Broodstock Essays

dolphin fish (Coryphaena hippurus) that is known to feed on immature cobia. Also, the shortfin mako sharks are known to feed on adult cobia. Reproduction and life history: Cobias are pelagic spawners. During spawning which takes place diurnally, cobia broodstock release eggs and sperm into offshore open water and/or in estuaries and shallow bays? Eggs are buoyant, spherical of (1.2 mm in diameter). Fertilized eggs float freely with water currents until hatching that takes place after 24-36 hours after fertilization

Fish & Wildlife The fish at Swartswood Lake are stocked by the Hackettstown Fish Hatchery. In the spring of 2007 Hackettstown Fish Hatchery set up nets at Neldon Brook which leads into Swartswood Lake. “The Hackettstown crew began their walleye broodstock collection season on April 2nd when they set one Pennsylvania and two South Dakota-style trap nets in Swartswood Lake near the mouth of Neldon Brook” (Lemon). Walleye fishing is very popular in New Jersey and are introduced in an environment to