aggression

  1. C

    Oscar Nesting Behaviour?

    My 5-year-old fully mature Oscar has started an interesting new behaviour. He’s shoving gravel up one side of the tank and resting in the hole at the bottom of the tank (see pic). Went to vacuum the tank this morning and as I neared the depression he struck out and bit me! Never did any of these...
  2. R

    Male guppy starting to get aggressive?

    Hey guys, I have a 10 gallon tank (20" L, 12" H, and 10" W) that has 6 guppies, 2 male 4 female. 2 I have had for a while and the other 4 are relatively new. The 2 I've had for a while is a male named Enzo and a Female named Gretta. Gretta is currently pregnant and so I had gotten more females...
  3. J

    Concerned About the Sex Ratio of Two Blue Rams

    Hello all, I've been keeping an aquarium for about a year now and so far, things have been going pretty well! But recently I splurged on a new tank setup and, after cycling was complete, decided to fill it with a bunch of neon tetras and a pair of blue rams. The local fish store (which has...
  4. K

    Severum issue

    So I had a 45 gallon freshwater tank . It has 2 electric blue acaras , 1 red severum and a pleco . My severum had been tormenting my EBA . I went to the local store and they told me my tank might just be too small. I found a great deal and got a new 70 gallon tank. I just did the transfer and...
  5. E

    Help with Male Platy Fish

    I'm a new platy owner (and fish owner in general), and I want to make sure my platies won't kill each other. My roommate and I just got two platies to keep us company in our college dorm room, and we didn't notice that they were both male until after we had gotten the tank set up. They're in a 5...
  6. B

    Buenos Aires Tetras- Aggression with Each Other

    So I have a 29 gallon tank. I only had 5 corydoras in it for a few months. I finally decided to get some buenos aires tetras. I got the 6 that was recommended to start with. While they were in their quarantine tank, they attacked one of the smaller ones. His tail got pretty much destroyed. I...
  7. SAChichlidLover

    Handling Aggression.

    Hey everyone how are you all? Anyways I know quite a few people who have fish that are aggressive towards each other or just simply mixed the wrong fish and then theres me who decided to mix central and south american cichlids (turned out to be a success however in alot of cases it wouldnt have)...
  8. Ellie Potts

    What are my siamese algae eaters doing?? (Video attached)

    In my 55 gallon aquarium I have 2 siamese algae eaters (I now know I need more, but the store I bought them from said it'd be fine to start with 2; I'm currently stuck searching for a few more in the middle of winter with no local fish store or aquarium club). The 2 I do have, however, have been...
  9. Ellie Potts

    Community Tank Advice Needed

    Hey everyone! I'm relatively new to this forum but was looking for some advice. I'm setting up a 55-gallon tank (48" x 13" x 21") and would like it to be a community tank. I've recently been really into schooling-tanks with many different kinds of schooling fish. For example, one fish keeper...
  10. M

    Angels aggressive after mating

    I have a pair of angels that mated together in May and are now super aggressive towards one another. I'm not positive which is the male and female, but the one who hovered most over the eggs which I assumed was female is being bit and attacked by the assumed male. The pair hasn't had a history...
  11. FishFinatic77

    Betta keeps killing snails

    My tank has a serious algae problem. The only place to put my betta tank was by a window, and now there is a constant film of algae covering everything. Now, I wanted to add a nerite snail to the tank to help eat some of the algae, but, after moving around for a day, he stopped moving and died...
  12. P

    Blue Gourami Male to Female agression

    I am relatively new to keeping gourami, I’ve had my pair of blue gourami in my community tank for about 6 months now. Both make and female look healthy, colours are bright and they both come out to eat eagerly at feeding times. However, when they’re not feeding the female goes to the back of the...
  13. FluffehWolf

    Aggressive Glo fish

    Hi everybody, I’m fairly new to properly managing freshwater fish/aquariums. I recently purchased a 60 gallon with 4 very young bala sharks (I’m aware they are going to need around 180 gal when they fully grow, this is temporary for them!) I decided to get a 4 glo fish to add to the tank because...
  14. S

    Aggression all Around (platy)

    I have been having some trouble with platies in a 10 gallon tank. About four months ago I went out and got for platies just for fun because I was considering getting into fish keeping. At the time I did not know but I ended up discovering that two of the platies were male two of them were female...
  15. SteakNShrimp

    Zebra Loaches Fighting?

