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Orange-red Encrusting Sponge

Crambe crambe

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42.5854, 18.2175

Field Notes

Description:

A crust like orange-red sponge, taking a form of smooth and relatively thin coating plate, usually covering the substrate underneath. The size of colonies varies quite a lot, those that I've seen this summer were up to 50cm on the largest side.

Habitat:

A very common sponge of Adriatic, and a very common dweller of rocky bottoms in Adriatic. Here, observed regularly very close to shores, on a popular beaches in a village of Dubrovnik riviera (Cavtat), sharing the space with other common sponges (pics N° 2 and 3, with Bath sponge, Spongia officinalis). The depth in this zone is between 0,5m up to 3m, and then descending sharply down to 10m. The sea bottom here is rocky, creating many crevasses and tunnels, and rocks are abundantly covered in algae. In those deeper waters, there are some large colonies of sea grass.

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