41. And that is one problem with the intensive fishing of menhaden , which has escalated in recent decades. 42. In 2012 the Atlantic States Marine Fisheries Commission declared that the Atlantic menhaden was depleted due to overfishing. 43. The most common bait is a mixture of powdered clay and fish meal ( typically ground menhaden ). 44. By October, young menhaden , having also entered the pond via the opening, were their main forage. 45. So effective are they at straining the water that airplane pilots have reported improved clarity immediately behind menhaden schools. 46. Until 1900 the manufacture of menhaden oil, a fish derivative, was one of the primary industrial pursuits. 47. Atlantic menhaden are found in the North Atlantic coastal and estuarine waters from Nova Scotia south to northern Florida. 48. The ASMFC uses two biological measurements, or reference points, to measure the health of the menhaden stock. 49. With fresh bait being far superior to frozen, anglers may spend a considerable amount of time seeking menhaden schools. 50. On their trans-oceanic journeys, the tuna switch from a diet of oil-rich menhaden to squid.
