In some parts of southeast Asia and eastern Europe, growth hormones are used when spawning Puntius denisonii fish. Puntius denisonii fish is a nice-looking, attractive, and agile creature from Southern India. Puntius denisonii is also popular as a red-line torpedo barb thanks to its striking red line from the head to the body. Although coming from the wild, this barb does well in captivity. If you are curious about spawning Puntius denisonii fish, follow these steps. Puntius Denisonii Characteristics Puntius denisonii fish is an endemic species living in the nine rivers in Kerala, India. Due to over-harvesting because of their popularity, this barb is one of the endangered species. So, it is hard to know how they breed naturally. Puntius denisonii fish need rich oxygen water to live. They also like to swim with a stony, silty, or sandy substrate, just like their original habitat. Their body’s color is gray olive. Black stripes are featured on the sides of their figure. Those strip...