A team of Chinese researchers has uncovered a new species of cyprinid fish in Huizhou City, located in south China’s Guangdong Province. The species, named Opsariichthys rubriventris, adds a vibrant addition to the biodiversity of the Pearl River basin.
According to a recent paper published in the international journal Diversity, Opsariichthys rubriventris is unique to Guangdong, inhabiting the upper reaches of rivers in the Pearl River basin. The discovery is notable for both its scientific significance and its implications for conservation efforts in the region.
The newly identified species can be distinguished by several distinct characteristics: it possesses 13 to 14 predorsal scales, a slightly protruding lower jaw, and cheeks adorned with two primarily longitudinal rows of tubercles. Notably, adult males display a striking reddish-orange coloration on their lower jaw, belly, pectoral fins, and the anterior margin of their anal fins.
“The discovery of Opsariichthys rubriventris is significant for understanding the evolution of the Opsariichthys genus and highlights the rich fish diversity within the Pearl River streams,” said Zhou Jiajun, co-author of the study. “It underscores the importance of protecting these delicate freshwater ecosystems.”
Zhou noted that the species has a limited distribution range and a small population size. Its vivid colors and high ornamental value have made it a target in the ornamental fish trade. “Overfishing has made some habitats difficult to locate,” Zhou warned, emphasizing the pressing need for increased attention and protection to prevent the species from becoming endangered.
The discovery of Opsariichthys rubriventris not only enriches the catalog of China’s native fish species but also serves as a reminder of the ecological value of the Pearl River basin. Conservationists and researchers alike are calling for measures to preserve the habitat and ensure the survival of this rare species.
Reference(s):
cgtn.com
