Zebra Danio

Zebra Danio is a colorful and freshwater fish that is easily recognized by its attractive stripes. The stripes have a black and white pattern like a zebra. This is a strong fish and active swimmers. The fish doesn’t actually require a water heater in the tank. The species can withstand impressively with a range of water temperature and conditions as they even comfortable at the temperature of 60 degrees Fahrenheit. The most interesting thing is they are loyal to their breeding mates for whole life.

About Zebra Danio

The Zebrafish species is a popular freshwater aquarium fish. But fish is sold by its trade name ‘zebra danio’. The scientific research found that zebrafish have widely used vertebrate model organism. The species has been modified by the researchers to produce more transgenic strains. The species is a member of Danio genus from Cyprinidae family. It is closely related to the Danio aesculapii. The fish species is also known by its common names which are striped danio, zebra danio, and zebrafish.

Zebra Danio Facts, diet, habitat

Scientific NameDanio rerio
Common NamesZebra danio, Striped danio, Zebrafish
Size6 cm
LifespanUp to 5 years
DietOmnivore
Conservation StatusLeast Concern

Zebra Danio Characteristics

The fish has the quite complicated stripes colorful pattern on their body. The fish have the flattened shape with fusiform with its mouth upwards. The male has the elongated rounded shape with gold stripes between the blue stripes on the body. The female has a larger whitish belly with silver stripes rather than the gold. These fish species length can grow up to 6.4 cm while the average length in captivity is only 4 cm. The average lifespan of this species is about two or three years only. The lifespan of the species may increase with the proper care.

Zebra Danio Habitat

The zebrafish dwells in rivers and streams in India, Pakistan, Bangladesh, Nepal, Myanmar, and Bhutan. The species prefer to inhabit in rivers, channels, rivers, and ponds. It has been introduced also to the United States which supposed to intentionally release the fish over there to thrive or spread the species. A large number from this species can found in puddles during the dry season and in the flooded rice field, it gets the food and conditions to thrive or spawn. The fish back to the rivers and large water basin after or during the rainy season.

Zebra Danio Diet

These are omnivorous and their diet includes phytoplankton, zooplankton, insect larvae, and other insects. If the primary food source is not available then they can eat a large variety of foods like small crustaceans and worms. An adult species of zebrafish often fed with brine shrimp or paramecia. This is not a picky fish while eating. The fish prefer to feed food from the water surface. If the food starts drowning, the fish also can catch under the water. It doesn’t eat the food from the tank bottom.

The fish should feed multiple diets in small quantity in a day. It will help them for easy digestion and also, it keeps up clean your aquarium for next cleaning process.

Zebra Danio Behavior

The fish have the peaceful behavior for the group of fish in the tank. The fish can do easily live with any small and peaceful fish. The zebrafish easily share the territory with few species which are ember tetra, honey gourami, guppy, platy, and swordtail. It is fine to keep five fish in a tank. The fish feels less stress while living with other species. It often is seen that zebrafish chase each other but doesn’t show the aggressive behavior and mostly, they do this while living in a school. The fish don’t hurt each other and also not harmful for other species fish.

Zebra Danio Facts

  • These are vertebrate fish which means they have the backbone like human beings.
  • The length of these species generally grows up to 6.4 cm in wild.
  • The male fish in this species is usually identified by the presence of golden stripes between the blue stripes.
  • Some adult fish also have barbells or antennae in their mouth that help them to search food in muddy water.
  • These fish mature for reproduction in 3-4 months.

Zebra Danio Breeding

The zebra danio is easy to breed in captivity at home aquarium just using some simple tips. Keep the water under one or two inch from large glass marbles. Give some time to female to settle down in the breeding tank then put the male as well. The cold temperature increases the probability of courtship to begin. In the favorable conditions, the female will release her eggs in the open water and male immediately fertilize them. The eggs will then settle down at the bottom of the tank and after seven days, the eggs will hatch.

Both male and female should remove from the tank after hatching of eggs. During the seven days, the parents of eggs constantly well fed. The species spawn best in the morning due to their circadian rhythms. The attraction for females is not exactly understood. The décor plants in the tank can also encourage the female for spawning. Large use of the plastic decoration in the tank can disrupt the spawning process.

 Zebra Danio Diseases

The species have the strong immune system and not easily gets the diseases if the aquarium properly maintained. The fish species commonly caught by ich if the water quality is not good. The diseases in the tank may come with other fish species, plants, substrate, and even from decoration. A stressed fish can easily be caught by bacteria, parasite or ich. The water of the tank should be changed as regularly before increasing of bacteria or ich in the aquarium or tank. A filter in the tank can create a big difference.

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