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Honey Gourami — Tank Size, Adult Size, Lifespan & Full Care Guide

Trichogaster chuna

Honey Gourami (Trichogaster chuna) in a freshwater aquarium
Photo: Antoondommerholt at Dutch Wikipedia · CC BY-SA 3.0 · Wikimedia Commons
A shy, golden labyrinth fish that stays small — ideal nano centerpiece.
Min 10 gal 2" adult Peaceful Easy care 72-82°F
2.0″adult size
10 galminimum tank
1+can be kept alone
4 yrlifespan
72–82°Ftemperature
Easycare level
Quick answer: honey gouramis reach 2.0″ (5.1 cm), need a minimum of 10 gallons (20 gallons recommended), live 4 years, and do best at 72–82°F with pH 6–7.5. They can be kept singly.

Care requirements at a glance

Scientific nameTrichogaster chuna
GroupAnabantoid
Adult size2 in (5.1 cm)
Minimum tank10 gallons
Temperature72-82°F
pH6-7.5
Hardness4-15 dGH
TemperamentPeaceful
SocialPair / single
DietOmnivore
Swim levelTop
Care levelEasy
Lifespan~4 years

How big do Honey Gouramis get? Adult size explained

Adult size at a glance2″ (5.1 cm)0″1″2″3″4″5″6″051015inchescm
Honey Gourami adult size against an inch and centimetre ruler.

Honey Gouramis sit in the classic community-fish size band. They are big enough to be visible from across a room, small enough that a standard 20-gallon tank gives them real swimming space. Adult honey gouramis reach 2.0 inches (5.1 cm). Fish you buy are almost always juveniles at roughly 0.9″, so plan the tank around the adult number, never the size in the bag.

StageTypical length
Size sold in storesabout 0.9″ (2.3 cm)
Half-grown1.5″ (3.8 cm) at roughly 6 months
Full adult size2.0″ (5.1 cm) by 10 months
Sexual maturityusually before full size, around 4–6 months

Growth rate depends mostly on feeding quality and water changes in the first six months. Stunted growth from poor water does not make the fish 'stay small' safely — internal organs keep growing, which shortens lifespan considerably.

Honey Gourami tank size: minimum vs recommended

Tank size for a group of 1 Honey Gourami10 gal · 38 Labsolute minimum20 gal · 76 Lrecommended — better colour, less stressDrawn to relative footprint. Wider beats taller for schooling fish.
Minimum vs recommended tank for Honey Gourami, drawn to relative footprint.
Short answer: the absolute minimum tank size for a honey gourami is 10 gallons (37 litres). For a healthy long-term setup we recommend 20 gallons (75 litres) or larger.

The 10-gallon figure is a floor, not a target. It assumes a cycled, filtered, planted tank and an owner who does weekly water changes.

Honey Gouramis do not need a group, so 10 gallons genuinely works for a single specimen. Stepping up to 20 gallons mostly buys you stability and the option of tank mates.

How many Honey Gouramis fit per tank sizetoo small5 gal410 gal820 gal1229 gal1740 gal2455 galGrey = below the 10-gallon minimum for this species.
Tank sizeHoney Gouramis it supportsVerdict
5 gallonsToo small
10 gallons4Workable minimum
20 gallons8Comfortable
29 gallons12Comfortable
40 gallons17Comfortable
55 gallons24Comfortable
75 gallons33Comfortable

Numbers assume honey gouramis are the main occupants with light additional stocking, a filter rated for the tank, and weekly 25–30% water changes. Use the stocking calculator to model a mixed community.

Honey Gourami group size: how many should you keep together?

Honey Gouramis do not shoal and are comfortable alone. Many keepers do keep pairs or small groups; if you do, watch for one individual monopolising food or territory, and provide enough broken sight lines (plants, wood, rock) that a chased fish can break line of sight.

Honey Gourami water parameters

Temperature72–82°FpH6–7.5Hardness4–15 dGH60°F / pH 5 / 0 dGH90°F / pH 9 / 30 dGH
ParameterRangeNotes
Temperature72–82°F (22–28°C)aim for 77°F and keep it stable
pH6–7.5target 6.8; stability beats the exact number
Hardness (GH)4–15 dGHmoderate to hard
Ammonia (NH₃)0 ppmany reading means the tank is not cycled
Nitrite (NO₂)0 ppmany reading is an emergency — water change now
Nitrate (NO₃)under 20–40 ppmcontrolled by water changes and live plants

This species tolerates — and in fact prefers — harder water, which makes it a good match for most municipal tap water in the UK, US Midwest and much of Europe.

