Can anyone identify this fish??? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 15 Old 05-04-2009, 12:23 PM Thread Starter
Can anyone identify this fish???

I bought 3 of these fish. They were sold to me as penguin tetras. After some investigation I'm certain they are not. They are a schooling fish. Here are some pictures, if anyone knows what they are please let me know. thanks.


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post #2 of 15 Old 05-04-2009, 01:05 PM
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Hey, No They Arent Penguin Tetra's, You Were Right There!!
I think They Are Pencil Tetra's.
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post #3 of 15 Old 05-04-2009, 01:14 PM
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No, definitely not the popularly-named Penguin tetra. I would suggest they are
Rasbora einthovenii commony known as the Brilliant Rasbora. Here are a couple of photos.
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File Type: jpg Rasbora_einthovenii 2.jpg (65.3 KB, 68 views)
File Type: jpg Rasbora_einthovenii 3.jpg (40.1 KB, 69 views)

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 youíre going to take it under your wing then youíre 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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post #4 of 15 Old 05-04-2009, 01:29 PM Thread Starter
Quote:
Originally Posted by Byron View Post
No, definitely not the popularly-named Penguin tetra. I would suggest they are
Rasbora einthovenii commony known as the Brilliant Rasbora. Here are a couple of photos.
I'd say you hit the nail on the head. Thanks a bunch.
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post #5 of 15 Old 05-04-2009, 01:38 PM
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well the closest I can come to what this fish could be is. either a (blue emperor tetra.) or the one lined african tetra. the stripe goes past the eyes on the emperor.
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post #6 of 15 Old 05-04-2009, 08:46 PM
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No, definitely not Emperor tetra! Emperor has a light blue area above the black area and that area is much larger.
Byron got it.

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Work in progress what do you think so far:
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post #7 of 15 Old 05-04-2009, 08:51 PM
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I just coudnt find any closer looking, in the fish book, so I dont have any other ideas.
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post #8 of 15 Old 05-05-2009, 06:14 AM
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My brilliant rasboras have red in their caudal fin and black line does not go through the eye.......Not sure if they are a brilliant rasbora...........Maybe the fish i have arent brilliants.........I would lean towards some type of pencilfish
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post #9 of 15 Old 05-05-2009, 09:26 AM
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Quote:
Originally Posted by Fishin Pole View Post
My brilliant rasboras have red in their caudal fin and black line does not go through the eye.......Not sure if they are a brilliant rasbora...........Maybe the fish i have arent brilliants.........I would lean towards some type of pencilfish
Do your rasbora resemble the ones in the two photos attached to my post--these are rasbora according to the sites, it was not my surmise. I cannot see any red in the caudal in these rasbora. Of course, fish of the same species can have considerable variance--if you ever do a Google image search of any species you will see just how variable they can be. Environment affects fish colouring as you know, and different water parameters can cause this.

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 youíre going to take it under your wing then youíre 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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post #10 of 15 Old 05-07-2009, 01:30 PM
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Byron, no my brilliant rasboras arent the ones pictured...........I understand the difference in diet, habitat can have an impact on the coloring of the same species fish, but the fish pictured is different than my brilliants.....(if that is what i have)..........Mine do not have the coloring on the edge of the scales, like the one pictured, plus miine have more goldish foil above the black line.........None of mine have the black line continue thru there eyes to the lips......I still think the pictured fish is some type of pencilfish
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