trigonostigma espei or trigonostigma hengeli? :P - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 2 Old 11-23-2012, 02:05 PM Thread Starter
trigonostigma espei or trigonostigma hengeli? :P

I have 5 of these rasboras in my 10 gallon, with one platy and one guppy (rest died). I bought them from a LPS in february 2012 as harlequins, but they are obviously not. I have thought for the longest time that they are trigonostigma espei, but I am begginning to think they may be trigonostigma helgeli. I am considering buying more, so please could someone help me distinguish them?

Here is the tank info:
-10 gallons
-silk plants, with a big bunch of hornwort
-topfin 100W heater, around 76F
-topfin 20 power HOB filter

10 Gallon Tank:
~Countless Pond Snails~1 Espe's Rasbora~1 Harlequin Rasbora~

5 and 5.5 Gallon Tanks:

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Many of my scaly friends from my original tank from 2011 have passed, except for two! I am in the process of re-doing my tank. :)
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post #2 of 2 Old 11-25-2012, 12:32 PM
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All three species are in our profiles, with physical descriptions and photos. Check the physical descriptions as well as the photos as that should make it easier. You can click shaded names for the specific profile:
Trigonostigma espei [common name Lambchop Rasbora]
Trigonostigma hengeli [Hengels Rasbora]

These two are often confused in stores, I have seen the Hengels labeled Espei. I have both, and they are fairly easy to differentiate once you know. Both are very nice fish, and should be in larger rather than smaller groups when space permits. Minimum 7 but more is better, as it mentions in the profiles.


Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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