‘Tis derby season. In just two days the Vineyard community will undergo a large transformation as the 67th annual Martha’s Vineyard Striped Bass and Bluefish Derby, the Island’s annual Olympics for fisherman, begins.

Close to 5,000 tagged juvenile winter flounder will be released this week into Nashaquitsa Pond, following a two-year federally-funded study. Last week, crews involved in the project at the Wampanoag tribe’s hatchery overlooking Menemsha Pond spent two days tagging the fish they had raised in the hatchery since last spring. Each fish measured less than two inches in length.

Nelson C. Smith, 87, has had plenty of water pass under his keel. And observed many sharks off his bow. The retired Edgartown charter fishing captain, who has had many jobs on the waterfront, predicts an increase in shark sightings in Vineyard waters. As long as the seal population continues to rise around the Vineyard, Mr. Smith said he believes the seal’s worse predator, the great white shark, will also increase, as it seems to have done around Nantucket and certain areas of Cape Cod, according to recent reports. “More seals are showing up at Muskeget Channel.

In addition to local meat and produce, last Saturday’s farmers’ market in West Tisbury featured some healthy local competition between two well-known Vineyard chefs. In the third annual Seafood Throwdown sponsored by the Northwest Atlantic Marine Alliance and the Dukes County Fishermen’s Association, chefs Jo Maxwell of Chesca’s in Edgartown and Teddy Diggs of Home Port in Menemsha met stove-to-stove in a stormy cook-off.

The American eel is in trouble. So says James Prosek, author of a widely- respected book on eels. Last week Mr. Prosek told the Vineyard Gazette that he thinks, “absolutely,” that the American eel should be listed as endangered.