The same Austrolebias nigripinnis, in the first photo, a few hours after birth (October 2nd), in the second photo, about a month old (November 4th) and in the 3rd, about 2 months old (December 1st), in the 4th photo, 3 months old (January 5th, 2023) and 5th photo, 4 months old, (February 7th, 2023) - Andre Mestre FB 2023