If you drag a fish onto a station floor tile they will die instantly, even if the floor tile is completely flooded with water. Makes it hard to make aquariums. 
Update: It's not simply going on station tiles. It seems that simply entering a station area kills them instantly
 
 
	
	
	
	
	

Update: It's not simply going on station tiles. It seems that simply entering a station area kills them instantly
 
 
	
Goonhub