Saltcorner
By Bob Goemans
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Real Reef Rock 

Family Iotrochotidae

Iotrochota birotulata

(Higgin, 1877)

Green Finger Sponge

Likely Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Western Atlantic Ocean: Caribbean to Brazil.

Natural Environment: Inhabits shallow and fairly deep reef flats.

Aquarium Suitability: Not collected for the home aquarium trade.

Best left in the wild.

Taxonomy:

    Kingdom: Animalia

    Phylum: Porifera

    Class: Demospongiae

    Subclass: Heteroscleromorpha

    Order: Poecilosclerida

    Family: Iotrochotidae

    Genus: Iotrochota

FYI: Shown here for identification only.

Sponges posses no nervous, digestive or excretory systems, and feed by filtering suspended bacteria and fine detritus. Strong water movement is vital to almost all, not only for carrying food to these sessile creatures but also to carry waste/unused matter away. In fact, a sponge the size of a baseball can filter about fifty gallons of water per hour!

 Iotrochota birotulata (Green Finger Sponge)
Photo © Bob Fenner
Iophon laevistylus Ircinia campana
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