polyp and medusa phases that the Scyphozoa‚ or "true" jellyfish‚ have. A fertilized egg develops into a sessile polyp‚ which buds asexually and eventually buds off one or more medusae. The medusa produce eggs and sperm‚ reproduce sexually‚ and thus the cycle is repeated.” Occasionally what can happen is the medusa does not break away from the parent and is forced into a state of arrested development. A hydrozoan is closely related to jellyfish and corals. (3) “Though these organisms feed on smaller
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Butterfly cod What is a butterfly cod? Butterfly cods are spectacular fish with brilliant colouring and long defensive spiny fins. It is part of the scorpionfish family‚ but unlike other members of this family which often rely on camouflage for protection‚ they swim freely around coral reefs‚ leaving their venomous fins to give them 360 degree protection. They include the firefish (Pterois species) and lionfish (Dendrochirus species). What do they look like? Butterfly cod are characterised by
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“Golden Medusa” or “lagoon jelly” is one of the many jellyfishes in the class Scyphozoa. This species of jellyfish is unique because they can be found in bays‚ lagoons‚ and harbors‚ but are most commonly found in the South Pacific and Indian Ocean. While in its habitat the jellyfish follows the sun from west to east until it reaches the shadows formed by the shore. Since this type of jellyfish has very little muscular movement by itself‚ it must be carried by the current of the ocean in order to actually
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The Moon Jellyfish in the scientific world is known as the Aurelia aurita. It is one of the most common jellyfish along the Atlantic Coast. It is reportedly less venomous than other jellyfish. The Moon Jellyfish is usually translucent white‚ pink or beige. It is in the Kingdom Animalia‚ Followed by the Phylum Cnidaria. The Moon Jellyfish is in the class Scyphozoa. Its belongs to the order Semaeostomeae. It is in the family Ulmaridae and the Genus Aurelia. The Moon Jellyfish belongs to the Species
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Paleontology Cnidaria and Nematocysts Cnidaria‚ also called Coelenterata‚ is a large phylum of marine organisms with around 10‚000 species. These species are corals‚ jellyfish‚ various plant-like organisms‚ as well as many others. These are all very different from each other‚ except for one similar attribute. They all have Nematocysts‚ which are stinging cells used by all Cnidaria for either defense or hunting. Nematocysts have a variety of functions to fulfill these tasks. The organism can use
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Invertebrates Jellyfish The Jellyfish are truly a wonder of nature. They have always been objects of deep observation and admiration. Not to mention the fact‚ that they are also considered in great awe‚ fear and even repulsion by some folks. The repulsion and fear have originated from the fact that these creatures can be quite beautiful to behold‚ but extremely painful when stung by them. These marine creatures are classified under the group of Cnidarians. They typically have a soft jelly like consistency
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previous night brought all the shells up onto the shore. I found an extremely shiny and smooth shell. I showed my mom and she said‚ “Wow‚ that is smooth!” I replied‚ “Yes‚ I am keeping it!” We continued walking down the beach until we found a jellyfish that washed up on the shore. I looked at it and said‚ “Wow look‚ it’s huge!” The jelly fish must have been at least 8 inches in diameter. My mom came to look and said‚ “Look how clear the body is!” I replied‚ “You can see its insides!” We continued
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Starfish or sea stars are marine invertebrates belonging to the phylum Echinodermata; class Asteroidea. Crown of Thorns Starfish (Acanthaster planci) are found on coral reefs in the tropics ranging from the Red Sea‚ the Indian and Pacific Oceans‚ and all the way to the Pacific coast of Panama. It plays a major role in the destruction of fast growing coral species. Scientists believe that this starfish has lived on the reefs for tens of thousands of years and when the populations of this echinoderm
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plant-like polyps before transforming into some of the greatest ocean predators‚ all without having any brain‚ heart‚ backbone‚ eyes‚ ears or teeth. Cnidaria‚ otherwise known as jellyfish‚ are gelatinous animals found at all depths within all oceans around the world‚ and are some of the oldest animals evolutionarily speaking. Jellyfish are rather simplistic‚ anatomically speaking. They are diploblastic‚ meaning that they have a body wall with two cell layers‚ an external epidermis and an internal gastro
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Sorry that I could not write you earlier. The fact is that I had been on a visit to Karachi‚ Pakistan and saw your letter only this morning. I had never been to far off place. I had heard so much of Pakistan before. Now I have satisfied my long cherished desire of seeing this beautiful city. It is a large city well planned containing magnificent buildings depicting architecture which I have never seen before. The Bandar area is rather scattered. They have drilled square holes down in the middle
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