Stability matters more than perfection. A tank sitting steadily at pH 7.7 is healthier than one swinging between 6 and 7.5 every week. Test your tap water first, then choose fish that match it, rather than buying the fish and fighting the water afterwards.

Ideal honey gourami tank setup

Ideal for nano tanks and calm communities. Prefer dense planting and dim lighting. A 10-gallon tank with a pair or single male and small peaceful tankmates is perfect. Avoid strong currents.

SubstrateDark substrate brings out colour; the choice is otherwise up to you.
PlantingHeavily planted with broad leaves and moss. Plants are not decoration for this species — they are cover, grazing surface and a stress buffer.
FlowGentle. Baffle the filter outflow if the fish are being pushed around.
LightingModerate. Floating plants diffuse the light and make shy fish bolder.
LidEssential. This species jumps, especially in the first weeks after introduction.

What do Honey Gouramis eat? Diet and feeding

Omnivores — small flakes, micro pellets, and frozen foods. They are shy feeders and may need time to adjust. Feed small amounts 1-2 times daily. Include plant-based foods.

The single most common feeding error is quantity, not quality. Honey Gouramis have a stomach roughly the size of their eye. Feed what disappears in about two minutes, once a day, and the tank stays clean.

Staple: quality flake or micro-pellet as the staple.

FrequencyWhat to do
DailyOne small feeding of quality flake or micro-pellet as the staple. Everything eaten within 2 minutes.
2–3× weeklyRotate in a second food type for variety and micronutrients.
WeeklyOne fasting day gives the gut time to clear. Skip this for fry and for shrimp.

Honey Gourami behaviour and temperament

Honey Gouramis are peaceful and will not start trouble. Their weakness is the opposite — they are easily bullied or outcompeted for food by faster or bolder species. They spend most of their time in the upper third of the water column.

Signs of a settled, healthy specimen: strong colour, fins held open, active foraging, and a normal reaction to your hand near the glass. Signs of a stressed one: clamped fins, faded colour, hovering in a corner, gasping at the surface, or hiding constantly during daylight hours.

How long do Honey Gouramis live?

about 4 years is the typical lifespan for honey gouramis in a well-maintained aquarium. Most fish that die early do not die of old age — they die of water quality in the first three months.
FactorEffect on lifespan
Stable, cycled waterAdds years. The most common cause of early death in honey gouramis is ammonia exposure in an uncycled tank.
Correct temperatureRunning warmer than 82°F speeds metabolism and shortens life; running cold invites disease.
Varied dietSingle-food diets cause organ problems and colour loss over time.
Right group sizeChronic aggression from a bad tank-mate match shortens lifespan.
GeneticsMass-bred stock from large farms often lives noticeably shorter than quality or local stock.

Honey Gourami tank mates: what works and what does not

Compatibility is decided by four things, in this order: water parameters (72–82°F, pH 6–7.5), adult size, temperament, and swimming level. A fish that matches on three and fails on one is not a match.

Good tank mates

Check any pairing in the compatibility tool →

Breeding honey gouramis

Males build bubble nests among floating plants. Courtship involves color intensification. Remove the female after spawning. Male guards the eggs and fry.

If you want fry to survive, the practical route is a separate, gently filtered grow-out tank. In a community tank almost every egg or fry becomes food, which is normal and not a sign that anything is wrong.

Male vs female honey gouramis

Males are more golden-yellow with a dark stripe through the eye. Females are paler and lack the distinct stripe. Males are more colorful during breeding.

Honey Gourami health, diseases and prevention

Hardy when kept in stable conditions. Sensitive to poor water quality. Quarantine new fish. Standard treatments for ich and bacterial infections work well.
ProblemWhat you seeWhat to do
Ich (white spot)Salt-grain white dots, flicking against decorRaise temperature slowly to 82°F and treat; aquarium salt is usually tolerated.
Fin rotRagged, receding or blackened fin edgesAlmost always water quality. Increase water changes before reaching for medication.
Bloat / constipationSwollen belly, stringy white wasteFast 2–3 days, then feed blanched deshelled pea or daphnia.
Bacterial infectionRed streaks, ulcers, lethargyQuarantine and treat with a broad-spectrum antibacterial; review water quality.
Stress / chronic hidingFaded colour, clamped finsCheck parameters, group size and tank mates before medicating.

Prevention beats treatment every time: quarantine new arrivals for two weeks, keep the tank understocked rather than at maximum capacity, and do a consistent weekly water change instead of a large emergency one every month.

First 30 days with Honey Gouramis: a practical checklist

Most losses happen in the first month, and almost all of them are avoidable. This is the schedule we recommend.

