David Fleetham / Sea cucumber (Holothuria pervicax) at night with Red boring sponge (Hamigera sp) in foreground. Hawaii.

Adrian Davies / Mould (Penicillin italicum) growing on a Satsuma (Citrus unshi)

Adrian Davies / Mould (Penicillin italicum) growing on a Satsuma (Citrus unshiu)

Georgette Douwma / Colonies of mould fungi cultivated from indoor air on beetroot.

Georgette Douwma / Colonies of mould fungi on beetroot cultivated from indoor air. The water droplets on the mould are part of the respiration process of the mould.The top of the mould is so hydrophobic that the water...

Georgette Douwma / Colonies of mould fungi on beetroot cultivated from indoor air. The water droplets on the mould are part of the respiration process of the mould.The top of the mould is so hydrophobic that the water...

Nigel Cattlin / Fruit rot (Penicillium expansum) spore masses of a storage rot on a decaying apple fruit

Nigel Cattlin / Post-harvest penicillium storage mould (Penicillium italicum) mycelium and rot on stored apple fruit

Nigel Cattlin / Fruit rot (Penicillium digitatum) a green penicillin mould development on supermarket netted Clementine (Citrus) fruits