Figure 4From: Diversity and abundance of photosynthetic sponges in temperate Western AustraliaRhodophyte symbiont. a) Rhodophyte autofluorescence (ra) in Mycale sp. 2 covering spongin fibres (sf), scale bar = 100 μm. b) TEM analysis of Mycale sp. 2 shows the rhodophytes occur inside spongin fibres (sf), scale bar = 1 μm.Back to article page