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Figure 5


Fig. 5. Retinal vasculature of: (A) Pagothenia borchgrevinki, an Hb-expressing nototheniid (reproduced with permission from Eastman and Lannoo, 2004). (B) Chaenocephalus aceratus, a Hb-lacking icefish (J. Eastman and B. D. Sidell, unpublished). Lenses and vitreous bodies have been removed from the eyes to allow a clear view of the blood vessels. Yellow coloration is from perfusion and filling of the vasculature with MicrofilTM silicone rubber compound.