Scuba Diving Blog & Forum
Rays and sharks are closely related. They are both cartilaginous fish, meaning they have cartilage for skeletons rather than bones. Sharks and rays both have gill slits or clefts and don’t have a swim bladder. They both have dermal denticles which are modified “scales” covering their skin referred to as shagreen. They also have ampullae of Lorenzini sensory organs called electroreceptors in common too.
Interesting facts about manta rays include the word “Manta” which takes the meaning of blanket or cloak in Spanish. They are also known as devil rays and are a common tattoo representing graceful strength and wisdom. Manta ray have the largest brain relative to body size of all known species of fish. Their diet consists of plankton, small fish and small crustaceans like krill. The largest ever recorded manta rays is 9.1 metres (30 feet), which is wider than a giraffe is tall.
The Sublue Mix Pro Underwater Scooter pulls divers or snorkelers along using two electric-powered propellers. The battery life of the Mix Pro’s removable lithium-ion battery life is the same as that of the WhiteShark, which is claimed as 60 minutes per 2-hour charge. With an amazing maximum depth rating of 40 meters (131 feet). Plus it has a smartphone mount too!
Paris Hilton scuba diver, horse rider and sky diver is the heiress to the Hilton Hotel chain. She has wealth and a net worth most could only dream of. But in addition to scuba diving, she is also is an actress, singer and author.
Quick answer to the question do empty scuba tanks float: Empty steel tanks don’t float but are less negatively buoyant. Whereas aluminium dive tanks float when they are empty or at the point of reserve air.
Scuba tanks are made out of two types of material. This is either aluminum, or actually aluminum alloy or steel. Each type has different properties, where for example steel cylinders are tougher than aluminium, making them resistant to damage. Whereas aluminum tanks are much lighter and less expensive than steel tanks.
If you’re asking “How do I get a dive buddy“, then these 6 easy ways will help you to dive with like minded people. These easy ways to find a dive buddy include joining a local dive club, finding a Facebook group or booking on a liveaboard boat trip.
Story about a Gopro lost in the ocean but with a happy ending when it’s found. But it was the Gopro floaty stick that saved the day! “It had unhinged it self and floated to the surface with The floaty stick! 8 minutes it videoed itself being tumbled about in the waves before one of the crew on the boat saw it and retrieved it.” So the moral of this scuba diving story is to only use a Gopro when scuba diving with a floaty stick!
The number of dives you need for a liveaboard range from no minimum to 100 logged dives, which is impacted by the type of diving involved. If the type of diving is deeper diving or involves diving in currents, more experience is needed and more logged dives are required to book the liveaboard trip.
The best tech dive liveaboard destinations in the world include places like Truk Lagoon (or Chuuk Lagoon) in Micronesia, Honduras, the Red Sea, The Solomon Islands and The Philippines. But also The Galapagos Islands and the Gili Islands of Indonesia offer great tech diving sites too.
Emperor Atoll Maldives reviews include words like: Fantastic trip and diving; Amazing liveaboard; EPIC – Swimming with a whaleshark; Ridiculous amounts of turtles; Ultra clear deep water; Excellent dives – saw many sharks; Friendly crews and guides; Excellent dives; snorkel was magical; We were lucky enough to snorkel with a juvenile male whale shark. The Emperor Atoll Liveaboard has scored a minimum review rating of 4.5 stars out of 5, 9.2 out of 10 and superb!
This is a scuba diving story about the recovery of the Junkers Jumo 211 diesel engine by scuba diver Leslie Storace. This engine belonged to a German Luftwaffe bomber that crashed into the sea during World War II. Junkers Jumo 211 engine was mostly used in German bombers. Luftwaffe aircraft such as Junkers’ own Junkers Ju 87 and Junkers Ju 88 used this engine. More than 70,000 of the Junkers Jumo 211 engine were made during World War II.
