条件筛选
-
What to do when a new koi lies on the bottom of the tank? Let's start with the anatomy of the lateral line and muscles
Lateral line All fish have a sensory organ called the "lateral line." A series of scales with small pores or micropores runs along both sides of the fish's body, looking like a row of small dots. These pores open into a tube beneath the scales, and the tube runs along the fish's...