Student Project Figures Figure 23 This specimen was treated with DAPI tested for fluorescence under a UV microscope. No fluorescent signal was observed. Main features: A) the pneumatophore; displaying grooves where the muscle fibers can contract to change the shape of the float, B) the gonophores and C) the dactylozooids (on the tentacle). Scale bar = 5000 um. Figure 22 Figure 23 Figure 24 Figure 25 Figure 26