needle nose fish and others

Question
hi i have a needle nose fish i just bouht today but it wont eat the pet store said it eats minos so i put some int there but nothing i also wanna know is  a 35 gallon tank big enough for 2 bala sharks 2 rainbow sharks 1 pictus catfish 1 alage eater dont know the exact one my needle fish and is it safe for me to add salt to this water even though it is fresh water fish idk my needle nose just seems way to docile or is it scared cuz of the other fish please answer me soon ty

Answer
  
hi i have a needle nose fish i just bouht today but it wont eat the pet store said it eats minos so i put some int there but nothing  i also wanna know is  a 35 gallon tank big enough for 2 bala sharks <needs 55 gallons each> 2 rainbow sharks <Needs 20 gallons each> 1 pictus catfish <Needs 35-40 gallons each> 1 alage eater <if it is a common pleco, then it needs 55 gallons each> dont know the exact one my needle fish and is it safe for me to add salt to this water even though it is fresh water <why would you need to have salt? are you fighting ick, if so, then you shouldn't have gotten another fish> fish idk my needle nose just seems way to docile or is it scared cuz of the other fish please answer me soon ty

<Hope I could help, John Kliewer>