Lambchop Rasbora | Glowlight Rasbora

Lambchop Rasbora vs. Glowlight Rasbora

Lambchop Rasboras and Glowlight Rasboras are VERY closely related and can look extremely similar, which is why you’ll sometimes see the common names used interchangeably in the aquarium hobby. They are, however, two different species.

• Lambchop Rasbora: Trigonostigma espei
• Glowlight Rasbora: Trigonostigma hengeli

One of the easiest ways to tell them apart is by looking at their color and the dark marking on the side of the body. Lambchop Rasboras generally develop more orange to reddish coloration across the body and have a larger, more noticeable lambchop shaped black marking.

Glowlight Rasboras tend to have a more slim dark marking with a bright orangeish or coppery color. Their overall body can also appear a little more translucent compared with a well colored Lambchop Rasbora.

It can still be tricky! Color can vary depending on age, stress, lighting, diet, and how recently the fish were shipped. Younger fish especially may not show the differences as clearly.

Because these fish are so closely related, you’ll sometimes see them mislabeled or their common names mixed together by breeders, importers, and aquarium stores.

• pH: 7.2 to 7.5
• GH: 8 to 16
• KH: 4 to 7
• TDS: 180 to 250
• Temperature: 70 to 74F

Quick Facts

• Adult Size: 1.5-2 inches
• Temperament: Peaceful
• Care Level: Easy
• Best Kept In: Groups of 6 or more
• Tank Level: Middle to upper water column
• Diet: Omnivore
• Great For: Peaceful community tanks, planted tanks, and nano aquariums

Rasbora Tank Recommendations

• Leaves: Indian Almond or Guava Leaves
• Wood: Malaysian or Mopani Wood
• Cones: Alder Cones
• Other: A buffered substrate can be helpful, as Rasboras naturally prefer softer, more acidic water

Lambchop vs. Glowlight Rasboras

If you’ve seen the name Glowlight Rasbora while shopping for Lambchop Rasboras, you’re not alone! These names are sometimes used interchangeably within the aquarium trade, especially because several closely related Rasboras can look VERY similar.

Because common names can vary between breeders, importers, and aquarium stores, the scientific name is the best way to know exactly which Rasbora you’re looking at!