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Danios

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Glofish

GloFish are Zebra Danios that have been genetically altered by introducing the DNA of a sea anemone.  GloFish are currently red, but more colors are expected soon.  

GloFish are identical in behavior to Zebra Danios.  Zebra Danios originally come from India.  They are an excellent beginning fish for aquarists because of their hardiness and the ease with which they breed.  They like to swim in schools and are very active. They eat flake foods.

 Scientific Name:
Danio rerio,
genetically altered
 Family:   Cyprinid
 Temperature:   18 - 28 C; 64 - 82 F
 PH   7
 Size:    6 cm; 2.5 inches
 Life Span:    5 - 7 years
 Breeding:    Easy, Egg Layer

Compatibility:

Bettas, Barbs, Catfish, Chinese Algae Eater, Clown Loach, Gouramis, Molly, Platy, Plecos, Rainbows, Red Tailed Shark, Swordtail

 

DISPLAY

GloFish™ fluorescent fish absorb light and then re-emit it. These never quite match the colors shown on the GloFish.com web site.  For best results, they suggest the following:

Daytime Viewing – A traditional white aquarium light (such as a fluorescent or halogen light) is ideal for daytime use. Because GloFish™ fluorescent fish absorb light and re-emit it, the fish's color will appear brighter and more vibrant as the amount of light used is increased. White gravel will further deepen the color since the reflective white color of the gravel will increase the overall amount of light in the tank.

Nighttime Viewing – Although a black light can cause these fish to glow, our experience has shown that the diffusion of light in the water does not create a worthwhile effect.  We don't recommend the purchase of a black light.

Zebra Danio
 
The Zebra Danio is a favorite beginner fish because it is hardy and easy to breed.  Zebras originally came from India.  They have uniform horizontal stripes along the entire length of their body.  They are rapid active swimmers and should be kept in schools of at least 6.  Zebras eat standard flake foods, but also like freeze dried bloodworms and brine shrimp.

Males have thin bodies, while females are larger and broader.  The belly on the female is white and very large when laden with eggs.  A separate tank is one alternative for breeding.  Marbles make an excellent substrate, as it will keep the parents from eating the eggs.  Eggs are scattered over the entire surface of the bottom of the tank.  After spawning, remove the parents.  Feed the fry infusoria and then brine shrimp

Another way to breed danios is to maintain several females and even more males in a tank.  Watch them carefully for breeding activity.  They will tend to spawn in the early morning after the day of a water change.  They will travel rapidly in a group around the bottom of the tank.  Once eggs have been released, the females tend to move to the upper levels of the tank, while males will swim excitedly about the bottom.  Males will eat eggs that are stirred up off the bottom by all their activity.  Another indication of a spawn of eggs is other fish from the upper tank levels, such as livebearers, feeding off the bottom.  At this point, siphon the bottom of the tank and fill a bucket.  Let the bucket water sit at room temperature for a couple of days and wait to see if any fry hatch.  If they do, proceed to our section on Feeding Fry.

 Scientific Name:   Danio rerio
 Family:   Cyprinid
 Temperature:   18 - 28 C; 64 - 82 F
 PH   6.0 - 8.0
 Size:    6 cm; 2.5 inches
 Life Span:    5 - 7 years
 Breeding:    Easy, Egg Layer
Zebra Danio
Quick Stats
Minimum Tank Size: 10 gallon
Care Level: Easy
Tank Conditions: 64-75F; pH 6.5-7.0; KH 8-12
Max. Size In Aquarium: Up to 3"
Color Form: Bright Blue, Gold, Purple, Silver
Temperament: Peaceful
Diet:  Omnivore
Compatibility: View Chart
Origin: India
Family: Cyprinidae

The Zebra Danio is a long-time favorite among freshwater aquarists. Kept in groups, this active community fish will make a great addition to the aquarium. These fish are silver or gold with bright blue/purple lines.

Danio rerio prefers a planted community aquarium with plenty of space to swim. This fish gets along with other Danio species as well as other peaceful fish of the same size.

