41. Rock coral on seamounts across the ocean are under fire from bottom trawling . 42. The primary dispute over trawling concerns the magnitude and duration of these impacts. 43. Orange roughy is fished almost exclusively by bottom trawling . 44. Bottom trawling can be contrasted with midwater trawling ( also known as rockfish. 45. Bottom trawling can be contrasted with midwater trawling ( also known as rockfish. 46. There is one working fishing boat based in Ardentinny, trawling for prawns. 47. It is caught mostly by trawling on the seabed. 48. This fish is used for human consumption and is caught mostly by trawling . 49. The most common technique for modern fishing, trawling , is severely damaging. 50. Being deeply scarred by the war, Arthur then joins a trawling company.