San Joaquin County Parks and Recreation and the Delta Fly Fishers will present The Catfish Derby on Saturday, June 1 at Oak Grove Regional Park in Stockton. Oak Grove’s 10-acre lake will open at 6:15 a.m. for the event. There is no registration fee for the event, however, a $5 fishing permit fee and valid CA. fishing license are required for those sixteen (16) years of age or over. The $6 vehicle-parking fee will also apply, as does all State Fish and Game laws. Participants must supply their own fishing equipment. Prizes will be awarded in all categories (youth and adult competitions) and participation is limited to one (1) type of competition. Registration closes at 10 a.m. and the last weigh-in is at 12:30 p.m. For more information, call (209) 331-2050.