Lateral line

A)an organ along the side of a fish that can detect movement in the water
B)an organ for breathing underwater, consisting of membranes through which oxygen can pass
C)scales that resemble a tooth, having a broad base and a narrow pointed top
D)a flap covering the gills of a bony fish
E)a deep sea fish with a skeleton of cartilage

A) an organ along the side of a fish that can detect movement in the water