hiya i have 30 baby starlight bristle noses 3 of these have swollen up like balloons they are only 3months old and about 1.5/2 inches long, they are fed on hikari algae wafers, massivore delite i tab per day and a small ammount of blood worm as i said only 3 out of the 30 are sollen could this be bloat or could they be egg bearing any help would be great thank you 