That was probably hornwort I didn't like it much either. It just shedd all its needs and made a mess.
I have had guppy fry they are the easiest, as long as they are alive they will breed.
I also had some sparkling gourmi breed, that was awesome. I actually got to watch them spawn it was very cool. The male displays and gets really blue and sparkly and the female touches him with her nose. He then swims up next to her and they wrap themselves around each other and they fall to the ground and she drops a egg, he grabs the egg in his mouth and swims it up to the bubble nest he created and places it in, then comes back to the female and do it again. It goes on for hours then he guards the nest and keeps the fry in the nest when they fall out. I kept the fry for about a month before they all died, they were crazy tiny since they hatch from eggs and even the adults are only like a inch long. It was very hard to keep them alive, not really a begginer fish to breed it just happened.
I have had guppy fry they are the easiest, as long as they are alive they will breed.
I also had some sparkling gourmi breed, that was awesome. I actually got to watch them spawn it was very cool. The male displays and gets really blue and sparkly and the female touches him with her nose. He then swims up next to her and they wrap themselves around each other and they fall to the ground and she drops a egg, he grabs the egg in his mouth and swims it up to the bubble nest he created and places it in, then comes back to the female and do it again. It goes on for hours then he guards the nest and keeps the fry in the nest when they fall out. I kept the fry for about a month before they all died, they were crazy tiny since they hatch from eggs and even the adults are only like a inch long. It was very hard to keep them alive, not really a begginer fish to breed it just happened.
Hope you like my recommendations 
