Scuba diving

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Scuba diving is using self-contained breathing equipment to stay underwater for periods of time greater than human breath-holding ability allows.

The diver carries all equipment necessary for diving and is not reliant upon equipment elsewhere (e.g. on the surface) to supply breathing gas or other support during the dive. The diver swims underwater using fins attached to the feet. Some divers also move around with the assistance of a DPV (Diver Propulsion

Vehicle), commonly referred to as a "scooter", or by using surface-tethered devices called sleds, which are pulled by a boat.

The word 'SCUBA' is an acronym for "Self Contained Underwater Breathing Apparatus", but it has become acceptable to refer to 'scuba equipment' or 'scuba apparatus'.The term SCUBA in common usage usually means open-circuit equipment in which gas (usually air) is breathed from a tank of compressed gas and then exhaled into the water, usually in the line of kit development started by Emile Gagnan and Jacques-Yves Cousteau.

However, rebreathers (both semi-closed circuit and closed circuit) are also self-contained systems (as opposed to surface-supplied systems) and could be classed as SCUBA. The term SCUBA arose during World War II and originally referred to USA combat frogmen's oxygen rebreathers, developed by Dr. Christian Lambertsen for underwater warfare.

Scuba diving is still evolving, but general classifications have grown up to describe various diving activities. These classifications include, but are not limited to:
• Recreational diving
• Public safety diving
• Technical diving (also called Tech Divers)
    o Cave diving
      o Deep diving
      o Ice diving
      o Wreck diving
• Military diving: this includes combat divers and armed forces work divers
• Commercial diving
• Scientific diving

Within recreational diving there are those who are considered professional divers, because they maintain a professional standard of training and skills (and must, in theory, according to the laws of the area, carry professional liability insurance). Some consider technical diving to be a subset of recreational diving, but others separate it out due to the extensively different training equipment and knowledge needed for technical dives.

Public safety diving and military diving might likewise be classified as commercial diving because public safety divers and military divers make a living from their pursuit of diving. However, public safety divers (police or rescue) and military divers have a different mission from the typical commercial diver.

Diving in Isla Mujeres is a wonderful activity with unique characteristics. This Island was preferred by important Ocean filmier and journalists like Jacque Cousteau and Ramon Bravo who discovered and filmed important TV reports about the worldwide famous sleeping sharks since the 70’s.

This National protected area known as National park Isla Mujeres Cancun with more than eight hundred nautical hectares is divided in three to preserve it and control the activities on each area. This national park has registered 265 species of Marine grass, 73 kind of coral reefs, 53 marine sponges, 73 plankton species, 37 crustaceous, 103 fishes, 5 mammals 6 reptiles and 26 poultry species.

The coral reefs surround the island as a wall that Project it of the big whales and strong currents. These coral reefs extend from the Mexican coast through Belize, Guatemala until Honduras and form one of the biggest reef walls of the World only under the famous one of Australia.

Geographic area Occidental coast of Isla Mujeres, is located at west of the island with almost three thousand hectares has unforgettable places to practice snorkel like “El Farito”, “La Carbonera”, “Sac Bajo” y el “Garrafón”.
Geographic area Punta Cancún, located at the north extreme of Isla Cancún with three thousand and three hundred hectares you can find places for snorkel and diving like “El Grampín”, “Punta Negra” y “San Toribio”, In the limit south east you‘ll find out the navy boats C-58 Anaya y C-55 “Juan de la Barrera”, of the second world war.
Geographic area Punta Nizúc, with 2 mil 576 hectares limited at south with the National park of Puerto Morelos there you will find the most preserved park and is ideal for snorkel.

In deep sea Ocean between 4 to 7 mills away of the East coast of Isla Mujeres you can enjoy Deep and Night diving where you will find the” Freeze Boat” Sank it for divers enjoy, The sleeping shark caves is available under 60 feet deeps water too.