Please help! I caught a bullfrog tadpole last week or so and she has been living in a ten gallon tank with a heater and strong filter. The tank has TONS of hiding places and plants. But my tadpole has been really inactive and I don't think she's eating the boiled frozen lettuce I've prepared for her. I haven't even seen her move, and she just sits in a corner all day. I really love her and I don't know what I've been doing wrong. What can I do? I'm afraid she'll die.