Rasbora Swift Harlequin Rasbora Hengelii (copper harlequin)
Rasbora Swift Harlequin Rasbora Hengelii (copper harlequin)

Harlequin Rasbora

$6.99 NZD $5.99 NZD Save 14% Sold out
Tax included. Shipping calculated at checkout.

Live Fish

Size: 1 x

Pickup currently unavailable at 28 Wellesley Road Napier South

  • DOA Cover*
  • Insulated Box & Heat Pads
Shipping & Returns

All live fish are shipped using NZPost overnight services with authority to leave (no signature).

We cannot guarantee the overnight services, this is a service that we/you pay for; but is not guaranteed.

We DO NOT offer returns on any alive animal.

Above are key points of our policy, Click Here to read our full shipping policy.
Dead On Arrival (DOA) Cover*
  • DOA must be reported within 2 hours of delivery.
  • Bags must remain sealed (do not remove rubber band or tape)
  • Photos & Videos must be supplied this can be emailed or sent through live chat; including your order No. (minimum 3 clear images, showing dead fish & sealed bag)
  • DOA does not apply once the bags are opened & fish have been released.
  • DOA does not apply to any Rural (RD) address.

Click Here for DOA Cover Policy
Introducing New Fish
Size

The Harlequin Rasbora Hengelii, commonly known as the Copper Harlequin, is a small, peaceful schooling fish prized for its warm copper-orange body and distinctive black wedge marking accented with an iridescent orange glow.

Native to slow-moving blackwater streams in Southeast Asia, Copper Harlequins are hardy, calm, and ideal for planted community aquariums. Their subtle colouring intensifies in soft, slightly acidic water and when kept in proper schools.

Physical Characteristics:

  • Adult Size: 3–4 cm

  • Body Shape: Slim and laterally compressed

  • Colouration: Copper-orange body with black wedge marking and orange iridescence

  • Sexual Dimorphism: Females slightly rounder when mature

  • Lifespan: 3–5 years

Physical Characteristics:

  • Adult Size: 3–4 cm

  • Body Shape: Slim and laterally compressed

  • Colouration: Copper-orange body with black wedge marking and orange iridescence

  • Sexual Dimorphism: Females slightly rounder when mature

  • Lifespan: 3–5 years

Aquarium Requirements:

  • Minimum Tank Size: 40 litres

  • Water Temperature: 22–28°C

  • pH Range: 5.5–7.0

  • Water Hardness: 2–10 dGH

  • Water Flow: Gentle

  • Substrate: Sand or fine gravel

  • Aquascape: Live plants, driftwood, shaded areas

  • Lighting: Low to moderate

Feeding:

Harlequin Rasbora Hengelii are omnivorous and easy to feed:

  • High-quality micro pellets

  • Fine flakes

  • Frozen foods (daphnia, brine shrimp, cyclops)

  • Occasional live foods

Feed small amounts once or twice daily.

Compatibility:

Suitable Tank Mates:

  • Other rasboras

  • Small tetras

  • Corydoras catfish

  • Otocinclus

  • Dwarf gouramis

Avoid Housing With:

  • Large or aggressive fish

  • Fin-nippers

  • Fast, boisterous species

Breeding:

  • Spawning Type: Egg scatterer

  • Breeding Difficulty: Moderate

  • Breeding Notes:

    • Spawns under broad-leaf plants

    • Eggs fall onto substrate

    • Adults may eat eggs; breeding tank recommended

Special Considerations:

  • Colours intensify in soft, slightly acidic water

  • Best visual impact when kept in groups

  • Sensitive to sudden water parameter changes

  • Excellent choice for planted and blackwater aquarium




*Product Photo is for reference only. Exact fish may vary in size and colour

Recently viewed products