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Jumping Mobula Rays in the Sea of Cortez – Video

Posted on Monday, January 16th, 2012 at 4:37 pm

One week day afternoon I had the opportunity to slip away from the desk and catch the tail end of a hurricane swell hitting the beach of Cape Canaveral. I could barely see other surfers in the distance leaving me alone with no competition for shoulder to head high sets in perfectly glassy waters. In between sets I would catch movement out of the corner of my eye followed by a splash off in the distance. After a few minutes of this I started getting a little creeped out, naturally. I caught the glimpse of a ray jumping out of the water and slamming down on the surface with a splash. I thought to myself how cool is this? I watched dozens of jumping rays in the next few minutes when I started thinking about Steve Irwin’s fatal experience. The man wrestled gators and teased rattle snakes only to fall pray to a chance encounter with a stingray barb to the chest. Suddenly a ray came shooting out of the water and slams back down 3 feet from the nose of my board! I
watched the rest of the show from the beach.

In this video posted back in October of 2011, hundreds of rays can be seen jumping out of the water. The poster states these are Mobula Rays off of Isla Espiratu Santos near La Paz, located in the Sea of Cortez. This area is part of a federally decreed Flora and Fauna Protection Area and a United Nations Biosphere Reserve.

Most Popular Posts of the Week January 8 – January 14, 2012

Posted on Monday, January 16th, 2012 at 10:30 am

Tropical Marine creates their own YouTube Channel

Posted on Sunday, January 15th, 2012 at 2:13 pm

Tropical Marine Centre in Bristol has created a YouTube channel to upload images and video footage of interesting livestock as it becomes available. The channel is listed as TMCBristol’s channel consisting of 9 videos to date.

Here is a video showing off the TMC Bristol Flame Dwarf Parrot (Cirrhilabrus jordani)

Although not all our aquarium inhabitants are from Hawaii, this book is a nice reference. The book covers anemone stings, coral cuts, fireworm stings, scorpionfish wounds, etc. All of us will experience at least one of these events at some time. Excerpts can be found online and Amazon has used copies for as little as $12.96. At the very least book mark the following links to the excerpts:

This book is available here: All Stings Considered: First Aid and Medical Treatment of Hawaii’s Marine Injuries

Paperback: 233 pages
Publisher: Univ of Hawaii Pr; 1 edition (June 1997)
Language: English
ISBN-10: 0824819004
ISBN-13: 978-0824819002

The entire book is available on Google. I found the excerpts more useful.

Flatworms Found to be more than just a nuisance to corals.

Posted on Saturday, January 14th, 2012 at 2:06 pm

We’ve all had issues with flatworms and we know they irritate our corals, but why has always been theories. The long thought symbiotic relationship between corals and flat worms has been a mystery. The term symbiotic in my opinion is an incorrect statement based on my experience. Some corals seem to tolerate flatworms leaving them to be a visual nuisance while other corals really seem to be irritated by the presence of flatworms often causing the death of the coral. A new study published in the scientific journal Coral Reefs has determined that flatworms compete with corals for zooplankton making them a parasite. Something reefers have always assumed. The full story can be found here:

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