Harlequin Rasbora coloration
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Old 06-03-2012, 10:59 PM   #1
cprash
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Harlequin Rasbora coloration


I have a school of nine HR's in a 29 gallon planted community and all are about 1 inch. I see the same (older) fish a deep red at my LFS. Mine are a dull brown orange with slightly orange fins and the "lambchop" a deep black.

They are fed a combination of Hikari micro pellets, generic flake food and twice a week, Hikari frozen spirulina brine shrimp. How do I bring out their colors?
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Old 06-04-2012, 12:22 AM   #2
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Some of it is genetics, so keep that in mind. To bring out colors, you need a varied diet. When I kept harlequins, they'd turn a deep orange after feeding them that same hikari brine shrimp you have. Basically foods with beta carotene and lots of variety. Get more frozen foods. Daphnia, blood worms, etc.
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Old 06-04-2012, 01:10 AM   #3
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Hm, I was considering the bloodworms. I'll give it a shot, thanks!
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Old 06-04-2012, 03:11 PM   #4
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Repashy gel that I bought from msjinkzd have really brought out some nice colors. The shrimp soufflet has a lot of carotene apparently.
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Old 06-04-2012, 04:52 PM   #5
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Weird coincidence, I was just looking at that thread. I definitely have buy some now, lol


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Originally Posted by TexasCichlid View Post
Repashy gel that I bought from msjinkzd have really brought out some nice colors. The shrimp soufflet has a lot of carotene apparently.
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Old 06-21-2012, 05:42 AM   #6
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How do you get them to eat it?
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Old 06-21-2012, 02:31 PM   #7
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Quote:
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How do you get them to eat it?
I've dropped mine as a cube on the bottom, everyone went to it. I've also floated some attached to a fishing bobber to keep it up top. Msjinkzd paints hers on driftwood.


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Old 06-21-2012, 04:24 PM   #8
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cprash I hope you don't mine me hijacking your thread. I tried hanging a piece of block of community plus in my tank yesterday but the harlequins did not go for it. My pearl gourami did later that night. I'll try the shrimp souffle though.
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Old 06-21-2012, 05:06 PM   #9
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Interestingly, I swapped out one of my two light fixtures yesterday on a long tank with Harlequins in it as an experiment. One fixture has two T5s = a 6700 and a 8000. The other fixture has only one 8000 T8. The pinker color of the T8 bulb makes the fish look a very deep (almost neon) coppery red. When they swim under the other light with the two T5 bulbs, 40% of that color washes out. I never realized how much the bulbs effect how we see color in the tank. (The plants look much greener under the fixture that washes out the fish. Never can win!)

I feed Tetra Color Max flakes, frozen bloodworms and frozen spirulina brine shrimp.
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Old 06-21-2012, 06:29 PM   #10
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New Life Spectrum foods really bring out the natural colors of fish. May look at them as an option as well
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