Adapted among fishes for terrestrial activity, they breathe by holding water in their mouth and gill chamber, replacing with fresh water when it becomes deoxygenated. By staying damp, the fish can also breathe through its skin.They are completely amphibious fish.Mudskippers have their eyes on the top of their heads and their excellent eyesight allows them to spot prey and predators from afar.
The catfish (Order: Siluriformes; Family: Siluridae) was caught from an ox-bow lake(natural wetland) and photographed on the spot.
The Black-line Rasbora (Rasbora daniconius) is a benthopelagic and potamodromous species. It occurs in a variety of habitats: ditches, ponds, canals, streams, rivers and inundated fields, but is primarily found in sandy streams and rivers. It is also found in brackish waters. It sometimes forms large schools. It is found in the rivers of Maharashtra and Karnataka in India. The body is oblong and compressed. The greatest width of the head equals its post-orbital length. It is about 400 mm in size.
In adult stage the black line in his lateral body are feint and the silver color in his body have light pinkish in color.