Drysuit valves and diving techniques

The different types of valves used in a dry suit are described to guide in divers' selection. Tips on drysuit diving are also offered including pre-dive inspections...

Underwater search techniques

Search and rescue divers follow systematic movement patterns to cover as large an area as possible under different diving conditions. These diving patterns are...

Underwater cleanup tips

An underwater cleanup activity is an entertaining way of preserving the ecology, meeting other people and engaging in a different underwater activity. Divers in a...

Damselfish: reef farmers or fighters?

The damselfish is the most popular member in the family of reef fish. They consist of nine species which are identified based on color....

Sharks you should know: nurse shark (Ginglymostoma cirratum)

Nurse sharks may appear lethargic and slow but when disturbed, they can attack quickly and can inflict harm on other creatures. They can lie motionless for...

The 5 sharks least dangerous to divers

The five least dangerous sharks include the basking shark, the whale shark, the scalloped hammerhead, the horn shark and the zebra shark. Other sharks that are...

Dealing with downdraft currents

Downdraft currents such as laminar flows affect wall diving. Divers should be ready to adjust their equipment, particularly buoyancy compensators, to counteract the downward pull of such...

What divers should know about bone health

Essential facts about bone health and osteoporosis are presented. Most studies show that avoiding calcium loss is more important than large intake of dairy products in the...

Dizziness during diving

Occasionally, a diver may experience dizziness while diving. Some experience dizziness while on the bottom, others while ascending; few complain about feeling dizzy during...

Trumpetfish: masters of camouflage

Trumpetfish adapt well to life on a shallow reef due to their ability to change color and pattern as well as their numerous hunting...

Recent Posts

Crime-free dive trips

We're not saying bad things will happen to you on your next dive vacation, but we are saying they can happen. Savvy travelers, however,...

Scuba fitness: five great stretching mistakes

Proper stretching techniques increases one's capacity for flexibility. Divers need to develop flexibility to decrease the possibility of skeleto-muscular injuries. Have you ever started to fall...

Using dive tables and dive computers safely

Divers should follow the limits set by their dive tables and computers. This is because there is lesser risk of decompression sickness when divers...

Scuba quiz topic: bubbles

Decompression sickness (DCS) is caused by bubbles in the body. However, there are instances when people with bubbles may not have DCS. Information about bubbles...

Dealing with downdraft currents

Downdraft currents such as laminar flows affect wall diving. Divers should be ready to adjust their equipment, particularly buoyancy compensators, to counteract the downward pull of such...