All aspects of fisheries science and fish biology. Readers: 4500 (0.1%) {15%} Mesgs per month/day: 116/4 {21%} Crossposting: 7% {32%} Megs per month/day: 0.1/0.003 {19%} Sites reciving this Group: 45% Cost ratio ($US/month/rdr): 0.01