Dugong dugon, It has a bobbin-shaped body that resembles a dolphin. The body is pinkish-gray or gray-brown. The color of the abdomen is lighter. The dugong has short hair. Sporadic throughout the body and densely large hairs around the mouth. Each has a pair of small eyes and ears. The ear part is a small opening, no auricle, and a pair of nostrils close together. The nostrils have a closed-open tongue. The dugong breathes every 1-2 minutes. It has a pair of front fins on both sides of its body and a milk polyp behind its base. Both fins were changed from the front legs. The inside of the fin consists of 5 fingers. The manatee normally swims slowly at a speed of 1.8-2.2 km/h.

อ่านเพิ่มเติม โรงเรีนบบ้านโป่งเจ็ด
นานาสาระ แมลงวันผลไม้