By Bob Goemans
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Family Axinellidae

Axinella polypoides

Schmidt, 1868

Yellow/Orange Branching Sponge

Not Reef Tank Suitable

Not Suitable for Fish-Only Tank

Range: Northern Atlantic Ocean: Mediterranean.

Natural Environment: Inhabits rubble and rocky shelf areas in caves and under overhangs where currents are strong.

Aquarium Suitability: Not collected for the home tropical aquarium trade.

Best left in the wild.


    Kingdom: Animalia

    Phylum: Porifera

    Class: Demospongiae

    Subclass: Heteroscleromorpha

    Order: Axinellida

    Family: Axinellidae

    Genus: Axinella

FYI: Shown here for identification only.

Has a temperature range of 50 - 68ºF (10 - 20ºC).

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!

 Axinella polypoides (Yellow/Orange Branching Sponge)
Photo © Wikimedia
Axinella flustra Axinella verrucosa
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