item: 5223698

GloFish® Cosmic Blue Tetra Fish

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Old Price $8.99
$8.99
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Browse online and buy in-store. Live pets are available in-store only. State and local regulations may vary. Some pets may not be available at all stores and may be seasonal. Pet size, gender and color may vary by store. Stop by your nearest PetSmart to find your next family pet.

Available In-Store Only

Browse online and buy in-store. Live pets are available in-store only. State and local regulations may vary. Some pets may not be available at all stores and may be seasonal. Pet size, gender and color may vary by store. Stop by your nearest PetSmart to find your next family pet.

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This item is not available for in-store pickup. Check store availability.

product highlights

The GloFish Cosmic Blue Tetra has a steely blue color with faint silver-gold horizontal stripes and a golden-orange patch on top of its head. The GloFish is just as hardy as a regular Zebra Danio and also features the same bluish striping. They are an active fish that will hang out around mid-water or upper water level. They are great for community tanks. Feed them a varied diet of flake, small pellet, and occasional small-sized frozen food.

Species: Tropical Fish
Environment: 10 gallon tank
Maturity Size: 3"
Experience Level: Beginner
Eating Characteristics: Flake, frozen, freeze-dried
Warning: Pet availability is seasonal. State and local regulations may vary. Pricing may vary by store location. PetSmart store cannot match the price below for this pet. Ask a store associate for details.
Vet Assured™ Promise: All pets purchased at PetSmart are raised under our exclusive Vet Assured program and come with a 14-day satisfaction guarantee. Vet Assured is a program designed by PetSmart veterinarians to improve the health and well-being of our pets. The program sets standards for the care of our pets by our live animal partners and store associates and establishes strict standards for the monitoring and prevention of common illnesses found in pets. PetSmart makes significant investment in the care of our pets and it is apparent in the quality and comfort of our pets in our stores. However, if your pet becomes ill during the initial 14-day period, or if you're not satisfied with your pet for any reason, PetSmart will gladly replace the pet or refund the purchase price. Please keep your sales receipt and return the pet to the store where you purchased if needed.

GloFish® Cosmic Blue Tetra Fish
8.99 New Out Of Stock
GloFish® Cosmic Blue Tetra Fish is rated 4.2 out of 5 by 6.
Rated 4 out of 5 by from Great Glow Fish I Bought One Of These Beauties A Few Weeks Ago To Go With The Rest Of My Glow Fish & They Get Along Fantastic! However The Blue Glow Fish Does Not Look "Very Blue" Under The Glow Light. This Is A Good Fish Though & I Would Recommend :)
Date published: 2015-04-07
Rated 5 out of 5 by from Fun fish to have! I just bought a blue Tetra Glofish today and as soon as I put it in the tank he immediately got along with the other three Glofish I already have. I love the way Ceviche glows in the black light! My Glofish aquarium is in my office at work and it adds color and excitement! All my coworkers love to visit my fishies. [[:
Date published: 2015-09-17
Rated 3 out of 5 by from Nice fish. This fish gets along very well with rest of the fish. This specific color under the blue light does not stand out. If you turn the daylight it looks pretty nice.
Date published: 2016-12-02
Rated 5 out of 5 by from So cool I love the way that dory (my blue glofish) looks under the glofish blue light.
Date published: 2015-01-09
Rated 3 out of 5 by from Not as bright We bought 5 glofish (sadly one didn't make it). They are very active, occasionally we'll see them in the corner schooling in the light current. Unfortunately the blue and purple just aren't as vibrant as the other end of the color spectrum. The blend in with the the dark background. Directions say to not always have the glolight on but to have a regular light shining to give them the proper nutrients. We found that they are all pretty under the regular bright light and the blue and purple fish are more visible. I recommend getting a plant the same color as each of your fish. Each of our fish seem to hide in their own spot by the plant that is their color.
Date published: 2016-07-28
Rated 5 out of 5 by from Great looking fish What is the highest temperature of the water that these fish can tolerate?...
Date published: 2019-04-23
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Would these fish go well with a Green Lantern Platy or two?

Asked by: KKRF
Depends on the size of your tank. If you have 29gallons+ yes. You will need a school of the tetras though (3 or more minimum).
Answered by: Yoshigecko
Date published: 2019-02-04

Do they need salt water

Asked by: Hijsjssj
no they dont
Answered by: fishlover2222
Date published: 2019-02-05

I want to get a "blue" colored fish. I have all other colors besides blue. Can this fish live peacefully with other freshwater fish that are not glo fish?

Asked by: LittleDonut14
This is a fish that needs to be in a school, and if the tank is large enough and you have compatible fish, this is good for you.
Answered by: pj768757656
Date published: 2019-02-04

So I was wondering if I get this fish if it can fit in a 3.5 gallon enchant aquarium and if so if it can live with a Buenos Aires tetra in the same tank 

Asked by: Hadleigh
Good rule to keep is, 1 gallon per inch of fish. Also, this type of fish is a Tetra so it should live peacefully with other Tetra's as well. Good luck!
Answered by: LittleDonut14
Date published: 2019-02-04

Would glofish be able to live in a 2 gallon tank? And would the delta guppy be able to live in a 2 gal. Also?

Asked by: Mol235
Definitely not. The only thing that can be comfortable in a 2 gallon would be a small group of shrimp, or maybe some sort of snail. Even bettafish need 2.5 gallons. Tetras need list of space to move, they’re very active. And they shouldn’t be kept with small fish with flowy tails (ex. guppies) because the tetras can rip and tear at the fins. 
Answered by: Kali K
Date published: 2019-02-04

What is the temperature that these fishes need their water to be? 

Asked by: AnahiSoto
My 6 glo tetras are happiest at 77 degrees, you should use an aquarium heater. 
Answered by: Utcbc
Date published: 2019-02-04

Can live fish be shipped to my house?

Asked by: Aem1982
Sometimes yes, but it appears here doesn’t do so.
Answered by: Banana bread
Date published: 2018-01-29

Are the glofish compatible with other fish? Especially other neons?

Asked by: sierra1113
Yes very much so they like other fish even other species as long as they are small. I'm glad you asked before doing it.
Answered by: golden carp
Date published: 2019-03-31
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