Is the Green Neon Tetra suitable for beginners?

Yes, it's generally considered a beginner-friendly tropical fish. As long as you keep basic water quality, temperature, and feeding routines in check, it's an easy fish for first-time aquarium keepers.

How is it different from the regular Neon Tetra?

They look very similar, but the color of the body stripe differs. The Green Neon Tetra's stripe runs the length of its body with a more blue-green tone, compared to the vivid blue of the standard Neon Tetra.

How many should I keep together?

It's best to keep more than just one fish alone. Swimming in a group brings out their natural schooling beauty and tends to reduce stress, and the right number for your tank depends on its size.

How long do they live?

Their typical lifespan is 2-4 years. Individual results vary, but keeping water quality and temperature stable helps them live a long, healthy life.

Is the Green Neon Tetra subject to CITES?

The Green Neon Tetra is not subject to CITES.

Green Neon Tetra

The Green Neon Tetra looks much like the classic Neon Tetra, but with a blue-green stripe that runs the full length of its body, on a tiny frame that tops out around 2-3cm. It's a peaceful, schooling fish, and a group swimming together shows off its color at its best. It readily takes both prepared and frozen foods, making feeding straightforward rather than fussy. Considered a beginner-friendly species, it suits first-time aquarium keepers, and with steady water quality and temperature it can be a companion for around 2-4 years.

View Green Neon Tetra encyclopedia →

Find Green Neon Tetra breeders(0)

Limited Time Offer

0% commission on your first sales!Register by September 30, 2026 and your first 2 sales are commission-free!

Breeder Wanted!

List on BreederDirect and sell directly to customers nationwide!

Free registrationNo monthly feesCommission on sales only

Our 6 Transparency Commitments

All Tropical Fish listings include water quality, temperament, and tank size information from verified Breeder.

Origin Disclosed
Real Photos
Water Quality Disclosed
Recommended Tank Size
Temperament Disclosed
Breed Line Disclosed

All species Guppy Endler's Livebearer Betta Peaceful Betta Emerald Betta Brunei Beauty Whiteseam fighter Mahachai fighter Discus Pleco Otocinclus Bristlenose Pleco

Browse all 341 breeds

Filter

Price

Region

Has show resultsChampion titles

Attributes

WYSIWYG (Actual photo)

0 items

Sort by

Verified breeders wanted for Tropical Fish

Breeders are signing up now ahead of launch. Subscribe to be notified when new listings go live.

Find breeders Browse the Tropical Fish encyclopedia

Getting alerts is free with a member account. When new listings match your saved search, we'll notify you by email and in-app.

Browse other categories

Dogs Cats Marine Fish Coral Goldfish Medaka Reptiles & Amphibians Small Pets Birds Insects Exotic Invertebrates

Verified breeders (preview)

中

中村篤史 Breeder

大阪府

西

西川康弘 Breeder

香川県

Are you raising tropical fish?

Apply as a breeder

Green Neon Tetra key facts

Care level: Beginner-friendly
Lifespan: 2-4 years
Size: 2-3cm
Temperature: 24〜28℃
Diet: Pellets, Frozen food
Water Temperature & Quality: Ideal conditions are 24-28°C in very soft, acidic to slightly acidic water (pH 4.5-6.5). A tannin-stained blackwater setup suits it best.
Housing: Keep 10 or more to enjoy a beautiful turquoise-green school. Singles or small numbers stay nervous, so introduce them as a group.
Tank Mates & Compatibility: Peaceful and compatible with most small fish. Choose tankmates with similar water requirements and avoid housing with large fish.
Diet & Feeding: It favours fine granules, frozen daphnia and brine shrimp. The mouth is tiny, so offer finely sized food in small amounts.
Health & Cautions: Extremely sensitive to water changes, so do frequent small water changes rather than large ones.
Notes: More delicate than neon, sensitive to water

TraitsGreen NeonBlue-greenLarge schoolUltra-small

About Green Neon Tetra

Green Neon Tetra is an ultra-small tropical fish with a blue-green stripe running the length of its body. Peaceful and stunning in schools, it's an easy, beginner-friendly fish living 2-4 years and growing to 2-3cm.

