Species Overview

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KeyPics/cc012A.jpg

Rhizaxinella gadus (De Laubenfels, 1926).

Synonyms:
Suberites gadus de Laubenfels, 1926.

SPONGE:
Shape: Branched cylindrical stem with enlarged clavate terminations
Size_height: 30 cm
Size_diameter_lobes: 2 cm
Size_length_lobes: 10 cm
Color_Preserved: White
HABITAT:
Benthic Region: Marine: Subtidal
Distribution: Central California

CHARACTERS

Surface:
Texture: superficially smooth.
Oscula:
Rims: rimmed
Diameter: 1.5 -- 2.0 mm
Skeleton:
Composition: Silicate
Architecture: 1.5 to 2 mm thick;cartilaginous; bluish white. Densely packed with spicules perpendicular to surface -points outward. Stem brown central axis of dense longitudinal spicules.
Ectosome:
Architecture: 1.5 to 2 mm thick;cartilaginous; bluish white. Densely packed with spicules perpendicular to surface -points outward. Stem brown central axis of dense longitudinal spicules.
Choanosome:
Spicules: With few large spicules.
Megasclere:
Shape: Tylostyles]
Length: 200 -- 1320 m
Width: 10 -- 50 m