Solvin Zankl / Sargassum fish (Histrio histrio) in Broad-toothed gulfweed (Sargassum fluitans) Sargassum Community. Sargasso Sea, Bermuda

Solvin Zankl / Sargassumfish (Histrio histrio) swimming near Broad-toothed gulfweed (Sargassum fluitans) Sargassum Community. Sargasso Sea, Bermuda.

Jiri Lochman / Broad-toothed rat (Mastacomys fuscus), Franklin-Gordon Wild Rivers National Park, Tasmanian Wilderness UNESCO Natural World Heritage Site, Tasmania, Australia.

Solvin Zankl / Sargassumfish (Histrio histrio) swimming in Broad-toothed gulfweed (Sargassum fluitans) Sargassum Community. Sargasso Sea, Bermuda.

Dave Watts / Broad-toothed Mouse (Pseudomys fuscus) Tasmania, Australia

Jiri Lochman / Broad-toothed rat (Mastacomys fuscus) sitting, looking up, portrait, Franklin-Gordon Wild Rivers National Park, Tasmanian Wilderness UNESCO World Heritage Area, Tasmania, Australia.