No.
Tank is not long enough for a red tail shark, and they can get mean when they mature.
Crabs and freshwater crayfish do eat things at night, as mentioned by Sgooosh. They should be kept in their own tank with no other tank mates.
Mollies, guppies and platies come from water with a pH above 7.0 and a GH around 200ppm for platies & guppies, and a GH above 250ppm for mollies.
Neon tetras and Corydoras catfish come from water with a pH below 7.0 and a GH below 100ppm.
Frogs normally come from soft water with a pH around 7.0 and a GH below 100ppm. However, frogs should not be kept with fish because the medications used to treat fish will kill the frogs. Most frogs will eat small fish, snails and shrimp.