🐟 AquaticCare difficulty: BeginnerLegal complexity: Low

Gold barb

Barbodes semifasciolatus · also called Chinese barb, Schubert's barb, Half-banded barb, Green barb

The familiar gold-orange aquarium barb (the 'Schubert's barb' strain) derived from the wild green barb of southern China and Vietnam. Peaceful, hardy and tolerant of cooler temperatures, it is an excellent beginner schooling fish for community and subtropical tanks.

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Quick facts

Size	Around 7 cm (2.8 in); robust-bodied with males showing more intense gold-orange color and red fins in breeding condition.
Lifespan	4–6 years
Social needs	group
Native region	Southeastern China, Vietnam and Taiwan (Red River and adjacent drainages)
Origin	Old World
Climate	⛅ Subtropical
Water type	💧 Freshwater
Family	Cyprinidae
Genus	Barbodes

Part of the Barbs

Active, social cyprinids that thrive in schools and bring constant motion to a planted community tank. Most are hardy and beginner-friendly but appreciate swimming room and the security of a proper group.

Cherry barb Denison barb Rosy barb Tiger barb

Habitat & space requirements

From the minimum an animal needs to be kept humanely, up to the ideal setup. Bigger is almost always better — minimums are floors, not targets.

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Minimum

Shoal community

20 gal / 76 L long

Puntius semifasciolatus reaches 3 in. 20-gal long minimum for a shoal of 6+, with cool slightly acidic water, plants, driftwood, and peaceful tankmates. Active mid-water schooler.

Photo coming soon

Recommended

Planted community

29 gal / 110 L long planted

29-gal long planted with a shoal of 8+, driftwood, plants along sides, and peaceful tankmates. Bright gold colour intensifies in cooler water.

Photo coming soon

Ideal

Asian biotope shoal

40 gal+ / 151 L+ biotope

Asian biotope with driftwood, plants, sand, and a shoal of 10+. Hardy and long-lived — good first community schooler.

Life & growth stages

How this animal changes through its life — each stage often has its own care, diet and space needs.

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Egg

Fish eggs are small, translucent spheres, often laid in clutches on plants, substrate, or in a nest — or carried/brooded by a parent in livebearing and mouth-brooding species. A dark eye spot and the curled embryo become visible inside as development progresses.

Photo coming soon

Fry

Newly hatched fry are tiny and semi-transparent, frequently still carrying a yolk sac that fuels them before they feed freely. They lack full fin structure and adult coloration, staying near cover until they can swim and forage on their own.

Photo coming soon

Juvenile

Juveniles look like miniature adults but with developing fins and muted or different markings; many species shift pattern and color as they mature. Growth is rapid at this stage given clean water and steady feeding.

Adult

Adults show the species' full size, finnage, and mature coloration, and are sexually mature. Many fish develop sex-specific differences in size, color, or fin shape, which can intensify during breeding.

Color & pattern variants

Natural variants occur in the wild; selectively bred (man-made) variants were developed in captivity.

Natural

representative

Green barb (wild form) →

The naturally olive-green wild colouration with dark bars, less common in the trade than the gold strain.

representative

Green / wild-type →

CommonBeginner

The ancestral form of the species: a green-bronze body with dark blotches along the flank — the wild look from which the familiar gold strain was bred.

Tip: An active, peaceful schooler; keep six or more so color and confidence develop, as lone barbs stay drab and may nip.

Selectively bred (man-made)

representative

Schubert's barb (gold form) →

The classic golden-orange aquarium strain selectively bred from the wild green barb; the form most often sold.

representative

Gold (xanthic) →

CommonBeginner

The selectively-bred xanthic strain that gives the species its common name — a glowing metallic gold-yellow body with a green dorsal sheen and small dark spots.

Tip: Color is richest under good lighting and a varied diet; otherwise care is identical to the wild green form.

representative

Albino →

UncommonBeginner

A pale pinkish-white to soft-yellow strain with red eyes, the flank spotting bleached almost away.

Tip: Hardy like the others; provide some floating cover, as red-eyed barbs prefer slightly subdued, dappled lighting.

representative

Longfin →

UncommonBeginner

A finnage mutation extending the fins into flowing veils, most often paired with the gold body for a showy planted-tank fish.

Tip: Keep with non-nippy tankmates — barbs themselves can nip, so a longfin school should not be mixed with fin-chasing species.

Habitat & enclosure

House a school in at least 90-110 L (24-30 gal) with open swimming space. They are subtropical: 18-24 C (64-75 F) and can be kept unheated in temperate rooms; pH 6.0-8.0 and soft-to-hard water (up to ~25 dGH) are all tolerated. Provide gentle-to-moderate flow and a mix of planting and open areas.

Wild fish come from streams and slow rivers of southeastern China, Vietnam and Taiwan, where they are very adaptable to varying water.

Substrate

A darker gravel or sand base enhances their gold-orange tones and keeps them confident. Add plants around the sides and back with an open swimming channel in front; driftwood and smooth stones complete a stream-style scape.

Equipment & setup

A standard canister or hang-on filter providing light current is ideal. A heater is optional in warm homes; ordinary community lighting works well and a dark substrate/background brings out coloration.

Diet

Omnivore. Offer a good flake or pellet base plus regular frozen/live foods (bloodworm, daphnia, brine shrimp) and vegetable matter such as blanched courgette or spirulina. Small frequent feedings keep them in best color.

Behavior & temperament

One of the more peaceful barbs and not a habitual fin-nipper when kept in groups of 6+, though a too-small group can become squabbly among themselves. Excellent in subtropical/community setups with danios, white cloud mountain minnows, larger tetras, peaceful loaches and corydoras; avoid very long-finned tankmates as a precaution.

Health

Very hardy and disease-resistant with stable water. The usual freshwater concerns apply — ich after chilling, and fin/skin infections from poor maintenance. Quarantine new arrivals; they generally thrive with simple routine care.

Tips, DIY & hacks

Free-spawning egg-scatterers that breed readily — condition the group, then move a pair or trio to a planted/spawning-mop tank and remove adults after eggs are laid to stop them being eaten. Because they tolerate cool water, they pair nicely with white cloud mountain minnows in an unheated subtropical aquarium.

Sources

Barbodes semifasciolatus - Wikipedia (encyclopedia)
Gold Barb (Barbodes semifasciolatus) - Seriously Fish (care guide)
Wikipedia: Gold barb (wiki)