Answers

  • Brainly User
2014-09-12T20:12:08+05:30
The marine fish is die when kept in water because in water all are salt is mix up  which is enclosed in oceans  so marine should not  longer live in water.             
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  • Brainly User
2014-09-12T20:20:19+05:30
they cannot survive in the fresh water because of the problems like,

starvation and diet
improper acclimation
parasite and disease
incompatibility
poor water quality
bacterial infections
oxygen deprivation
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