Author

Thomas Gronfeldt

Writer

Thomas started diving during college and has since been diving over most of the world: Australia, Indonesia, Iceland, France, and many other places. He is a NAUI instructor and a commercial diver, and participates in environmental and archeological diving projects around the world.

Stories by Thomas
Dive Guide
New to Scuba Training

The Proper Role of a Dive Guide

The proper role of dive guides is not to keep you safe, but rather to assess the safety and suitability of the dive site and act as a tour guide.

by
Scuba Diving
Freediving New to Scuba Training

Scuba Diving, Snorkeling, Skin Diving, Freediving: What’s the Difference?

You have plenty of friends who don’t dive. Here’s how to explain to them the difference between scuba diving, snorkeling, skin diving and freediving.

by
Scuba Diving and Old Age
Health In the Water

Scuba Diving and Old Age

Diving is perfectly safe for most of us as we get older, but there are some things to keep in mind when it comes to scuba diving and old age.

by
Humpback Whale Congregation
In the Water News

Humpback Whale Congregation Mystery May Be Solved

Scientists may have solved a decades-long mystery of mass humpback congregations taking place off the coast of South Africa

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New stuff
sardine run

Top Tips on the Sardine Run in South Africa

The sardine run along the South African coast is one of the largest marine-life migrations on earth. Here's all you need to know about this extraordinary event.
by Juanita Pienaar
explorer ventures

Explorer Ventures Liveaboard Fleet Announces Two New Boats

Explorer Ventures liveaboard fleet announces the addition of two new boats: one in Indonesia and one in the Galapagos
by Press Release
technical diving

The ABCs of Technical Diving: X through Z

In the last installment of our tech-diving ABCs series, we’re looking at the letters X, Y and Z, starting with X-over (crossovers) and finishing with Z-knives.
by Yvonne Press

First Study of World’s Smalleye Stingray Reveals Long-Distance Migration

Scientists from the Marine Megafauna Foundation have for the first time used photo IDs to study the elusive smalleye stingray in southern Mozambique.
by Press Release