Zebra Danio males generally spawn with and remain loyal to one female. A breeding pair should be placed in a breeding aquarium with fine-leaved plants for them to spawn over. Roughly 300-400 eggs are produced and hatch within two days. The fry should be fed small pieces of live foods such as brine shrimp.

An omnivore, the Zebra Danio should be fed a mixed diet of flake and frozen foods.

Compatibility:

Bettas, Barbs, Catfish, Chinese Algae Eater, Clown Loach, Gouramis,  Molly, Platy, Plecos, Rainbows, one Red Tailed Shark, Swordtail

Turquoise Danio

(Brachydanio kerri)
Turquoise Danio
Quick Stats
Minimum Tank Size: 10 gallon
Care Level: Moderate
Tank Conditions: 73-77F; pH 6.5-7.0; KH 8-12
Max. Size In Aquarium: Up to 2"
Color Form: Turquoise
Temperament: Peaceful
Diet:  Omnivore
Compatibility: View Chart
Origin: Asia, Malay Peninsula
Family: Cyprinidae

The Turquoise Danio, also known as the Blue Danio or Pearl Danio, is a slender-bodied, active, schooling fish ideal for the community aquarium.

Native to streams and pools, the Turquoise Danio does well with other Danio species and other peaceful fish of similar size. Kept with others in a school, this fish will be very active. The Turquoise Danio prefers a planted aquarium with plenty of swimming space available.

Turquoise Danio scatter their eggs in shallow water over a substrate of coarse gravel. After hatching, usually within 36 hours after spawning, the fry should be fed fine pieces of live foods. Sunlight may trigger spawning.

Turquoise Danios are omnivores and should be fed a diet of flake foods with plenty of vegetable matter, as well as freeze-dried bloodworms and tubifex.

Giant Danio

(Danio aequipinnatus)
Giant Danio
Quick Stats
Minimum Tank Size: 30 gallons
Care Level: Easy
Tank Conditions: 72-75F; pH 6.0-7.0; KH 8-12
Max. Size In Aquarium: Up to 4"
Color Form: Blue-Green, Gold
Temperament: Peaceful
Diet:  Omnivore
Compatibility: View Chart
Origin: India
Family: Cyprinidae

The Giant Danio is an excellent fish for the larger community aquarium. A blue-green background on the fish is intensified by its gold spots and lines.

Danio aequipinnatus is a very active fish requiring a large community aquarium with plenty of swimming room. A hood should be installed on the aquarium housing these fish, as they like to jump. Giant Danios should be kept in a group consisting of 5 or more fish.

An egg layer, the Giant Danio is stimulated to spawn by sunlight. After roughly 300 eggs are produced, hatching occurs within 36 hours. Fry should be fed fine pieces of live foods.

Giant Danios are omnivores and should be fed a diet of flake foods with plenty of vegetable matter, as well as freeze-dried bloodworms and tubifex.

 
White Clouds

The White Cloud or White Cloud Mountain Minnow originally came from China.  The body has a greenish background with golden zones along the main line of the body.  There are red spots on the fin tips, especially on the caudal fin.  The Gold White Cloud is a color variation where the body is a more solid silvery golden color while the fin tips remain reddish.

Although white clouds are compatible with other freshwater tropical fish, care must be taken with the temperature range.  Most tropical fish require a heater to ensure temperatures stay in the mid 70s, but this is the top of the range for the White Cloud.  White Clouds can do quite well in a fish bowl or unheated aquarium.  They should be kept in schools.

Males and females are difficult to distinguish, but easy to breed.  The males are somewhat longer and more colorful.  The water should be at the warmer end of their range.  Eggs are scattered over a number of days.  After spawning, remove the parents.  Feed the fry brine shrimp.

 Scientific Name:   Tanichthys albonubes
 Family:   Cyprinid
 Temperature:   13 - 24 C; 55 - 75 F
 PH   7.2
 Size:    4 cm; 1.5 inches
 Life Span:    5 - 7 years
 Breeding:    Easy, Egg Layer

Compatibility:

Black Phantom Tetra, Cardinal Tetra, Chinese Algae Eater, Ghost Shrimp, Glow Light Tetra, Guppy, Harlequin Rasbora, Mollies, Neon Tetra, Plecos, Platies

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