huge Rainbowfish need even more water per fish.
Click here for more about aquarium gravel.
Click here to learn more about aquarium filters.
Usually males will become bigger and much more colorful. Females are plumper and have less color.
If you patiently raise them up, you'll be amazed by their colors.
Variations: There are many other types of Rainbowfish with a wide variety of colors and patterns.
Click here for a lot more information about keeping and caring for Rainbowfish, including a picture gallery.
We have 380-aquariums with lots-and-lots of popular aquarium fish plus lots-and-lots of rare fish!
We consider ourselves to be the link between the world's best sources of fish and the world best customers. We love our work, and we are very responsible.
All of our fish are Premium Quality Fish from the best suppliers in the world. Our fish have better health, more energy and brighter colors, as you can see in our pictures on this website.
We also offer lots and lots of information about keeping pet fish, all from the knowledge of the Bailey Brothers, who have a combined total of 100+ years of experience as breeders, wholesalers, and retailers of pet fish!
Our fish and our customers are treated with the best of care, and we work energetically everyday to make sure every customer enjoys their new fishy friends.
When you purchase pet fish from us, you know you're receiving premium quality fish and premium quality service.
"Received my fish last night and was so pleased! They all arrived alive and appeared to be healthy.
"Once in the tank, they became very active and are now thriving in their new home.
"Beautiful fish, I asked for color and aquariumfish delivered. Processing and shipping was extremely quick."
Nevin and DrTom, the Bailey Brothers
This website is owned and operated by the Bailey Brothers, DrTom and Nevin, who've been together in the fish business for more than 50-years.
The Product Manager has been with the company for more than 35-years.
So we feel very confident that this is the fishiest crew anywhere.