1) cracked fw crabs
2) cracked fw clams
3) live/ dead earthworms
4) frozen bloodworms
5) frozen mysis shrimp
6) dead shiners
7) squash/zucchini with skin (smaller goldies seem to only eat the skin)

9) sinking shrimp pellets
10) dead grass shrimp
The tank: 75 g, air-driven undergravel filter w/Aquaclear 500, only tankmate an 8 inch Jardini arowana, 0 ammonia, 0 nitrite, 25 ppm nitrate
I believe he has simply gone too long without eating to turn the corner ... any suggestions or reasons for hope? I've had eels and other large plecs go weeks without eating, but it looks like he's already gone too long ...