Blue Lobsters, and tight spaces.

HI everyone I am back once again with a question about blues. (I was determined not to come back until I got my blue guy, but as you can see with ripper I failed -_-). I just got my blue lobster, he is about 3 inches long, and is a really handsome little fellow. I acclimated him well, by putting his bag in a little Tupperware container, after I released him I left him with enough water of his original tank to put over his head, and then every 5 minutes for an hour and a half added a little bit of my own water. (I would have done a drip, but he was unexpected and the tubing and valves that I ordered online haven't come in yet) Well when I added him to my tank he kinda jumped out, and landed inside. The issue is he landed in a very tight corner, and he does not seem to be able to move out of it. Every five minutes or so he begins a new struggle, then he just kind of stops. Should I try to help him, or would this only stress him out worse. I'm worried about my little blue ):

 

how's he doing now?

 

After one hour of him still being in that same spot I pushed my fishnet into the water and just lightly poked him. After that he jumped like he had seen a ghost and proceeded to start hunting my fish. I think he managed to pinch my shark, now all my other fish (Rainbow shark, 2 bloodfin tetra, and one super tiny algae eating fish that I don't know the name of) kind of regard him with a Ok your a jerk attitude. Though the shark does still like to get close and pester him.

to hopefully stop his attack I had dropped an algae wafer about 30 min after he freed himself. Since then he was calm and did not attack anything. Shark hid in the area I had got for the crayfish, and cray hid under the tiniest plant in my tank. Though about ten minutes ago I turned off the tank lights, and immediately the shark left, and the cray started moving. They are moving about, but they keep regarding each other like they are about to fight. Will this end badly for either of my aquatic friends?

Edit: I tested lights back on , and the battle stopped instantly, annnd right as I was typing this they go back to it, Make up your mind fish -_-

 

I think he is going to make meals of your fish.

I had some of the dwarf crayfish in my tank and apparently my tank was ideal for them as they grew like crazy. They never bothered the fish much. At least not until I did a big water change and planted a bunch of new plants. With the water level low over about an hour, I found 3 of my 4 angels had significant damage and my male guppy had lost nearly all of his caudal and dorsal fins.

These are supposed to be crayfish that are fish-compatible, but with the right setting, they became stressed and abusive. Inverts like yours have a reputation for being very fish-unfriendly. He would do better in a tank by himself, or re-homed.

 

Ok dropping an algae wafer does placate him, and my fish are quite cautious of him. So for tonight I go to sleep, and I pray my crayfish not to eat, my peaceful fish while they do sleep. Guess we will see the result come morning.

 

welll....how did it go?? is he eating the fish or not?!

 

Oh sorry for not responding. As it seems, my cray is more of a climber than a hunter. He made a few miserable hunting attempts his first night in my tank. Now all he does is pinch at them I they swim right in his face. I think keeping him fed enough is the main reason he is so calm. He is a very chill crayfish lol. He really enjoys watching me read on my bed though. He is a little sweetheart.
Yesterday though the little sucker climbed out of the tank. I searched for him for about an hour and had to give up so that I could go to school. When I go to put my shoe on something pinched my toes. Two at the same time, needless to say I found Mr.Cray alive and very unhappy. I put him back in his tank, he looked ed for the rest of the day, but this morning I wake up, and he is back to his usual self. This time I made sure to duck tape the lid down, and I remove it when I feed them.