Hi, iam new so bare with me. I have 3turtels 2female 1male, there 2yrs old, 1 map and 2 hyroglific. my male hyroglific has a problem i looked in the tank today and i scared the life out off me, well somethink was comming out of his back end??? it was black, like liquid but when i looked at it closly it was not liquid at was still attached!!! an was the quite long and then all off a sudden at just vanished.... it has happend twice today. But he is still his normal self. Can anyone help!!!!!!!!!!!!!! PLEASE