re: Aquarium help

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I have 2 red tailed sharks and 2 small sun perch and 2 crabs. Also 2 angel fish

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way too many fish for a 40 gallon aquarium. Well really its the makeup of the fish.

First off, remove the sun fish. They will eat smaller fish and need a 75 gallon if you have 2 of them. Theyre too aggressive for the others.

What kind of crabs are these? I would consider removing them depending on how big they will get.

Remove the sharks

Angel fish are good in a 40 gallon.

I would really start over with your stock, to be honest. Keep the angel fish and get a school of tetra to go with them. You could do two smaller schools. Tetras are great aquarium fish with lots of movement and colors and they tend to school together. They also get along with angel fish for the most part. Some might nip at the angel fish but angel fish get bigger and will put an end to it.

Scrap the crabs and maybe get some cory catfish. They will get all the food that drops to the bottom and they are fairly active. They also stay very small.

Dont get a pleco. Some call them the sucker fish or algae eater.