Heterochone calyx (Finger Goblet Sponge)

Finger Goblet Sponge
Above: Finger Goblet Sponge, Hecate Strait
(Photo: Dr Manfred Krautter)
"Heterochone calyx is funnel-shaped and grows up to 1.5m in height and 70cm in diameter. It has open-ended finger-like protrusions about 20 cm long and 5cm in diameter. The body wall can up be to 1cm thick. H.calyx is white to bright yellow in colour."