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General information - Macropodus opercularis or by its common

name Paradise Fish is a beautiful blend of reds, blacks, blues, and

whites. The Paradise Fish is a labyrinth fish that can survive in

waters with low oxygen content by gulping atmospheric air with the

aid of a special breathing organ in their heads. The paradise fish

was discovered way back in the beginning of the aquarium hobby

to be accurate it was the first tropical fish that was kept in

aquariums. The Paradise Fish is hardy fish that suit perfectly to

newly fish keepers.  

Common Name - Paradise Fish 

Scientific Name - Macropodus opercularis 

FamilyAnabantids 

Origin - East Asia from Korea to Northern Vietnam

Paradise Fish (Macropodus opercularis)

Size - 8-10 cm 

First discovered - Linnaeus, 1758 

Nutrition – Carnivore, In its natural habitat, it eats mainly insect larvae, small crustaceans

and other aquatic invertebrates. The fish is mostly accustomed to dry commercial foods, so will have

no problem with these foods- make sure it is mainly meaty foods.  

Behavior – Aggressive 

Maintenance and care - This fish is durable to low water conditions. In large aquariums these fish need

good filtration system with low to moderate water flow. If water flow is too strong, the fish will settle in a

spot where flow is lowest and will hardly move from it. When kept in a jar, water should be changed every

week- the amount of water changed, depends on the jar's volume. These versatile fish can be successfully

housed and bred in both aquariums and garden ponds. The paradise fish adapts to wide range waters but

prefers water less than very hard.  

Water Parameters – Temperature: 16C-30C, pH 6.0 – 8.0 

Breeding – Very easy to breed, Paradise Fish are bubble nest breeders. Put one male and one

female (she has to be full of eggs, check her belly’s size) into aquarium of 80-100 liters and let them breed.

Conditioning is made by feeding the fish live or frozen foods about two to three times a day, and making

frequent water changes. Conditioning should take about two weeks at least, and can take up to one month,

depending on the food quality and water temperature. After the couple is ready put the male on day one and

the female in on day two. They will build a bubble nest and spawn in it. The male will guard the eggs.

This is the time to remove the female. The male will guard the young for 3 days. After 3 days the male

should removed from the tank otherwise he will eat the fry. Juveniles are peaceful toward others of the same

species, but as they grow up, aggression increasesWhen fry accept crushed granules, they start to grow

even though crushed food and fry food are ok, live food is essential. Artemia or frozen cyclops can be used.