Will Jumpers Always Jump?

Kengar

Active member
Before I spend the money for a net covering and the money for a fairy wrasse (Scott's or Lineatus or rhomboidalis), I was wondering whether anyone has had "jumpers" long term that haven't jumped where the tank is not overcrowded and other tankmates are fairly mellow. Firefish in this category, too.

Tank is a 7-footer, there's a good bit of rock with lots of places (and substrate) to hide, and there are only 7 fish in there now (pair of clowns in a RBT 'nem, a desjardini tang (most assertive of the bunch), orange spotted goby, bullet goby (A. phalanea), falco hawkfish, and a lawnmower blenny -- so pretty mellow group)

Other than the wrasse, I really only plan to add a goldflake angel and a few other "scooters" (mandarin, rainford goby, hector's goby, etc.) or a jawfish or two.

I realize that this is a your-mileage-may-vary question, and there could always be a risk. I just want to see whether there are any "data points" out there that might indicate I could get away without the cover given my configuration.

Thanks.
 
In my experience, jumpers can sometimes go awhile without jumping, but eventually they jump. I had a friend with a nice moray. He never saw the moray mess around near the top of the tank and he eventually removed the cover to make it easier in cleaning the tank. He went 4-5 years with the moray never coming out...... but then it did.
 
Even with a canopy, I've lost 2 great wrasses because they found a small gap in the back for ventilation to jump through. I should have learned the first time, but that gap is now protected.
Short answer, if they can they will.
 
Yes... They are classified as jumpers for a reason..
Luck is all that applies there..

"Do you feel lucky punk" :)
 
uhhhhhh, I'm not getting this one. Sorry! :)

In any event, top ordered.

Thanks for the input.

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Jumpers may not jump and
non-jumpers may jump or
both will jump or
non will jump.

They are only called jumpers because they are more apt to jump, just like the Asian carp in the Mississippi.
My dad, while rowing a boat, had a small mouth bass jump in his lap.
 
You asked specifically about firefish: mine did not jump for about five years. They got spooked during a rock rearrangement and jumped then, but luckily into the weir.

While they were in a 3ft quarantine for three months, and had pvc pipe for shelter, they jumped all the time. I would hear them hit the glass a few times an hour.

Guess the answer is, do you feel lucky?
 
Any fish can. Some are more likely than others.

Considering the negligible expense of a DIY screen top I cannot think of a good reason not to have it covered. For your 7' tank I'm guessing you'll have less than $50 or so in the top.
 
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