42 shrimp anatomy diagram
shrimps, lobsters, crayfish, isopods, and amphipods. Primitively the trunk consists of 15 segments, eight in the thorax and seven in the abdomen but in most Recent species the abdomen has only six segments. The female gonopore is on the eighth thoracic segment and the male on the sixth. Decapoda O The The common shrimp is broken down into 8 major parts: the "carapace" or head - (the "rostrum" protrudes from the front, top, center) 6 abdominal segments (the first just behind the carapace and the sixth in front of the tail) The "telson" or tail. The eyes are located on either side of the rostrum. In true shrimp, a cuticular cover, the carapace, extends over and covers the thoracid segments that streamlines the shrimp. The dorsal midline of the cephalothorax is often produced into a dorsal carina (keel) that looks and acts much like the keel of a ship, but in shrimp, the "keel" is upside down yet serves the same Shrimp anatomy diagram