Chimney Sponge

Chimney Sponge
Rhabdocalyptus dawsoni
Name: Boot Sponge
To 5′ (1.5m) high, 3′ (1m) diameter
Alaska to Southern California
Habitat: Hanging on rock walls or standing on rocks
Large, long tube. Lip of osculum is thin and sharp-edged. Body bristles trap sediments
Shelters rockfish, shrimp and a variety of other organisms. Generally shallower than Strauroclyptus dawling

Cloud Sponge

Diver exploring a cloud sponge
Diver exploring a cloud sponge
Cloud Sponge
Aphrocallistes vastus
Size: To 10′ (3m) diameter
Range: Bering Sea to Mexico
Habitat: Typically in inlets, 80′ (25m) and deeper
Description: Massive erect branching tubular , convoluted or cloud-like growths on rock walls, White to Orange
Comments: Cavities host a variety of other animals, juvenile rockfish, crabs and various shrimp. Has a fast growth rate but may be very old – some suggest hundreds of years old.

Glove Sponge

Glove Sponge
Neoesperiopsis digitata
Size: To 12′ (30 cm) high
Range: Bering Sea to BC
Habitat: On rocks in current swept areas
Description: Clump of finger-like branches, flexible in strong current. Off white to yellow
Comments: The glove sponge is also found in Japan. There are different forms and colours in the field, and there may be several species involved here.

Orange Finger Sponge

Orange Finger Sponge
Neoesperiopsis rigida
Size: To 8′ (20 cm) high
Range: Southeast Alaska to BC
Habitat: Interditidal and shallow subtidal, on rocks
Description: Flexible, erect finger-like branches. Orange to yellow.
Comments: Often eaten by the leopard droid. Usually in a smaller mass and found in more protected waters than the glove sponge.

Trumpet Sponge

Trumpet Sponge
Stylissa stipitata
Size: To 10′ (25 cm) high
Range: Southeast Alaska to Washington
Habitat: Subtidal in current-swept areas
Description: Strong, flexible stalk, trumpet-shaped growths. Cream-yellow
Comments: Often eaten by the Monterey sea lemon

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