Clathrina clathrus

Clathrina clathrus

"Clathrina clathrus" is a species of calcareous sponge belonging to the family Clathrinidae. This yellow sponge, up to 10 cm in diameter, usually appears cushion-shaped at a distance. Close-up the sponge can be seen to consist of a tangled mass of tubes. Like "C. coriacea", the spicules are exclusively three-pointed "triactines".
Clathrina clathrus Seen in the Mitjana Islet between Benidorm and Altea, Alicante (Spain). Clathrina clathrus,Fall,Geotagged,Spain

Distribution

This is a shallow-water species found in the Mediterranean and on Atlantic coasts of Europe as far north as the British Isles.

References:

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Taxonomy
KingdomAnimalia
DivisionPorifera
ClassCalcarea
OrderClathrinida
FamilyClathrinidae
GenusClathrina
SpeciesC. clathrus
Photographed in
Spain
Italy