Horabagrus nigricollaris
Horabagrus nigricollaris is a species of catfish endemic to India. It is also known as the "Black collared catfish". It is found only in the Chalakudy River in Kerala, India. This species is an inhabitant of hill streams. Description. "H. nigricollaris" is sleeker in body shape than "H. brachysoma" and can reach a length of TL. This species is less yellow than "H. brachysoma" and the black markings extend over the neck, forming a "black collar" (hence the scientific name).