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VM244: Diagnostic Methods for the Comprehensive Health Assessment of the Long-Spined Sea Urchin, Diadema antillarum

Figure 5. Diadema antillarum held in flow-through tanks at the FWRI research laboratory in Marathon, FL. These animals were firmly attached to the substrate and actively sought shelter. This is normal behavior.

Credit: R. Francis-Floyd, UF/IFAS