Species Overview

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Ailochroia thiona (de Laubenfels, 1930).

Synonyms:
Aplysina thiona (de Laubenfels, 1930).
Verongia thiona de Laubenfels, 1930).

SPONGE:
Shape: encrusting
Size_thickness: to 4 cm
Color_Alive: Bright yellow
Color_Dry: purple then black
Note: color changes on drying
HABITAT:
Benthic Region: Marine: Intertidal
Distribution: Southern California

CHARACTERS

Surface:
Texture: superficially smooth with irregular conules from 0.5 mm to 10 cm high
Spongin:
Type: Primary
Diameter: 45 -- 150 Ám
Core: Pith diameter 28 -- 110 Ám
Skeleton:
Composition: Spongin
Architecture: Spongin fibers anastomose to form a loose reticulation in a stiff jelly-like choanosome permeated by canals