Fish attacking each other
Tropical Fish

Tropical Fish Keeping - Aquarium fish care and resources » Freshwater Fish and Aquariums » Freshwater and Tropical Fish » Fish attacking each other

Fish attacking each other

This is a discussion on Fish attacking each other within the Freshwater and Tropical Fish forums, part of the Freshwater Fish and Aquariums category; --> For the most part, this has been happening since I stocked my 29 gallon with 2 Dwarf Gourmis, 16 tetras, 3 Mollies, and 6 ...

Check out these freshwater fish profiles
Clown Pleco
Clown Pleco
Panda Corydoras
Panda Corydoras
Reply
LinkBack Thread Tools vBmenu Seperating Image Search this Thread vBmenu Seperating Image
Fish attacking each other
Old 01-15-2007, 04:04 PM   #1
 
Fish attacking each other

For the most part, this has been happening since I stocked my 29 gallon with 2 Dwarf Gourmis, 16 tetras, 3 Mollies, and 6 coryfish. All of the fish, except the coryfish, have been "attacking" the other fish (I believe fin-nipping is the more appropritate term). What is interesting is that only gourmis will only attack gourmis, mollies only mollies, and tetras only tetras. It's quite consistent. What could be the problem?
Hazarrd is offline   Reply With Quote
Old 01-15-2007, 04:30 PM   #2
 
Amphitrite's Avatar
 
Hazzard, how long has the tank been running, and what are your water parameters?

Also, do you have plants and plenty of hiding places for the fish to feel secure?
Amphitrite is offline   Reply With Quote
Old 01-15-2007, 07:15 PM   #3
 


Ammonia - 0, Nitrites - .5, Nitrates - 20, pH 7.2

It has been set up for about 4 weeks.

Thanks.
Hazarrd is offline   Reply With Quote
Old 01-15-2007, 09:12 PM   #4
 
Lupin's Avatar
 
What tetras do you have? Some are quite vicious fin nippers like the Serpae Tetras. Tetras do establish pecking order within their group thus the 'attacking'. Nothing serious unless they just keep shredding each other's fins which will result to fin rot.

What gender are your dwarf gouramis? Two males is a bad idea IMO. Male dwarves tend to become territorial as they stake their territory. Even females will be battered by males.

What are the genders of your mollies? A sex ratio of one male to 2-3 females is fine.

Also try to do a daily water change of 10% to dilute the nitrites.:)
Lupin is offline   Reply With Quote
Old 01-16-2007, 05:16 PM   #5
 
Blue,

You are the one who suggested I get the 2 Male Dwarf Gourmis.
Hazarrd is offline   Reply With Quote
Old 01-16-2007, 05:44 PM   #6
 
Lupin's Avatar
 
Quote:
Originally Posted by Hazarrd
Blue,

You are the one who suggested I get the 2 Male Dwarf Gourmis.
Huh? I don't remember saying two males. I have always recommended a pair(female and male), not 2 or more males in the same tank. Males get very aggressive in a small tank.
Lupin is offline   Reply With Quote
Old 01-16-2007, 05:47 PM   #7
 
Lupin's Avatar
 
It was unfortunate I did not see you mentioned both were males.
http://www.fishforum.com/viewtopic.php?p=29330

I did recommend two dwarf gouramis but not two of the same gender.
Lupin is offline   Reply With Quote
Old 01-17-2007, 10:53 AM   #8
 
So I am going to get rid of one of the gouramis I guess. But I still have 2 Mollys of which I don't know the gender. The place I bought them from said the mollys were too young to be able to tell what their gender was. Is that something I should be concerned about? I think I've picked out the 1 of the 3 mollys that is the one emitting the aggression. I am thinking about just taking that one out. Do I run the risk that circumstances will change when their are only 2?

Thanks.
Hazarrd is offline   Reply With Quote
Old 01-17-2007, 11:01 AM   #9
 
Lupin's Avatar
 
The heck with lfs which does not know anything about fish.

Picture shows a male below. The gonopodium is the fin near the anus that is pointed in shape. The female is the one above.
Lupin is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Something attacking my fish Candee Tropical Fish Diseases 4 03-11-2010 11:01 PM
PLECOSTOMUS ATTACKING OTHER FISH! wildboitoday Tropical Fish Diseases 3 05-23-2008 01:24 AM
School of Tiger Barbs attacking everything SuperDupe Tropical Fish Diseases 10 01-02-2008 04:19 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search



All times are GMT -5. The time now is 05:56 PM.