Species Overview

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Iophon rayae (Bakus, 1966) .

Synonyms:
Hymedesanisochela rayae Bakus, 1966.

SPONGE:
Shape: Thin; encrusting; amorphous
Color_Alive: Cinnamon cinnamon-brown orange
Consistency: Soft; easily compressible
HABITAT:
Benthic Region: Marine: Intertidal; Subtidal; Deep water
Depth: -79- m
Distribution: Central to Northern California

CHARACTERS

Surface:
Texture: Surface smooth and mucoid
Oscula:
Density: abundant
Diameter: 67--500 Ám
Megasclere:
Shape: Subtylote-Strongyle-Tylostrongyle
Length: 109 -(141|158)- 186 Ám
Width: 3 -4 - 5 Ám
Megasclere:
Shape: Subtylostyle (may be absent)
Length: 174 -189 - 206 Ám
Skeleton:
Composition: Silicate
Architecture: Acanthostyles with heads embedded in basal spongin. Echinating tracts arise from here to surface. Surrounding tissue with loose megascleres and Anisochelae
Ectosome:
Dermal membrane: with bundles of diacts in horizontal clusters plus Anisochelae
Choanosome:
Architecture: Acanthostyles with heads embedded in basal spongin. Echinating tracts arise from here to surface. Surrounding tissue with loose megascleres and Anisochelae
Megasclere:
Shape: Acanthostyles
Length: 84 -(124|165)- 192 Ám
Width: 6 -(10|11)- 14 Ám
Megasclere:
Shape: Acanthostyles
Length: 149 -(174|209)- 265 Ám
Width: 6 - (10|11)- 14 Ám
Megasclere:
Shape: Subtylostyle
Length: 174 -189 - 206 Ám
Frequency: May be absent
Microsclere:
Shape: Palmate Anisochelae
Length: 5 -(15|18)- 24 Ám