Skip to content
Lambchop rasbora, photographed on a transparent background

FreshwaterIn the market80 coinsCommon

Lambchop rasbora

Trigonostigma espei

The slimmer cousin of the harlequin, with a looser and livelier shoal.

The Lambchop rasbora (Trigonostigma espei) is a tropical freshwater fish of the family Danionidae. It swims in midwater, close to the bottom. Adults grow to about 3 cm. In the aquarium it needs a tank at least 60 cm long and water at 23–28 °C.

Size
3 cm
Smallest tank
60 cm
Temperature
23–28 °C
Care
Easy

In the aquarium

Temperature23–28 °C
pH6.0–7.5
Hardness2–12 °dGH
Temperament
Peaceful
Diet
Omnivore
Activity
Moderate
Water layer
Mid water
Group
Happiest in a group of 8 or more
Plants
Plant safe
Drawn to scale in a 60 cm tank

These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.

Which tank it fits

  • Nano60 cm · 65 litres32 of them
  • Standard90 cm · 180 litres90 of them
  • Wide120 cm · 300 litres150 of them
  • Living room180 cm · 650 litres325 of them
  • Showcase250 cm · 1,200 litres600 of them
  • Gallery300 cm · 1,440 litres720 of them

Who it lives with

In the wild

Water type
Freshwater
Climate zone
Tropical
Habitat
Midwater, close to the bottom
Aquarium trade
Traded commercially

Conservation status

Classification

  1. OrderCypriniformes
  2. FamilyDanionidae
  3. GenusTrigonostigma
  4. SpeciesTrigonostigma espei

In other languages

English
Espei Rasbora

Quick answers

Lambchop rasbora size: how big does it get?
Adults reach about 3 cm. The smallest of the 4 Trigonostigma species on LumaReef (Somphongs's Rasbora is the largest, 10.5 cm).
Lambchop rasbora tank size: what is the minimum?
A tank at least 60 cm long. In LumaReef that is the Nano tank or larger.
Lambchop rasbora water parameters: what does it need?
Temperature 23–28 °C, pH 6.0–7.5, hardness 2–12 °dGH. Close to what most Trigonostigma on LumaReef need (22–27 °C).
Lambchop rasbora tank mates: what can it live with?
It gets along with 80 of the 99 freshwater species in the catalogue, such as Green neon tetra, Endler's livebearer, and Neon tetra.
Lambchop rasbora: alone or in a group?
Keep at least 8 together.
Lambchop rasbora and plants: is it plant safe?
Yes, it leaves plants alone.

All Danionidae speciesAll species A–Z

Sources

Lambchop rasbora: compiled from these references.