Yes.
Well all fish breed. But just research how.
A Frontosa is an African Cichlid, Lake Malawi I believe. I have heard of hybrids bu have never personally observed any. I would say it is possible for them to breed with other cichlid types.
Yes, a striped convict cichlid and a pink convict cichlid can breed together as they are both from the same species, Amatitlania nigrofasciata. Their offspring may display a mix of characteristics from both parents.
"Carassius auratus auratus"
Sthenopis auratus was created in 1878.
Endoclita auratus was created in 1893.
Carassius auratus auratus
Carassius auratus
No. They are entirely different species. Goldfish are a coldwater species of carp "Carassius auratus" and the Betta or Siamese fighter is a tropical anabantid "Betta splendens".
carassius auratus auratus :-) aka guldfisk
yes
Ram cichlid was created in 1948.