Crayfish for a peaceful community?

Hello MFK, I have a 30 gallon tall tank (24" X 12" X 24") that is in the process of being planted. The inhabitants are still be added (and some being taken away due to aggression) but will eventually be: 1 angelfish, 3 or 4 bronze Corydoras, and possibly a german blue ram. I was wondering if there would be any crayfish (that get at least 2 inches) that could go in the tank without killing any of the fish or eating a significant amount of the plants. If so please suggest a few and I will look up the requirements. Also if needed, the tanks temperature is 79 F and pH is 7.6.

brich999 said:

Marbled crayfish(cpo) are about the only one that wont destroy every plant. Made that mistake once

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Looked up marbled crayfish and it seems like they are a whole group, would you recommend any species?

I would also be willing to do shrimp, but if so, I am not willing to keep the tank lights on for more than 5.5 hours since I heard shrimp (or at least certain kinds) need a lot of daylight.

Anyone else?

Thinking about an orange CPO or normal dwarf crayfish (not sure if there is a behavior difference). One question I have that I think is a pretty stupid one is when the crayfish molt, do they need to eat their old shell for nutrition. I thought I heard that somewhere before. And if so will the 3 Corydoras eat the shell and starve them. Sorry for all the questions but I have only ever had 2 ghost shrimp in terms of inverts and did not succeed with them (one got eaten because it was to small and the other molted so I thought it died and flushed the shell them it starved ).

brich999 said:

I had the dwarf marbled crayfish, I was told they were also called cpo, anyways they were small and didnt mess with plants at all. Looked more like a big shrimp than a small crayfish. Ill be the first to admit I dont know a ton about them but I was told they clone and I know they didnt touch my mosses or plants

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Im pretty sure that's still a marmorkreb seeing how that's the only cray I know of that can "clone" itself. I was referring to the Mexican orange dwarf crayfish (cambarellus patzcuarensis). Just to clear up any confusion.