• Aerial View of Padre Island National Seashore

    Padre Island

    National Seashore Texas

There are park alerts in effect.
show Alerts »
  • Park Phone issues

    The visitor center main phone line and fax line are not working. To reach the park visitor center, call (361) 949-8069. Fax to (361) 949-7091, Attention: Visitor Center. We apologize for the inconvenience.

  • Bird Island Basin Campground rehabilitation starts August 18, 2014

    The second part of a project to repair facilities and rebuild eroded shoreline at Bird Island Basin Campground begins August 18. Minor disruptions of activities in the immediate area may occur. None of the work should affect use of the boat ramp.

  • Coastal Flood Advisory until 10:00 pm CDT 9-26-14

    The National Weather Service issued a Coastal Flood Advisory due to strong offshore winds pushing the tides above normal levels. Beach driving is highly discouraged. Flooding up to the dunes is likely. Additional updates will be posted if necessary.

Other Life Forms

Red tide is a naturally occuring, higher than normal concentration of the microscopic algae Gymnodinium breve (JIM-NOH-DIN-EE-UHM BRAY-VAY). This organism produces a toxin that affects the central nervous system of fish so that they are paralyzed and cannot breathe.

Red tide algae reproduce in dense concentrations called "blooms", which are visible as discolored patches of water, often reddish in color, and which are characterized by a weak, ammonia-like odor. Red tide blooms often result in thousands of dead fish washing up on Gulf beaches.

Red tide is a natural phenomenon not caused by humans. When temperature, salinity, and nutrients reach certain levels, a massive increase in Gymnodinium breve occurs. No one knows the exact combination of factors causing red tide, but some experts believe high temperatures combined with a lack of wind and rainfall are usually at the root of red tide blooms. There are no known ways that humans can control it, however many scientists around the world are studying red tide.

It's important to remember that red tide has happened before and the Texas marine environment has always recovered.

Texas red tides have occurred from August through February. They typically begin offshore in the Gulf of Mexico and are transported by currents and winds toward shore. The blooms mainly come up along Gulf beaches and less frequently into bays and estuaries. It's almost impossible to say exactly where the red tide is at any given moment, because blooms constantly expand and contract and move around in response to winds and tides.

It's important to realize that red tides are typically isolated patches that don't blanket every stretch of beach. The often concentrate around wind- or tide-protected areas like man-made jetties.

It's usually okay to eat fish, crabs and shrimp during a red tide bloom, because the toxin is not absorbed into the fleshy tissues of these animals. However, you should never eat fish found sick or dead--something other than red tide may have effected them. The Texas Department of Health may issue shellfish closures banning the consumption of oysters, mussels and clams for parts of the coast, because red tide can be absorbed into their edible parts resulting in neuro-toxic shellfish poisoning. Although not known to be fatal, neuro-toxic shellfish poisoning can cause dizziness, nausea, and may last for several days.

The Texas Department of Health may issue health advisories warning beach-goers that red tide algae in the water or ocean spray can irritate your lungs, nose, and throat and may cause coughing spells. Symptoms usually disappear very soon after leaving the red-tide affected area.

Texas Parks and Wildlife has set up a menu item on its main information line to provide regularly updated reports on the current red tide even. Phone 1-800-792-1112, press 4 for fishing, then 9 for red tide information. Or call the Texas Parks and Wildlife Kills and Spills Team at (512) 389-4726.

Did You Know?

White-tailed buck (odocoileus virginianus)

The white-tailed deer on the island are not considered the island's largest native mammal because they are believed to come across the Laguna Madre from the mainland. Coyotes are considered the island's largest native mammal. More...