I recentaly got 3 goldfishes today (fantail) and i feed them 2 times but they still look around for food like they didnt eat and they are sucking in rocks then taking them out.ARE they still hungry?I wanna know if there males or femaale theres one thats bigger than another and it looks pregnant but the skinner one that i thinks a male isnt bumping or hasing the pregnant goldfish.Are they too hungry to play around?my other fantail is young and has big eyes lol and it does the same as them.I want more goldfishes i want to know what gender they are and why they are always hungry please...... i will send some pics of them they might be blury bye please answer