    So I have 4 Zebra Loaches in my 55g tank and they all seemed really happy 1st week or two. Recently, for a couple of days now, I haven’t been able to find one of them even when feeding. Also two of the three that I do see everyday are fighting...they have just started doing this about the same...
  16. Cluelessone

    Neon Tetra aggression

    Hi all, 77L 60cm x 30cm x 45cm Fully cycled 0/0/7 27°C PH 7 Hardness 56ppm 4 x Cory cats 1 x Dwarf Gourami 10 x Neon Tetras 2x make Guppy’s (I know these like harder water but from speaking with a local breeder they have never had an issue with the local water supply hardness and keeping...
  17. E

    Male Ram attacking Female after eggs were eaten overnight

    I made some posts about my GBRs spawning recently. Basically this morning I turned on the light and all the eggs were gone (corys ate them most likely). But now the male is seeking out the female ram and chasing her - I can distract them with food and they leave each other alone for a few...
  18. E

    Removing Eggs - Will it stop aggressive Rams?

    My GBRs recently spawned - but now they are stressing out all my other fish and actively seeking them out to chase them, even though they can't go anywhere. Will removing the eggs halt this territorial behavior until they next spawn?
  19. M

    BGK + Tiger Barbs + Bristlenose??

    I just got a new 43 gallon tank and i have a small bgk (12cm) in it at the moment. If i add 3 bristlenose plecos and 10 tiger barbs, will i have a problem with aggression from any of the fish? Thanks if you guys have an answer.
  20. Peepss

    Pearl Gourami- Fin Rot from tail damage?

    My Opaline decided to turn on my poor Pearl and did a number on her tail. I’ve moved her to a separate tank to heal but now it seems like she is starting to get an infection on the left side. She is having a hard time swimming so I can’t get a good view of the left, but it definitely seemed more...
  21. M

    Will my Angelfish kill the others?

    Hi, Ive got a 165 litre tank, currently housing all young fish. I have 2 angelfish, both too small/young to tell the gender, 3 mollies (1 male and 2 females), a clown loach and a small bristlenose catfish. Ive read that if the angelfish are both males, 1 will kill the other, if they are both...
  22. A

    Tank Stocking Aggression Issues & Fish ID help?

    Hi All, Tried my hand at salt water fish a few years back and let's just say I'm better off here LOL! Any how, I've had my 29g Biocube running for about 2 months now (recycled from the saltwater experience) About a month ago I stopped at Petsmart and bought some cheap fish in case any died in...
  23. W

    Preg. Female Molly Agressive towards Male

    We just recently lost a female molly due to who knows what. No other issues in the tank, she just never grew then started acting completely strange and died. So we bought a Dalmatian lyre tail for our very large and "needy" black molly so he could have 3 females again. Mind you, he and the...
  24. J

    Electric blue acara behaviour

    I need help or any tips or advice after the larger female spawned. The eggs are on the red rock. The behavior got worse after the the female spawned but started 3 days ago since I transferred them to the 90 gal tank. I purchased the younger male at a LFS in hopes of finding a mate for my...
  25. musicalbetta

    Betta Question (non-emergency but important)

    I have a male betta fish that seems to be unusually aggressive. He likes to try to nibble my finger a lot when I feed him (he jumps). Also recently I cleaned his tank and removed all algae growing on the glass which probably lets him see his reflection better, so he flares his gills a lot more...
  26. mjl121

    New member, new hobby

    Hi I'm from MA, US. I've had fish in my 20 gal tank for about 5-6 weeks after it completed the 6 week ammonia cycle. Right now I have mostly Platys. 2 female Red Dalmatian, 1 male 1 female Blue Platy, 1 male 2 female Bumble Bee Platy 3 Panda Corys 1 Albino Brittlenose Pleco All has been...
  27. R

    Stocking Gourami for 30 Gallon tank

    Hey guys, I’m getting my largest tank yet soon, and I’m hoping I can snag a 75 gallon, but I’m having trouble finding one for a reasonable price. I’m thinking I’ll have to settle for a 30 gallon. I’ve completely fallen in love with my dwarf Gourami I received after a friend of mine couldn’t keep...
  28. B

