Black Ghost Knife Fish Tankmates - Page 2
Tropical Fish

Tropical Fish Keeping - Aquarium fish care and resources » Freshwater Fish and Aquariums » Beginner Freshwater Aquarium » Black Ghost Knife Fish Tankmates

Black Ghost Knife Fish Tankmates

This is a discussion on Black Ghost Knife Fish Tankmates within the Beginner Freshwater Aquarium forums, part of the Freshwater Fish and Aquariums category; --> I use to own a BGK. In my experience, once they reach about 6-8 inches long, it is time to house it by itself. ...

Check out these freshwater fish profiles
Tire Track Eel
Tire Track Eel
Ember Tetra
Ember Tetra
Reply
LinkBack Thread Tools vBmenu Seperating Image Search this Thread vBmenu Seperating Image
Black Ghost Knife Fish Tankmates
Old 07-29-2011, 05:51 PM   #11
 
LasColinasCichlids's Avatar
 
I use to own a BGK.
In my experience, once they reach about 6-8 inches long, it is time to house it by itself. Yes, there are possible tankmates, who must be non-aggressive and much larger than the BGK's mouth, but your tank size to support this combination would need to be very large, I'd say a minimum of 125 gallons.
BGK are usually pretty slow growers. It takes on average of about a year to reach 6-8 inches, and another year after that to reach it's expected minimum size of a foot/12 inches. So for the first year, any docile non-threatening fish can be kept with them, and if the BGK is kept fed with proper nutrition through frozen foods like bloodworms and brine shrimp and the like, the less likely the BGK will eat other fish too soon. Its usually during that second year of growth that the eating of tankmates can happen, but as I said, a well fed BGK is less likely to eat his tankmates, especially if the tankmates arent tiny things like guppies and neons.
BGK arent aggressive with other fish, just predatory by nature. So they should not be kept with any other fish that can be aggressive. I have seen BGK babies successfully kept with female bettas while in their first growth year without issues.
I personally do not recommend ANY bottom dwellers with the BGK. BGK are easily trained to come to the top of the tank to feed from your hands. When young they love to sleep upside down like an arrow inside of plants, and they always need appropriate hiding spots with no sharp edges since they are scaleless. Any meds or plant ferts used in the tank should be used extremely carefully as BGK are super sensitive to these things, comparable to the sensitivity of loaches being scaleless as well. And never put BGK with any other knife species or eel or any species that uses any electrical/sonar to find food and see.
With BGK it is wise to keep the tank set up the same, they dont tend to take well to too much change. Some will refuse to eat or come out of hiding when there are tankmates that stress them, which when young can be a shoal of danios or tiger barbs.
BGK have poor eyesight, close to blind, they use their sonar to locate food and locations of hiding spots and threats and targets.
These guys not only get long, but they get thick around, so they cant easily turn in small tanks like more snake-like fish that looks similar, so a wide tank is important when the start to size up.
A BGK without tankmates when grown, should be in a 75+ gallon tank, the larger the better.
LasColinasCichlids is offline   Reply With Quote
The Following User Says Thank You to LasColinasCichlids For This Useful Post:
broujos (07-30-2011)
Old 07-29-2011, 10:41 PM   #12
 
I disagree with the bichir part, i have my bgk which is not about 7 inches with a bichir and some angels and all the fish get along fine.
moomoofish is offline   Reply With Quote
Old 07-30-2011, 08:03 AM   #13
 
Talking

Quote:
Originally Posted by LasColinasCichlids View Post
I use to own a BGK.
In my experience, once they reach about 6-8 inches long, it is time to house it by itself. Yes, there are possible tankmates, who must be non-aggressive and much larger than the BGK's mouth, but your tank size to support this combination would need to be very large, I'd say a minimum of 125 gallons.
BGK are usually pretty slow growers. It takes on average of about a year to reach 6-8 inches, and another year after that to reach it's expected minimum size of a foot/12 inches. So for the first year, any docile non-threatening fish can be kept with them, and if the BGK is kept fed with proper nutrition through frozen foods like bloodworms and brine shrimp and the like, the less likely the BGK will eat other fish too soon. Its usually during that second year of growth that the eating of tankmates can happen, but as I said, a well fed BGK is less likely to eat his tankmates, especially if the tankmates arent tiny things like guppies and neons.
BGK arent aggressive with other fish, just predatory by nature. So they should not be kept with any other fish that can be aggressive. I have seen BGK babies successfully kept with female bettas while in their first growth year without issues.
I personally do not recommend ANY bottom dwellers with the BGK. BGK are easily trained to come to the top of the tank to feed from your hands. When young they love to sleep upside down like an arrow inside of plants, and they always need appropriate hiding spots with no sharp edges since they are scaleless. Any meds or plant ferts used in the tank should be used extremely carefully as BGK are super sensitive to these things, comparable to the sensitivity of loaches being scaleless as well. And never put BGK with any other knife species or eel or any species that uses any electrical/sonar to find food and see.
With BGK it is wise to keep the tank set up the same, they dont tend to take well to too much change. Some will refuse to eat or come out of hiding when there are tankmates that stress them, which when young can be a shoal of danios or tiger barbs.
BGK have poor eyesight, close to blind, they use their sonar to locate food and locations of hiding spots and threats and targets.
These guys not only get long, but they get thick around, so they cant easily turn in small tanks like more snake-like fish that looks similar, so a wide tank is important when the start to size up.
A BGK without tankmates when grown, should be in a 75+ gallon tank, the larger the better.
oh thank you so much!!! i will try to use all this information you gave me properly!! but i didnt understand the part with tiger barbs and danios!! thanks!
broujos is offline   Reply With Quote
Old 07-30-2011, 08:04 AM   #14
 
Wink

Thank you very much guys!! and i will upload photos as fast as i can!! thanks
broujos is offline   Reply With Quote
Old 07-30-2011, 09:28 PM   #15
 
LasColinasCichlids's Avatar
 
Quote:
Originally Posted by broujos View Post
oh thank you so much!!! i will try to use all this information you gave me properly!! but i didnt understand the part with tiger barbs and danios!! thanks!
I just used tiger barbs and danios as an example that young BGK can be easily intimidated by other seemingly non-threatening fish.
LasColinasCichlids is offline   Reply With Quote
The Following User Says Thank You to LasColinasCichlids For This Useful Post:
broujos (07-31-2011)
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Ghost Shrimp With Black Ghost Knife Fish (question) broujos Introduce Yourself 18 07-18-2011 06:05 PM
black ghost knife fish with ghost shrimp (question) broujos Beginner Freshwater Aquarium 5 07-09-2011 01:03 PM
Black Ghost Knife fish nomel Freshwater and Tropical Fish 3 08-19-2009 11:07 AM
black ghost knife fish nvmyluv420 Ancient Fish 6 07-27-2007 07:59 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search



All times are GMT -5. The time now is 02:18 AM.