The millions of juvenile oysters were added to the shoreline of Hudson River Park's Gansevoort Peninsula.
The New York Times recently profiled multiple private dog parks around New York City, including The West Village D.O.G. Run.
Park staff recently found the first seahorse of the spring season in the Hudson River, one of only around a dozen found each year.
The Hudson River Park staff called finding the strange-looking fish "thrilling for a number of reasons."