by David Young | Jul 31, 2024 | Echinoderms
Red Sea Urchin By Victoria Cholak Common name:  Red Sea Urchin, Giant Red Urchin Scientific name: Mesocentrotus  franciscanus (formerly Strongylocentrotus franciscanus) Size range: Its test can be up to 17 cm (6½ inches) wide and its spines up to 7.6 cm (3 inches)...