Jellyfish are believed to have existed on Earth even before the dinosaurs, which makes them one of the oldest surviving species among marine creatures. Their lifespan can vary from as little as a few days to about a year. Jellyfish sting their prey using tentacles that have specialized cells known as cnidocytes.
Contact with a jellyfish tentacle can trigger millions of cnidocytes to pierce the skin and inject venom. However, only the venom of few species cause an adverse reaction in humans.
Every ocean in the world is home to millions of jellyfish who are known to survive in all depths of water, right from coral sea beds to the deep bottom of oceans. They can be found in different sizes, varying from some as small as your thumbnail, to some as large as humans and even bigger.
They have an incomplete digestive system, meaning that they use the same opening for food intake and discarding waste.
Jellyfish hunt passively using their tentacles as nets, their diet includes plankton, crustaceans, fish eggs, small fish and other jellyfish. Jellyfish have limited control over their movement and mostly free-float, as jellyfish squirt water from their mouths they are propelled forward.
Jellyfish are non-polyp form of creatures of the phylum Cnidaria. It consist of 4 major classes, namely Cubozoa, Hydrozoa, Scyphozoa, Staurozoa. These classes are further divided into orders, which is further divided into families. Each of these families contain different types of jellyfish of various genus, and these genus contain different species of jellyfish.
Following are some of the known families of jellyfish. This is the family of true jellyfish. There are 3 known species in this family. All the species are mostly found in the Atlantic Ocean and Mediterranean Sea.
Genus Drymonema was a part of Cyaneidae family, but it has been moved to this family. There are 15 known species in this family. Some popular species in this family include black jellyfish, purple-striped jelly, Pacific sea nettle and the Atlantic sea nettle.
Phacellophora camtschatica , also known as the egg-yolk jellyfish, is the only member of this family. This species was a part of Ulmaridae family but is now the only member of Phacellophoridae family.
This family has only one genus containing 2 species. They are mostly found in West Atlantic and Pacific oceans. Cannonball jellyfish Stomolophus meleagris is a well-known species from this family. There are at least 18 species in this family. They noted:. Lord Exmouth is a cracking traditional song which we heard sung at a festival a few years back. There are definite links between this shorter song and a longer ballad entitled The Battle of Algiers though.
Come all you warlike seamen that to the seas belong; I'll tell you of a fight, my boys, on board the Nottingham. It was of an Irish captain, his name was Somerville, With courage bold he did control, he played his part so well. Bound for the coast of Ireland, our orders did run so: For us to cruise and not confuse and face a daring foe.
We had not sailed many leagues at sea before a ship we spied. She being some lofty Frenchman come a-bearing down so wide. We hailed her off France, my boys, she asked from whence we came. Come strike your English colours or else you shall bring to. Since you're so stout, you shall give out, or else we will sink you.
The first broadside we gave to them, it made them for to wonder. Their mainmast and their rigging too a-rattling down like thunder. We drove them from their quarters, they could no longer stay. Our guns did roar, we made so sure we showed them British play. So now we've took that ship, my boys, and God speed us fair wind That we might sail to Plymouth town if the heavens prove so kind. We'll drink a health unto our captain and all such warlike souls. To him we'll drink, and never flinch, out of a flowing bowl.
Rarer than a good song should be, this one. Sharp heard it, or three verses of it, in a Herefordshire workhouse the workhouse was a great place to find singers in his day. The tune belongs to that imposing family of heavy crotchet, double-stamp ending, hornpipe-like melodies such as the Irish march tune, The Peacock , already popular in the opening years of the nineteenth century. It's the favourite kind of melody for a great many songs about sailors, beggars and robbers. Any connection?
He commented:. One night when singing in Frank Traynor's club I heard a strong Cockney voice singing along in the audience. As a captain you are able to buy a variety of sailing vessels, each with its own features, and use them to visit the over 50 ports that are availabe, from Erengrad to Sartosa. Windward A game best enjoyed with friends, Windward is a multiplayer sandbox game that takes place in a procedurally generated world. The player is in control of a ship sailing the high seas, making deliveries for different towns and fighting off the pirates that want to plunder their vessel.
By building a fearsome reputation, you will become the most well-known captain and all of your enemies will stay out of your path. The gameplay encompasses a huge variety of actions, including sailing, trading, engaging in naval combat, capturing ships, sword fighting and even dancing. Up to 16 real players led by another player have to work in perfect synergy and man the cannons, patch holes in the ship, repair sails, pump out water and fire at the enemy ships that are approaching.Identify seashells from beaches of Sanibel Island, Captiva, Marco, 10k islands, Goodland, Naples, westFlorida, Gulf coast, Lee County, Collier County. Guide to shells for best shelling.