CURRENT AFFAIRS

Detailed explanation-1: -New family of bony fish discovered in Western Ghats - The Hindu.

Detailed explanation-2: -Bony fishes inhabit almost every body of water. They are found in tropical, temperate, and polar seas as well as virtually all fresh water environments. Some species of bony fishes live as deep as 11 km (6.8 mi.) in the deep sea.

Detailed explanation-3: -A team of scientists has discovered a new freshwater fish species and genus, Waikhomia Hira, from rivers in regions along the Western Ghats in north Karnataka. The genus, Waikhomia, has been named for Vishwanath Waikhom, a taxonomist from Manipur University who has discovered more than 100 freshwater fishes in India.

Detailed explanation-4: -1. The first bony fish appeared about 410 mya along with the placoderms and probably related to them in the Devonian.

Detailed explanation-5: -Guiyu oneiros, the earliest known bony fish, lived during the Late Silurian, 425 million years ago. It has a combination of both ray-finned and lobe-finned features.