Species Overview

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KeyPics/cc137A.jpg

Tethya californiana (de Laubenfels, 1935).

Synonyms:
Tethya aurantia californiana de Laubenfels, 1932

SPONGE:
Shape: Globular or subglobular
Size_diameter: to 6 cm
Color_Alive: Red-orange or orange or yellow-green oryellow-ochre or gold
Consistency: Spongy and fragile
HABITAT:
Benthic Region: Intertidal to deep water
Distribution: Southern to Northern California

CHARACTERS

Surface:
Contour: warty with flattened mushroom-shaped elevations about 2 -4 mm wide and 1-2 mm high crowded over the surface
Note: Surface regosity varies with degree of sponge contraction
Skeleton:
Composition: Silicate
Architecture: fleshy with radiate fascicular tracts 250 - 800 mm thick
Oscula:
Visible: not evident
Ectosome:
Architecture: 2 layered cortex about 1 - 2 mm thick
Choanosome:
Architecture: fleshy with radiate fascicular tracts 250 - 800 mm thick
Megasclere:
Shape: Fusiform Strongyles (Anisostrongyles)
Length: 1.25--2.30 mm
Megasclere:
Shape: Fusiform Styles - Subtylostyles
Length: 500 -- 1800 Ám
Microsclere:
Shape: Oxyspherasters
Length: 30 -- 90 Ám
Microsclere:
Shape: Strongylospherasters
Diameter: 8 -- 25 Ám
Microsclere:
Shape: Tylasters
Length: - 27- Ám