I feed my arowana variety of foods like silver side fish, peeled shrimp, chicken breast, beef heart, quarantined feeders. If I get the chance to catch an earthworm this coming rainy season I will definitely feed it.
This might not answer your question, but I've been making my own food ,with all the above mentioned foods combined.
Diy gel food is great. Just mix in whatever you have and top it off with night crawlers to stimulate appetite.
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That's a great idea but I think it works better for bottom feeders like rays and large catfish.
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You should switch from Tetra pellets to a better quality pellets (New Life Spectrum, Omega one, etc). FD shrimps don't have a lot of nutritional values, and crickets are nutritionally poor. High quality pellets should the main staple with shrimp and crickets as weekly treats.
Crickets are very nutritional when gutloaded with healthy foods like most feeders are. Gutloaded insects as a staple grow huge healthy aros ime. Have you had bad experiences with feeding crickets to your aros in the past?
I use to gut load crickets for my reptiles, but I didn't get the sense that the OP was gut loading them. But why go through the effort of gut loading when you can just give high quality pellets imho
+1 my Aro doesn't even like crickets. He would bite them and spit them out. I think Crickets should be used sparingly. If you want to give your Aro a treat every once in a while set up a tank to breed feeders or get a quarantine tank.
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That's a great idea but I think it works better for bottom feeders like rays and large catfish.
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Good quality pellet, chopped fish talapia, smelt etc are good suggestions. I also am a big fan of insect feeders , Meal worms and super worms, ideally gutloaded with fresh veggies. IMO a varied diet always yields the best results.
Avoid too much frozen shrimp or cooked shrimp, cooked shrimp has poor nutritional value compared to raw, but once frozen raw shrimp is very high in thiamese which leads to calcium deficiencies. Also avoid mammalian meats like beef heart, arowanas cannot break down the fats which then build up on the liver.
Hope that helps.