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Bathtub Reef Beach

September 6th, 2015

Bathtub Reef Beach is located at the south end of Hutchinson Island, near Stuart Florida. The reef rocks formed by Sabellariid worms through a process of cementing together sand and bits of shell into a honeycomb-like rock, creates a suitable habitat for sea life. Meet the Little Blue Heron and the Ruddy Turnstone. It is a favorite spot for families and beach goers of all ages. The reef creates a lagoon off shore with shallow, clear and calm water. Snorkeling is a popular activity at Bathtub Reef because of its clear water.



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Cardisoma guanhumi

August 4th, 2015

Cardisoma guanhumi, also known as the blue land crab, is a species of land crab found in tropical and subtropical estuaries. Cardisoma guanhumi is omnivorous, collecting and eating leaves and fruits close to its burrow whilst also eating insects and carrion.

Cardisoma guanhumi

Please click the HD button for better quality.Cardisoma guanhumi, also known as the blue land crab, is a species of land crab found in tropical and subtropical estuaries. Cardisoma guanhumi is omnivorous, collecting and eating leaves and fruits close to its burrow whilst also eating insects and carrion. Like many crabs, this species is cannibalistic. They move in the shade during the day and will eschew moving in prolonged direct sunlight to feed at night instead. Cardisoma guanhumi finds its food using light and sound detectors. Experiments show that crabs can be drawn out of their burrows to investigate the sound of falling fruit, once out they initiate a search for food. Predatory behavior is released in these crabs by detection of small moving objects. Crabs in the genus Cardisoma are able to detect small vibrations on the ground within the range of 10–1500 Hz and 70 dB. Visual acuity increases with body size due to an increase in both the number and diameter of ommatidia.

Posted by Olga Hamilton Photography and Art on Monday, August 3, 2015


Like many crabs, this species is cannibalistic. They move in the shade during the day and will eschew moving in prolonged direct sunlight to feed at night instead. Cardisoma guanhumi finds its food using light and sound detectors. Experiments show that crabs can be drawn out of their burrows to investigate the sound of falling fruit, once out they initiate a search for food. Predatory behavior is released in these crabs by detection of small moving objects. Crabs in the genus Cardisoma are able to detect small vibrations on the ground within the range of 10–1500 Hz and 70 dB. Visual acuity increases with body size due to an increase in both the number and diameter of ommatidia.

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Anastasia Formation, Ross Witham Beach, Stuart, Martin County, Florida

February 4th, 2014

Ross Witham Beach, one of the most beautiful places in Martin County, is located on Hutchinson Island and well-known for its exposed section of the Anastasia formation, a geologic formation deposited in Florida during the Late Pleistocene epoch. The beach is named after a local environmental activist Ross Witham, also known as the "Turtle Man." Through public education and in his role as Marine Turtle Coordinator for the Florida Department of Natural Resources Mr. Witham had a profound impact on the field of sea turtle biology and conservation. He authored more than 30 professional papers about aspects of sea turtle and spiny lobster biology and coached countless volunteers (including children, retirees, and academics) on how to identify and protect sea turtles. Mr. Witham's projects at the House of Refuge hatched and released more than 28,000 turtles.

Mr. Witham passed away on 27 February 2004, on the last day of the 24th Annual Sea Turtle Symposium, at the age of 87. A memorial has been established at the Environmental Studies Center in Jensen Beach, Florida. His ashes were scattered in the ocean when that year’s cohort of green turtle hatchlings were swimming offshore to start their pelagic lives.

Ross Witham Beach is located in front of Gilbert's Bar House of Refuge, 301 S.E. Mac Arthur Blvd, Stuart.

The Anastasia formation, named by E. H. Sellards in 1912, is composed of interbedded sands and coquina limestones. The formation is an orangish brown, soft to moderately hard, coquina of whole and fragmented mollusk shells within sand often cemented by sparry calcite. This formation is an integral part of the surficial aquifer system.

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