<\/span><\/h2>\nIf put in a tank of fresh water, a saltwater fish’s cells would swell continuously, trying to dilute its salt concentration. The effects of osmosis are deadly for saltwater fish when placed in freshwater. As a fish’s cells begin to swell, its body will take in excess water, causing a condition called osmotic lysis.<\/b><\/p>\n<\/span>What are the advantages of having a saltwater aquarium?<\/span><\/h2>\nSaltwater aquarium in particular can be more expensive. And they are a bit more precarious to maintain than their freshwater counterparts. They generally require additional equipment, additional work during water changes and also require special lighting<\/b><\/p>\n<\/span>Can aquarium fish survive in ocean?<\/span><\/h2>\nA fish that lives in salt water will have somewhat salty water inside itself. Put it in the freshwater, and the freshwater will, through osmosis, enter the fish, causing its cells to swell, and the fish will die<\/b><\/p>\n<\/span>Is a saltwater tank harder to maintain than a freshwater tank?<\/span><\/h2>\nSaltwater and freshwater aquariums have very different maintenance requirements. Generally it is agreed that saltwater aquariums are much more difficult to maintain. With saltwater the water parameters (like salinity and pH) are generally stable since their is so much water in the ocean.<\/b><\/p>\n<\/span>Are saltwater fish high maintenance?<\/span><\/h2>\nA substantial time commitment is required to keep a saltwater aquarium system healthy. A saltwater aquarium requires diligent maintenance to keep it clean, temperature-controlled and properly lit. Stable salinity is also paramount, so replacing evaporated water each day is critical.<\/b><\/p>\n<\/span>What happens if sea fish is kept in water aquarium?<\/span><\/h2>\nIf a marine fish is placed in a freshwater aquarium, fish would not be able to survive because fishes are adapted to sea water, fishes body are hypertonic but when water moves to an aquarium it becomes hypotonic. They are unable to regulate the metabolic process in the changed environment and they die.<\/b><\/p>\n<\/span>Can I put fish from the ocean in my tank?<\/span><\/h2>\nIf you have access to clean ocean water (NSR or Natural Sea Water) to put in your saltwater aquarium, by all means use it.<\/b><\/p>\n