Texas Historical Marker

Rollover Fish Pass

Gilchrist · Galveston County · placed 1963

Hear Duane tell it

Galveston County, Texas

Duane's take

Here's my telling of what the official marker has to say about Rollover Fish Pass on Bolivar Peninsula. Now settle in, because this one's got layers. It starts with fish, but it ends with barrels, and there's a good stretch of legend in between.

A strait, approximately two hundred feet wide, five feet deep, and more than sixteen hundred feet long, cut right across Bolivar Peninsula. The Texas Game and Fish Commission opened it in 1955, and they had two clear purposes in mind. First, they wanted to introduce enough sea water into East Bay to raise the salinity of the bay.

Second, they wanted to give marine fish more room to travel back and forth to their spawning and feeding areas. Simple enough on the surface. But to understand why any of that mattered, you have to hear what was happening to East Bay before the pass existed.

Several fresh water streams were discharging into the area from the mainland side of the peninsula. All that fresh water was pushing the salinity down, and low salinity did two things, neither of them good. It limited the existence of marine fish outright, and it restricted the growth of submerged vegetation.

Now that vegetation is not just scenery. It provides nursery areas and forms the very basis of the food cycle for marine life. Take it away and the whole system suffers.

So the commission built the pass, and by all accounts it worked. Salt water fishing conditions in East Bay improved greatly, and thousands of sportsmen flock there throughout the year because of it. That's the science and the policy.

But here's where the story gets interesting. The place was known as Rollover long before the Texas Game and Fish Commission ever showed up with a dredge. The name goes back, way back, through the American prohibition period and all the way to the days of the Spaniards.

And according to legend, the name tells you exactly what used to happen here. Certain early ship captains, the story goes, preferred to avoid contact with the customs station at Galveston. So instead of sailing around and dealing with the formalities, they would roll barrels of imported merchandise from the gulf side of Bolivar Peninsula right over to East Bay.

From there, the barrels were transferred to the mainland without further formality. The legend doesn't stop there either. That same rolling procedure, run in reverse, is also said to have been used for selected items of export.

So goods were rolling in both directions across this narrow strip of Texas ground, quietly, efficiently, and well outside the attention of anyone wearing a customs badge. A fish pass built for science, sitting on ground that legend says was built for something else entirely. Rollover, indeed.

What the marker says

A strait approximately 200 feet wide, 5 feet deep and more than 1,600 feet long across Bolivar Peninsula - was opened in 1955 by the Texas Game and Fish Commission as part of its continuing program to perpetuate and improve the state's fish and wildlife resources. The commission's purposes in constructing this pass were to introduce into East Bay sufficient quantities of sea water to increase bay water salinity, and to provide additional opportunity for travel of marine fish to and from spawning and feeding areas in the bay. Lower salinity in East Bay was caused by the discharge of several fresh water streams into the area on the mainland side of the peninsula. This excessive fresh water not only limited the existence of marine fish but also restricted the growth of submerged vegetation, which provides nursery areas and forms the basis of the food cycle for marine life. Creation of Rollover Fish Pass has greatly improved salt water fishing conditions for the thousands of sportsmen who flock to East Bay throughout the year. Known as Rollover long before the Texas Game and fish Commission constructed the fish pass, this site has a history steeped in legend dating back to the days of the Spaniards and continuing through the American prohibition period. According to legend, it was first called Rollover because certain early ship captains preferring to avoid contact with the customs station at Galveston would roll barrels of imported merchandise from the gulf side of Bolivar Peninsula over to East Bay. From there the barrels were transferred to the mainland without further formality. The same rolling procedure - in reverse - also is said to have been used for selected items of export.

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