Tim Grollimund: 31 books

There has been a debate for decades on how many species of hamlets exist. The original classification was for one species (Hypoplectrus unicolor), and color variations didn’t matter enough to differentiate a new species. As this debate has raged, scientific research is shedding light on the differences...

The Spiegel Grove has a wealth of opportunity for great diving. Not only because it is an icon of Key Largo, it’s just plain fun, sprinkled with a bit of a challenge at times. I have been on the Spiegel in a wide variety of conditions... less than 30 feet of visibility, with loads of current, to...

The Mooring Buoy System started with an idea, was implemented on a small scale, and grew to become a world dominating practice. John Halas told me that as an employee of the Key Largo National Marine Sanctuary in 1981, the light bulb went off, and he thought through his idea, presented it to the powers...