Saltwater Aquarist

Espes Rasbora

(Trigonostigma espei)

Espes Rasbora (Trigonostigma espei) in a freshwater aquarium

Species Description…

Scientific Name: Trigonostigma espei
Common Name: Espes Rasbora
Species Group: Rasbora
Tank Type: Community, Planted
Care Level: Beginner
Temperament: Peaceful
Diet Type: Carnivore
Role in Aquarium: Schooling Fish
Max Fish Length: 1.2 (inches)
Min Aquarium Size: 14 (gallons)
Native Range: Southwestern and southeastern Thailand and adjacent Cambodia (e.g. Prek Tuk Sap basin).
Min Temperature: 73°F
Max Temperature: 82°F
Min pH: 5.5
Max pH: 7.5
Min GH: 1 dGH
Max GH: 10 dGH
Min Group Size:
Breeding: Moderate
Lifespan: years

Overview

  • The Espe’s Rasbora (Trigonostigma espei), also called the false harlequin or lambchop rasbora, is a small copper-orange rasbora with a black wedge mark.
  • Native to forest streams in southwestern and southeastern Thailand and nearby Cambodia.
  • Grows to about 1.2 in (3 cm) standard length.
  • Looks similar to the harlequin rasbora, but has a slimmer black mark.

Feeding

  • A micropredator that eats small insects, worms and zooplankton in the wild.
  • Easy to feed. Offer small live and frozen foods such as bloodworm, Daphnia and brine shrimp alongside quality dried foods.

Habitat

  • A tank with a base of 24 × 12 in (60 × 30 cm).
  • Shows the best color in a planted tank with a dark substrate.
  • Water: 73–82°F (23–28°C), pH 5.5–7.5, GH 1–10.

Fish Care

  • Hardy in a well-maintained tank. A popular choice for aquascapes.

Compatibility

  • Very peaceful. Good with small cyprinids, tetras, livebearers, dwarf cichlids, catfish and loaches.
  • Avoid large or boisterous fish.

Aquarium Behavior

  • A schooling fish. [UNVERIFIED] Keep at least 8–10.

Breeding

  • No parental care.
  • Eggs are attached to the underside of broad leaves, such as Cryptocoryne, rather than scattered.
  • Fry may appear in mature, densely planted tanks.