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Fingered Goblet Sponge

Heterochone calyx

Deep sea Fingered Goblet Sponge specimen

Image via Wikimedia Commons

Abyssal Stats

Depth

100–2,500 m (330–8,200 ft)

Size

Up to 60 cm (24 in)

Habitat

Hard Seafloor

Diet

Bacteria and organic particles

What they'd be sayin'

"I am a glass sponge with a skeleton made of silica, the same material as window glass."

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Deep Sea Profile

A deep-sea glass sponge that forms a stable, cup-shaped structure on rocky surfaces.

Frequently Asked Questions

Is it really made of glass?

Yes, its structural skeleton is made of biogenic silica, which is chemically similar to glass.

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