The seafloor of the Ligurian Sea is more than an expanse of sand. In fact, it often features traces of life-substrate interactions, such as these circular ‘craters’. What are they? They are feeding pits produced by fishes, almost identical to the trace fossil Piscichnus.
This shows that fishes have been looking for food into the substrate since many million years!
andrea: I am Andrea ‘Tracemaker’ Baucon. My research interests focus on palaeontology, with particular emphasis on the study of life-substrate interactions. In my research, I addressed three main questions: (1) What drives the distribution of burrows? (2) How do mass-extinctions modify burrowing behaviour? (3) Do life-substrate interactions exist beyond Earth? I tackled these questions using quantitative methods (fractal analysis, network theory, geostatistics) and analogy with modern life-substrate interactions (actuopalaeontology).
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