Can anyone please tell me why my Zebra Danio keeps burying himself?

Come play with me, I won’t tell anyone

I won’t tell mommy you seen my little pussy ☺️🤍

Would you let me ride your cock if I was your little daughter?

Come taste it, I won’t tell anyone 🤫😍

Come taste it, I won’t tell anyone 🤫😍

Come on bro take it out I promise I won’t tell anyone

Just come on and Try I won't tell anyone 🥰

I promise I won’t tell anyone. Just please come to my room

Please Come inside me I won't tell anyone Please

I won’t tell anyone what you do to my feet

Come on just a taste, I won't tell