Why can't a fish and chips oily substance come off your shirt when you dab it with water?

Why did your betta fish stop blowing bubbles? Are sharks dangerous to humans yes or no? Why more people are employed in inland fisheries than marine fishing 3? What other organisms live near hermit crabs? What do distressed guppies look like? Why are the catfish in the contaminated cooling pond so large? What is the name of shark tagalongs? I have just set up a new tropical fish tank yesterday and its gone cloudy is this normal and how long do i leave it till i can add some fish we added aqua safe soak bog wood and gravelplants? Why are snails placed in aquarium? In which parts of South America do Angelfish live? Does a thresher shark have a nickname? What shark can fly? Can a conch be a pet? How does goldfish respond to stimuli? What is child of a fish called? Could rocks in your pond be absorbing water? What type of niches live in the ocean? Hello can you give a fish with pop eye protozin whitespot and fungus treatment? What is the best size of a tank for a betta fish? Do goldfish need oxygen?