Juruparoid reproduction

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S

srikamaraja

Feeder Fish
MFK Member
Mar 14, 2007
591
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Vernon, CT
I've decided to remove any fish that would interfere with breeding from my jurupari/leucosticta tank. It is currently a 55 gallon standard, with two 179gph powerheads with sponge intakes, and two 60g rated tetra whisper filters. There are large pieces of Mopani driftwood along the back, as well as cured driftwood I collect from the forest. It keeps the water yellow/brown with tannins near 24/7.

My question is, should I take out most of the driftwood to give the Juruparoids more digging space?

Side note: the fish being rehoused are
6" BGK
12" Gibbiceps pleco
4" Spotted Raphael cat
12" Peacock Eel

there is a big school of zebra and polka-dot loaches, I'll remove them if they fail to behave.

there is also a 15" ropefish, but he hasnt eaten anyone, and actually likes veggies. anyone for first vegetarian polypteriform on MFK?

eye candy!
jurupari.jpg
 
i dont know about takeing it out or not but to get rid of the tannins you got to boil it for 3-4 hours on the stove and soak it under water for about a week.
 
Since they are South American fish with a preference for soft water, I like the tannins and have no problem with them. The fish LOVE the yellow/brown water, so it is generally a good thing. Some people have to pay money to get blackwater extract.
 
Beautiful fish! They are leucosticta-type (not jurupari), and will probably lay eggs on a smooth stone. I keep Satanoperca aff. leucosticta that look very similar to yours and they pick up after 20 hours and hold the eggs for 9 days, then release up to 400 fry.

I honestly think your best bet is to take out all of their tankmates if you wish to breed them. How many of the Satanoperca do you have? I would keep them by themselves and a small school of tetra to avoid fry predation and any fish that might deter them from spawning.

The tannins are good for them, mine breed in pH 6.2, gH 3º, kH 1º, conductivity: 119µm, and temp 86º but is free of tannins or color.

Here is a video if you want to compare them to yours...
http://s191.photobucket.com/albums/...leucosticta/?action=view&current=MOV05413.flv

HTH and good luck with them,

Ed
 
I have two Leucosticta, two true Jurupari, very dull looking, and two juvenile "juruparoid" fish, not sure which they'll turn out to be, but I see green spangles.

God help me though, these fish are absolutely impossible to sex. Completely monomorphic with very little differentiation in vents.

Lovely fish, Ed. Can't wait till mine breed, they're roughly the same size. What do you feed? My fish are fed a variety of bloodworms, mysis shrimp, thawed frozen peas, and shrimp pellets. I soak all frozen food in Kent Marine Micro-Vert.
 
Thanks!

God help me though, these fish are absolutely impossible to sex. Completely monomorphic with very little differentiation in vents
Click to expand...
Very true! I was fortunate enough to end up with 1m/3f (I guessed the male wrong initially and for a long time thought I had 1f/3m). Two of the females I absolutely cannot tell apart, except when one pairs with the male.

I feed about the same: crushed shrimp pellets, chopped zucchini, vegi-flakes, and frozen brine.

Ed
 
My understanding: Juruparoid is a term that covers the Satanoperca genus (demonfish), and is most closely associated with jurupari-type fishes, or when the "species" is unknown, like when referring to the ancestor of the genus, you could refer to it as a "Juruparoid" and you would know it most likely resembled the species S. jurupari.

Ed
 
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