Kaste Posted January 14, 2021 Share Posted January 14, 2021 I have had 4 mail orders of Corys from 3 different reputable companies and most of my corys die. Ist order, Panda Corys -2 arrived DOA, 2 died that night and 2 lived 2nd order, 6 Panda Corys, within 24 hours 3 dead (net 3). 6 pygmy corys, 2 DOA, 2 dead within 48 hrs, (net 2) 3rd order, 8 Panda Corys, 4 DOA and 4 dead within 24 hours, (net 0) 10 pygmy corys..4 dead within 24 hours. (net 6) Others still alive right now. Petsmart trip - 8 Pepper corys, 3 DOA when I got home, 2 dead within 24 hrs - 3 survived. QT all new fish. 10 gal. Tank is solid and cycled. I have lost so much money in Corys, it disheartening. I am trying to put together a cory family of 6 for each of my 55 gal tanks. One tank has 2 poor lonely cory's and one tank has 3. 😒 Any suggestion besides my husband's "stop buying them". Link to comment Share on other sites More sharing options...
FrozenFins Posted January 14, 2021 Share Posted January 14, 2021 They all die before there even home? Only thing I could think of is when corys are stressed they release a deadly toxin (not to humans but to other fish). Transportation can be very stressful for fish. 1 Link to comment Share on other sites More sharing options...
Kaste Posted January 14, 2021 Author Share Posted January 14, 2021 On the shipment I received Tuesday, 100% of my Panda Cory are all dead and out of my 10 Pygmy I have 4 left. I have them in 10 gal. QT with 5 penguin tetra and 3 balloon molly. Link to comment Share on other sites More sharing options...
Kaste Posted January 14, 2021 Author Share Posted January 14, 2021 The tetras and mollys are doing fine. And I have 4 nerite snails in there. Link to comment Share on other sites More sharing options...
Marc Posted January 15, 2021 Share Posted January 15, 2021 I think just bad luck, but I do feel that corydoras can be fragile. My last two orders of corydoras through the mail have survived shipping. I got them from Aqua Huna. So far they are all still alive, I still have the second order in quarantine. I do a long acclimation period to give them a better chance of surviving in my water. Link to comment Share on other sites More sharing options...
Kaste Posted January 15, 2021 Author Share Posted January 15, 2021 Thanks. I like the idea of a longer acclimation. I was also thinking of possibly a separate tank for them if I purchase other fish at the same time. What family of corydoras did you get.? I read that some are more fragile than others. Again thanks so much for "talking" with me. It always upsets me when my fish die. Not just the $ spent, but the fact that they were probably living healthy, happy till they were shipped to me. 🙄 Link to comment Share on other sites More sharing options...
Marc Posted January 15, 2021 Share Posted January 15, 2021 I received some Julii Coryydoras in October, all 6 are still doing fine. I just got 4 golden laser corydoras this week and they seem happy but they are still in quarantine. The first time I ordered fish from Aqua Huna I had several die, not corydoras but other species and I think it was due to the difference in water parameters, Their PH is around 7.0 and not very hard, my PH is around 8.0 and moderately hard. I found that a two hour acclimation period of slowly adding in tank water to their container has helped all the fish in my last two orders survive. I could probably cut that time in half. I don't know for sure that the water parameters is the cause but I am going to keep using this method as long as it works. Good luck, I don't know how to improve their chances in shipping alive but Aqua Huna has only had one dead fish out of the 84 that I ordered from them in my 3 orders. I also live on the West Coast and shipping took about two days. Link to comment Share on other sites More sharing options...
FrozenFins Posted January 15, 2021 Share Posted January 15, 2021 23 hours ago, Kaste said: On the shipment I received Tuesday, 100% of my Panda Cory are all dead and out of my 10 Pygmy I have 4 left. I have them in 10 gal. QT with 5 penguin tetra and 3 balloon molly. have you been ordering from the same supplier? I know panda corys are really bad for that toxin, pygmy corys I'm not sure. And if the tetras are doing fine as well as the mollies I suspect its that toxin. Link to comment Share on other sites More sharing options...
Kaste Posted January 15, 2021 Author Share Posted January 15, 2021 Marc, Thanks for the great info. I am going to use your suggestion of a couple hours to acclimate. James had made a similar suggestion. My water parameters are usually 7.6 PH and hard water. I just took a chance and ordered more corys from Aqua Huna. I did have pretty good luck with them. I had an order of pepper corys from there a few months ago and 100% survived. My last order was from another supplier which the death rate has been huge. 16 out of 26 fish dead. (all corys but 1) James, I actually have used different suppliers, but I think I will not try Pandas for a while. I did have one of the tetras dead this morning and another pygmy. So I have 3 of 10 pygmy cory left. I am hoping these 3 live. If they get out of QT I have a family of 2 pygmy they can live with. 🙂 Thanks too both of you for the suggestions. I have only been doing this since August and already have (2) 55 gal; (1) 37 gal; (2) 6.5 gal betta tanks and a couple hospital/QT tanks. My husband says no more. Karen Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now