So, there is a new food web dataset out that was put in Ecological Archives here, and I thought I would play with it. The food web is from Otago Harbour, an intertidal mudflat ecosystem in New Zealand. The web contains 180 nodes, with 1,924 links.
igraph, default layout plot
igraph, circle layout plot, nice
My funky little gggraph function plot
get the gggraph function, and make it better, here at Github