Observation on Chordates

Discussion: Through observations we were able to see that our specimen shark is similar to the descriptions present in our lab manual. Visual inspection has aided in learning more about the sharks external anatomy. The sharks have many characteristics that are intrinsic to its living, namely gill slits, fins and spiracles to name a few. We were able to see two eyes, small teeth, a mouth, two dorsal fins, two pectoral fins, and a tail. The eyes are glossy and blue in color. The skin of the shark had various textures in different parts of its body. It is rougher on the dorsal side than on the ventral side. We observed five gills slits that were found on either side of the head. Also, two holes were observed on either side of the head. Our length of our shark was anywhere from two to three feet.…