Blue Lobster eating the others

How would a blue lobster do in a semi-agressive tank? I've been lookin at them lately, but if he's gonna eat everything in the tank I' hold off.
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I tried this once, and suffice it to say it didn't work well for me. 2 oscars (4") 2 gourami's (4") 1 TSN (7"), 2 pictus (5"), added one 3" "Blue lobster". The fish were all shredded in a matter of 2-3 days. eventually the crayfish must have angered one of the oscars or the TSN becuse I found him smashed and eaten one morning about a week after I bought him. It took months for my fish's fins to recover and look good again.
Dave
 
RTR said:
Thanks for the ref, cgrabe, but unfortinately it doesn't provide more than the statement. Peculiar effect.
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I think these two links have what you're looking for, but I'm not sure. They use words that give me a headache this early in the morning:

http://jeb.biologists.org/cgi/content/abstract/198/2/409

The hypometabolic response of Cherax was greater in alkaline water as shown by a 53 % reduction in O2 uptake rate compared with a 44 % reduction in acid-exposed (500 µmol l-1 Ca2+) animals after 96 h. This decrease in M(dot)O2 of alkaline-exposed animals was correlated with decreased haemolymph glucose levels (from 0.32±0.01 at 0 h to 0.06±0.01 mmol l-1 at 96 h).
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http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=7457633&dopt=Abstract

At any particular set of test temperature and pH, hemocyanin from 10 degrees C-acclimated animals had the lowest oxygen affinity and the greatest cooperativity, whereas hemocyanin from 25 degrees C-acclimated animals had the highest oxygen affinity and the lowest cooperativity.
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cgrabe said:
It looks like it came from John E. Dove at practical-pet-care.com.
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Yes indeed it was from that info, When Wildana had a doubt I tried to help, not knowing much on the subject I looked for reference that can help here, if you read my post carefully in the first paragraph it says "here is some info I found on Crayfish" though I didnt specify the origin.
Continuing with my search I looked for more info in a book called "Simon & Schusters guide to freshwater and Marine aquarium fishes" which includes some info on reptiles & Invertibrates. Here is what is says about Crayfish (astacus fluviatilis).
Distribuiton: Clear and well-aereated freshwater
Habitat: Prefers quit running waters in valleys, on muddy bottoms with dense vegetation temp (18-20c) 64-68F PH 7-9, the PH value here is a bit higher then the one recomended from Mr. Dove, yet we dont know what type of lobster Wildana has. Trying to answer RTR´s question I guess the article meant that when there is a higher PH /more alkalinity in the water it gives more chance for ammonia to increase, all these wasted, dead algea, food that produce ammonia will be naturally oxidized, consuming a lot of dissolved oxigen. This info is from this site http://www.kernbio.com/english/inde...lkalinity&hl=es
 
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