Species Overview

Neopetrosia problematicus (de Laubenfels, 1930).

SPONGE:

Shape: Massive to lobate
Size_height: --1 cm
Color_Alive: Pale drab; dull brown

HABITAT:

BenthicRegion: Marine: Subtidal
Depth: --15 m
Distribution: Central California and Northern California

Surface:

Texture: Superficially smooth

Oscula:

Shape: round
Rims: flush
Diameter: -2- mm

Ectosome:

Dermal membrane: fleshy with spicules strewn irregularly

Choanosome:

Architecture: Spicules in confusion

Skeleton:

Composition: Silicate
Architecture: Spicules in confusion

Megasclere:

Shape: Strongyles - Ends rounded to mucronate.
Length: 115 - -170 µ
Width: 6 -- 10 µ

Megasclere:

Shape: Oxeas
Length: 80 - -140 µ
Width: -2 - µ