Stone coral
Fig. 24: Just a stone coral in a bed of horn corals in shallow water. — Dunia Kecil, Wajil Batan, Rajat Empat, Indonesia, Nikon Coolpix 5400, Fischaugen-Vorsatz, March 15, 2005 — EXIF: E5400; Δt=1/91 s; f=24 mm; f/5.8; ISO 50; 2005-03-15 15:49:08