Figure 1. – A1 in The European catfish loves Asian clam soup

Figure 1. – A1: Deposited shells of Asian clams. A2: Clam dead soft tissues, without shell (black narrow). B: One catfish individual is coming nearer floating dead clams (black narrows); C1: Aggregation of European catfish individuals (white narrows) feeding on dead clams. C2: One catfish individual is swallowing one dead clam.