7 things to know before welcoming a Green Neon Tetra

1Keep Them in a School
Green Neon Tetras show their true charm when kept as a group rather than alone. Swimming together in numbers makes their blue-green stripes shimmer beautifully and creates the schooling display they're known for. A single fish or very few can seem restless, so plan to start with a reasonable group size.
2Peaceful, Good Tankmate
They have a calm temperament and get along well with other small, peaceful tropical fish. Because they're so small, sharing a tank with aggressive or large-mouthed fish can put them at risk of stress or being eaten, so choose tankmates of similar size and temperament.
3Stable Water Conditions
As a tropical fish, it prefers stable water temperature and is sensitive to sudden changes. Doing small, frequent water changes and keeping the filter running cleanly helps keep the water quality steady, which is key to a long, healthy life.
4Small Mouth, Small Food
Because their mouths are tiny, choose finely sized artificial or frozen food that's easy for them to eat. Feeding too much at once can foul the water, so it's better to offer small amounts several times a day.
5Telling It Apart from Neon Tetra
It closely resembles the standard Neon Tetra but can be told apart by the color of its stripe. While the Neon Tetra has a vivid blue line, the Green Neon Tetra's stripe runs the full length of its body with a more greenish-blue tone. It's worth checking the coloring closely before bringing one home.
6Watch for Health Changes
Being a small fish, subtle changes in condition can be easy to miss. Sluggish swimming, staying apart from the group, or dull coloring are signs worth paying attention to. Making daily observation a habit helps you catch issues early.
7Prepare the Tank First
A newly set-up tank, where water quality and temperature haven't stabilized yet, can be stressful for a small, delicate fish like this one. Make sure the tank environment is well established before bringing them home, and take time to acclimate them gradually to the new water.

Frequently asked questions about Green Neon Tetra

Q.Is the Green Neon Tetra suitable for beginners?: A.Yes, it's generally considered a beginner-friendly tropical fish. As long as you keep basic water quality, temperature, and feeding routines in check, it's an easy fish for first-time aquarium keepers.
Q.How is it different from the regular Neon Tetra?: A.They look very similar, but the color of the body stripe differs. The Green Neon Tetra's stripe runs the length of its body with a more blue-green tone, compared to the vivid blue of the standard Neon Tetra.
Q.How many should I keep together?: A.It's best to keep more than just one fish alone. Swimming in a group brings out their natural schooling beauty and tends to reduce stress, and the right number for your tank depends on its size.
Q.How long do they live?: A.Their typical lifespan is 2-4 years. Individual results vary, but keeping water quality and temperature stable helps them live a long, healthy life.
Q.Is the Green Neon Tetra subject to CITES?: A.The Green Neon Tetra is not subject to CITES.

Useful tools for Green Neon Tetra care

💧Aquarium Volume CalculatorCalculate water volume, weight, and heater wattage from tank dimensions 🧪Water Quality CheckerFind compatible fish, shrimp, plants & corals based on pH, temperature & hardness 🍽️Feeding GuideCheck feeding frequency, portion sizes & supplements by species and growth stage 🤝Compatibility CheckerCheck compatibility between two species on a 5-level scale 📊Fish Compatibility MatrixCheck fish compatibility at a glance with our matrix chart 🔄Nitrogen Cycle GuideAuto-calculate bacteria colonization timeline for new tank cycling 🗓️Seasonal Care CalendarMonthly care events and seasonal management tips at a glance 🚿Water Change CalculatorAuto-calculate optimal water change frequency and volume by tank size and fish count 🐠Stocking CalculatorCalculate max fish capacity for your tank size with overstocking alerts ⚡Electricity Cost SimulatorCalculate monthly and annual electricity costs for care equipment with presets 🧬Breeding PlannerSelect parent varieties to view breeding schedules and offspring patterns 🏞️Tank Layout PlannerGet substrate, plant & hardscape suggestions based on tank size and style 🧮Care Cost SimulatorEstimate initial, monthly & annual costs by category, care level and quantity ⚖️Species Comparison ToolCompare two species side by side: care difficulty, size, lifespan & temperature 🎯Pet Match DiagnosticAnswer 7 questions to find your top 3 perfect pets 📋Lifetime Cost SimulatorEstimate lifespan and lifetime costs by species for dogs, cats, reptiles and more 🚚Transport Safety CheckerCheck transport safety score and precautions by category, season, method and distance 💊Medication Dosage CalculatorCalculate proper medication dosage by body weight and medicine type for fish, reptiles, and small animals ⏱️Quarantine & Acclimation TimerManage quarantine periods and acclimation steps with countdown timers. Includes recommended durations by species

Learn more about Green Neon Tetra in the encyclopedia

View Green Neon Tetra encyclopedia entry →

Care difficulty, lifespan, size and diet — all basics covered.

Green Neon Tetra related articles

Green Neon Tetra Care Guide | Differences from Neon Tetras, Water Quality, and the Beauty of Schooling

A detailed guide to caring for the smaller and more beautiful green neon tetra (Paracheirodon simulans). Covers the differences between green neon tetras, neon tetras, and cardinal tetras, how to create optimal weakly acidic soft water, tank layouts that showcase schooling behavior, and breeding basics—a complete guide to enjoying green neon tetras.

See more Green Neon Tetra articles →