Another jetty pile sponge. Tentative genus suggestion.
Tridacna maxima
Mouth of pass, slope down to sand at about 35m.
Unusual pale blue colour.
Washed up from the storm yesterday
Port Hedland WA - Rock of Ages
Phylum Porifera
Class Demospongiae
Order Haplosclerida
FAM Chalinidae
Haliclona (Gellius) cymaeformis
(Esper, 1794)