Species Overview

Hymeniacidon actites (Ristau, 1978).

SPONGE:

Shape: Encrusting Amorphous
Size_Thickness: --2.7 cm
Consistency: Firm
Color_Alive: Bright yellow
Color_Preserved: White exterior and yellow or white interior

HABITAT:

Benthic Region: Marine: Intertidal to Subtidal
Depth: -- 5 m
Distribution: Central California to Northern California

Choanosome:

Architecture: Ectosomal skeleton supported by compact multispicular tracts or rests on interior spiculation. Interior spiculation confused

Ectosome:

Architecture: Tangential ectosomal skeleton of ill- defined layers of Styles forming multi-spicular tracts united into polygonal network

Surface:

Texture: Smooth
Contour: irregular

Oscula:

Density: Few
Distribution: often on slight mounds

Skeleton:

Composition: Silicate
Architecture: Ectosomal skeleton supported by compact multispicular tracts or rests on interior spiculation. Interior spiculation confused

Megasclere:

Shape: Styles -Smooth;gently curved
Length: 165 -- 220 µ
Width: 4.0 -- 8.0 µ