    Congo Tetra eats Neon Tetra

    So I had a couple of Congo Tetra's for a while, and have now finally got 12 Neon Tetra. There are plenty of plants and hiding areas but the Neon Tetra's are very small and the Congo's being fully grown have become a decent size. After a few hours I saw one of the Congo Tetra's eating a Neon...
  29. musicalbetta

    my enraged betta fish

    I have a betta fish named Thomas Jefferson & he's a very healthy fish in a 5 gallon tank, but everyday he flares his gills and gets into that betta fighting mode. I tried my best to prevent him from seeing his reflection too much, but he still acts the same. He lives with a nerite snail named...
  30. Flubberlump

    Lampeye Killifish Bully

    I have a problem with my lampeyes. There's a bit of a story so apologies in advance... I had a few already, and a few months ago I bought some more, as I only had one of my original ones left - they were about 5 years old which I believe is a good age for a lampeye. A couple of days later a lot...
  31. markanthany

    Cpd's/galaxy Rasbora Killed The Others

    Hey all,   So as the title says, we woke up to a tank of five CPD's with one alive and the other four dead.  I feel bad because this is our first time keeping them and we got them anyway even though quite a few were dead in the tank from which they were purchased.  However, everything in the...
  32. ShannonKoletti

    Ellioti Aggression

    Hi! I've had my Ellioti Cichlid for almost two years now and he's gotten quite large, lately I thought my tank was a bit bare so yesterday I bought a bright Peacock Cichlid. My Ellioti is about double the size of my new fish and he's been beating him up since I've fed them this morning. Any...
  33. N

    Please Help With Aggression Issues In 50G

    Hi All, I recently added 8 new pets to my 50G.  The pets currently are as follows: Kenyi: 2 Females/1 Male Cobalt Blue Zebra: 2 females? 1 Currently Juvenile Bumblebee: 1 sex undetermined/juvenile Yellow Lab: 1 sex undetermined/juvenile Mixed Mbuna: 1 sex undetermined/juvenile Psued Acei: ? 2...
  34. elipilgrim

    Green Tiger Barb (Aggressive)/?'s

         Hey there everyone, I am fairly new to having a tank and only getting the initial cycling process near the end now.. It was a fish-in cycle, with a couple losses on the way but not many.      I have a 29 gallon tank with 3 plants in it at the moment. Here's a picture:      Inside are 8...
  35. LunaBug

    Jerk Face One And Two...neon Tetras In A Semi Aggressive Tank

    So I recently began stocking my 36gallon bowfront and decided to go with a semi-aggressive theme. I added a pair of angels and a pair of bolivian rams to start with and everything was going great. I noticed my white cloud minnows were outgrowing their home in with my betta so I moved them over...
  36. J

    Seemingly Aggressive Congo Tetra Behaviour

    Hey, just a quick question for you who are experienced with Congo Tetras :) I have a school of 8 of them in my tank, 4 are male, 4 are female. I have been noting some seemingly aggressive behaviour of late. I am unsure if it is normal social behaviour or actual dominance.  What will happen is...
  37. D

    Tail Nipping Mystery

    I had a small tail nipping problem in my 55 gallon and figured it was my skunk loach because they are known for agression and fin nipping, but i got rid of him a few days ago and it seems worse... As of now I have: 2 white skirts A 1 inch EBJD A 3 inch Blue Acara 3 clown loaches 3 corey cats 1...
  38. E

    Bully Neon Tetra - Nipping

    Hi there. I have a school of 9 neon tetras in a 70l cycled aquarium - 5 of them have been in there for 2 months, the other 4 have been in about 2 weeks less than that as the LFS hadnt QT'd them when i went the first time. One of the original 5 has been obviously very domineering and chasing the...
  39. LicianDragon

    Guppy Tails Being Torn Up Again!

    I have a 20 gallon planted community tank. Fish include-   3 female guppies 1 male guppy 1 hifin molly 1 red-tiger platy 1 red-tail sand loach 3 julii cory cats 1 hillstream loach   I've had issues with fin tearing before that was attributed to an overstocked tank. The tank is fine now but my...
  40. Mamashack

    New Betta Male And Young Adult Male Platy - Emergency Mix

    Not sure if this is an emergency yet, but would appreciate someone else's opinion before I head off to work at 12.30! Yesterday I got a male plakat betta in my newly cycled 30L tank. No problem there - he seems to be settling in slowly.   About ½hr ago I noticed in the 60L tank that there was a...
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