Niphates digitalis (pink vase sponges) (Bahamas)

Niphates digitalis (Lamarck, 1814) - pink vase sponges in the Bahamas. (photo provided by Miranda Manross)

Sponges are sessile, benthic, filter-feeding organisms. They are not metazoan animals, as they lack organs or tissues - they are called parazoans. Sponges are essentially colonies of cells (the cells can live independently for short periods of time). Most sponges are marine, but some occupy freshwater environments.

Sponges construct organic or mineralized, multi-element skeletons. Individual pieces of a sponge skeleton are called spicules. The group first appears in the fossil record in the Neoproterozoic and extends to today, in the Holocene. Some sponges make skeletons composed of opal spicules (SiO2·nH2O - hydrous silica), while others are calcareous (calcite or aragonite) or make spicules of organic material (spongin - a tough, proteinaceous, organic compound).

Classification: Animalia, Porifera, Demospongia, Haplosclerida, Niphatidae
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See info. at:
en.wikipedia.org/wiki/Niphates_digitalis

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Taken on: June 16, 2014

Tags:

Niphates

digitalis

vase

sponge

sponges

Bahamas

Porifera « less

Sets appears in: • Sponges (Modern)

Stats: 377 views

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