Phylum Chordata (e.g. Eel)This is a featured page

Common Characteristics Between the Spotted Moray Eel and the Phylum Chordata


My name is Gymnothorax moringa, more commonly known as the Spotted Moray eel. I am member of the class Osteichthyes, or bony fishes, a subdivision of the Subphylum Vertebrata, which is a subdivision of the Phylum Chordata. My goal is to tell about my specific features as well as how I relate to all members of the Phylum Chordata. In order to explain this, let's take a look at the characteristics of all the levels of classification above myself to see the common features.

Since I am representing the entire Chordata Phylum, I am going to discuss the characteristics that are common among all of the members of the Phylum Chordata. All Phylum Chordata members have a notochordencased by a firm sheath that lies ventral to the neural tube, aollow nerve cord that lies dorsal to the notochord, pharyngeal pouches, and all are endostyle, which are elongated grooves in the pharynx floor of protochordates that may develop as the thyroid gland in chordates. All animals under the Phylum Chordata category in this Wiki share those four characteristics.

Beyond these four common characteristics, certain subclassifications of animals will share specific qualities. This process continues until one specific species is developed. By making more specific classifications, scientists can narrow down organisms until one, unique set of characteristics is found for a particular animal.Phylum Chordata (e.g. Eel) - CHS Animal KingdomPhylum Chordata (e.g. Eel) - CHS Animal Kingdom

7 Survival Functions

Feeding
I can feed in several ways, but I am primarily a carnivore that enjoys catching pray in a method worth posting on You Tube. One video above is an example myself eating a carcass, which is the typical spotted moray style. I typically eat dead fish carcases, arthropods, aquatic plants, and other small sea creatures. I utilize a mouth, esophagus, stomach and kidney, structures also found in humans. We may look quite different, but you will find many structures repeat between the human anatomy and the anatomy of eels like myself.

Respiration
I breath through gills, a method used by all fish. Diffusion helps aid in water movement through the gills, and oxygen is filtered from the water to give a life source to myself. Humans use air as their oxygen source, while I use water as their oxygen source. This oxygen gathering method is no different than that of a wide variety of sea creatures. All sea creatures share a certain bond, and I am proud to share the same respiration system with many of my comrades.Phylum Chordata (e.g. Eel) - CHS Animal Kingdom

Circulation
Similar to humans, I have a heart to pump the circulation of blood through my body. One of the major parts of my blood circulation system is the interaction with my gills, which enables the blood to transport oxygen to other cells in the fish. The circulation system also transports nutrients, wastes, and other objects that need to be relocated, a fundamental circulatory system function. My circulation system simply transports what I need where it is needed.

Excretion
For excretion, I remove my wastes similar to other aquatic animals through nitrogenous wastes, often in the form of ammonia. To regulate excretion, my kidneys continuously monitor the water levels within my body, which is one of the many homeostasis processes that occur in my body at all times.Phylum Chordata (e.g. Eel) - CHS Animal Kingdom

Response
I have a very well developed nervous system designed for quick responses in comparison to most organisms. My cerebrum is the main unit for my sense of smell, my cerebellum coordinates body movements, and my medulla oblongata regulates the functions of several internal organs. Also, my lateral line system detects nearby water currents so I may be aware of potential predators and prey. I may look like a simple tube like creature, but I can react in several complex ways.

Movement
I move by contracting several muscles along the outside of my body, and when I get in a rapid rhythm, I can move quickly to my destination or target of choice. Quick movement is an essential part of feeding successfully, and without my high agility level, it would be much harder to survive in the aquatic world. My transportation method separates me from many of my underwater rivals.Phylum Chordata (e.g. Eel) - CHS Animal Kingdom

Reproduction
Of the seven survival functions, reproduction is the most intriguing and interesting from my point of view. I reproduce sexually with a mate, and this process is extremely special to me. Specifically, I am oviparous, which means my eggs hatch outside the mother's body after being fertilized. It is my duty to help protect and aid my offspring so the Spotted Moray legacy may continue for future generations. Without, reproduction, you wouldn't be reading this information right now!





























Citations
"Spotted Moray eel." YouTube (2007). On-line. Internet. 22 April 2008. Available FTP: http://www.youtube.com/watch?v=CK8cCMADpmI.

"Spotted Moray Eats Carcass." YouTube (2006). On-line. Internet. 22 April 2008. Available FTP: http://www.youtube.com/watch?v=IRoR6nahrW0.

"Characteristics of Chordates." (2005). On-line. Internet. 28 April 2008. Available FTP:http://www.shsu.edu/~bio_mlt/Chap2.html.

"Wolf-eel Photos and Body Parts." Mondaragon Photography. (2007). On-line. Internet. 29 April 2008. Available FTP:http://www.mondragonphoto.com/stock/wolf-eel.html.



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