Before you buyDo not add fish yet. The tank must be fully cycled: ammonia 0, nitrite 0, nitrate present. A cycled tank is the single biggest predictor of whether these animals survive.
Day 1 — acclimationFloat the bag 20 minutes to match temperature, then drip acclimate over 45–60 minutes. Never pour store water into your tank.
Days 1–3Lights off or dimmed. Do not feed on day one. Expect hiding and pale colour; this is normal.
Days 4–14Test ammonia and nitrite every second day — new stock is the classic trigger of a mini-cycle. Feed lightly. Watch that every individual is eating.
Days 14–30Colour should be full and behaviour settled. This is the window where ich typically shows up — check body condition from above, not just from the side.
After day 30Now you can add the next species. Adding stock in stages rather than all at once is what keeps the filter ahead of the bioload.

Common mistakes when keeping Honey Gouramis

What does a honey gourami setup cost?

ItemTypical cost
Aquarium, 20 gal$64
Filter$25
Heater$18
Light$25
Substrate & decor$28
Liquid test kit$32
1× honey gourami$8
Estimated total$200

Indicative US retail prices for a new setup. Running cost is modest: mostly electricity for the heater and filter, plus food and a water conditioner. Buying a larger tank up front is almost always cheaper than upgrading twice.

Honey Gourami compatibility: verdict per tank mate

Each pair below is a full comparison of temperature, pH, adult size and temperament. Green means compatible, amber means workable with conditions, red means avoid.

Open the full compatibility matrix

Honey Gourami FAQ

What size tank do honey gouramis need?

The minimum tank size for honey gouramis is 10 gallons (37 litres). We recommend 20 gallons or larger for stability and room for tank mates.

How big do honey gouramis get?

Adult honey gouramis reach 2.0 inches (5.1 cm). Store specimens are usually juveniles at around 0.9 inches, so always plan the tank around the adult size.

How long do honey gouramis live?

Honey Gouramis typically live about 4 years in a well-maintained aquarium. Stable water quality and a varied diet are the two biggest factors in reaching the upper end of that range.

How many honey gouramis should I keep together?

Honey Gouramis do not need a group and are content alone, though many keepers keep pairs or small groups successfully.

What water parameters do honey gouramis need?

Keep honey gouramis at 72–82°F (22–28°C), pH 6–7.5, and hardness 4–15 dGH. Ammonia and nitrite must both read zero at all times.

Are honey gouramis good for beginners?

Yes. Honey Gouramis are rated easy to keep and are a solid choice for a first tank, provided it is fully cycled before they go in.

What do honey gouramis eat?

Omnivores — small flakes, micro pellets, and frozen foods. They are shy feeders and may need time to adjust. Feed small amounts 1-2 times daily. Include plant-based foods.

Do honey gouramis need a heater?

Yes. Honey Gouramis need 72–82°F, which is above typical room temperature. An adjustable heater sized to the tank is essential — temperature swings cause more disease than a slightly wrong average.

Do honey gouramis need a filter?

Yes. A filter houses the bacteria that convert ammonia to nitrate. Choose a filter rated for your tank volume; these fish come from slow water, so baffle a strong outflow.

Can honey gouramis live alone?

Yes. Honey Gouramis are perfectly content on their own and do not need company of their own kind.

What fish can live with honey gouramis?

Good tank mates include Neon Tetra, Cardinal Tetra, Guppy, Endler's Livebearer, Platy, Molly. Match water parameters first, then temperament, then adult size — anything that can fit a honey gourami in its mouth eventually will.

Are honey gouramis aggressive?

No. Honey Gouramis are peaceful and will not harass other fish. The risk runs the other way — they are easily bullied or outcompeted for food.

How do you tell male from female honey gouramis?

Males are more golden-yellow with a dark stripe through the eye. Females are paler and lack the distinct stripe. Males are more colorful during breeding.

Do honey gouramis breed in a home aquarium?

Males build bubble nests among floating plants. Courtship involves color intensification. Remove the female after spawning. Male guards the eggs and fry.

Why are my honey gouramis hiding or losing colour?

In order of likelihood: the tank is not fully cycled (test ammonia and nitrite), the group is too small, the temperature is unstable, or a tank mate is harassing them. Fading colour is the earliest visible stress signal in this species — test the water before treating for anything.

How much does a honey gourami setup cost?

Expect roughly $207 for a complete new 20-gallon setup including tank, filter, light, substrate, a test kit and the animals themselves. Buying the right size once is cheaper than upgrading twice.

Plan a tank with honey gouramis →

Marcus Rivera · Freshwater aquarist, 14 years fishkeeping

Every number on this page is cross-checked against at least four published sources and our own tank logs. Ranges reflect what keeps fish healthy long term, not the smallest tank an animal can survive in. See how we source data or our editorial policy.

✓ Reviewed 2026-08-21