"Perfect" Holes In Sword Leaves (and Giant Hygro)

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V

VTwinFanatic

Endlers
Mar 17, 2005
505
0
0
37
North Carolina
I have started noticing these perfect little round holes in my sword leaves. I have Several swords that are suffering from this including my giant hygro...anyone have any ideas...I would say snails, but my Yo-Yo loach doesnt give them much of a chance to do any damage. The main swords that are "infected" are my klein-bar, marble, radican, and red melon. The pics are below:

100_0675.JPG 100_0678.JPG 100_0682.JPG 100_0685.JPG 100_0687.JPG 100_0676.JPG 100_0680.JPG
 
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Jaysn

Jaysn

AC Members
Jan 16, 2007
303
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0
What fish do you have in the tank? I've seen my F8 poke perfectly round holes in java fern before.
 
F

fishorama

AC Members
Jun 28, 2006
12,695
2,129
200
SF Bay area, CA
My 3-4" clown loaches make U-shaped holes in swords, much smaller than the holes in your leaves. They don't do it if they get veggies & the sword gets iron.
 
Q

quadpants

AC Members
Jun 9, 2006
170
0
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Interesting... I have the exact same holes in my Amazon sword, both the circle and the one like your 3rd picture.

I also have 3 Yoyo loaches. I always thought they were from snails because it looks like a snail trail, but maybe it is the yoyos?
 
plantling

plantling

One bulwet left!
Feb 10, 2007
554
0
16
South Carolina
I also recently found round holes in an amazon sword leaf. I thought it was the small snails that seem to be multiplying. I also have angels and platy but no yoyo's. I've seen the angels pecking at another plant before and the platy pick on algae on the plants.

Vtwin, do you have snails?
 
GirlieGirl8521

GirlieGirl8521

Planted Tank Collector
Dec 21, 2006
883
2
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Alabama
Do you dose potassium? Looks like a potassium deficiency to me. ;)
 
V

VTwinFanatic

Endlers
Mar 17, 2005
505
0
0
37
North Carolina
Its not potassium deficeny, i dose every other day w/ potassium. I do have snails in the tank, but they are mostly MTS...I havent seen a pond snail in that tank in over a year...since i got the Yo-Yo.
 
W

wesknox

AC Members
May 3, 2007
82
0
6
I'm thinking that if the holes don't show any/much discoloration around the margin that these are caused by a tank inhabitant rather than a plant nutrition problem. Even nutrient deficiencies will show brown and/or yellow discoloration before loss of plant tissue. I'd put in a hidden camera and/or interrogate them all under bright lights (3+wpg) :)
 
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