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Biological supplies, FOSS and STC refill kits, Owl Pellets, life science and biology supplies. Thursday, March 28, 2024
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Preserved Invertebrates >> Sponges


Chalina (Finger Sponge)

Description Price SelectQuantity
Chalina (Finger Sponge) - Each (out of stock) $ 4.00
Chalina (Finger Sponge) 10+ - Each (out of stock) $ 3.00
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Grantia

Grantia

The sponges or poriferans (from the Greek poros "pore" and ferro "to bear") are animals of the phylum Porifera. They are primitive, sessile, mostly marine, water dwelling filter feeders that pump water through their bodies to filter out particles of food matter. Sponges are among the simplest of animals. With no true tissues (parazoa), they lack muscles, nerves, and internal organs. Their similarity to colonial choanoflagellates shows the probable evolutionary jump from unicellular to multicellular organisms.

This sponge demonstrates the sycon body plan in which the wall of the body has been folded into a series of internal and external canals.  Water enters the sponge through a series of incurrent canals and passes through internal pores called prosopyles into the radial canals, which are lined with flagellated collar cells known as choanocytes.  It is the action of these choanocytes that keeps water moving through the sponge.  From the radial canals, water then enters the central spongocoel through pores called apopyles to exit through a single opening called an osculum.

Description Price SelectQuantity
Grantia .75 in+ - Each $ 2.30
Grantia .75 in+(10+) - Each $ 2.20
Grantia 1.25 in+ -Each $ 3.20
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Spongilla

Spongilla is a genus of freshwater sponges in the family Spongillidae found in lakes and slow streams. Sponges of the genus Spongilla attach themselves to rocks and logs and filter the water for various small aquatic organisms such as protozoans, bacteria, and other free-floating pond life.
Description Price SelectQuantity
Spongilla 10/pk $ 12.00
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Niles Biological, Inc.
9298 Elder Creek Road
Sacramento, CA 95829
(916) 386-2665