Seven-armed Starfish Luidia ciliaris;
27 cm; at 20 m, August,
Island of Mljet, Kozarice, Tatinica Bay

Gray Lane Urchin (Cidaris cidaris);
12 cm; at 32 m, August,
Islands of Korčula, Cape Ražnjić

Stony Sea Urchin (Paracentrotus lividus);
8 cm; at 3 m, February,
Island of Susak, Cape Margarina

Red Comb-star (Astropecten aranciacus);
22 cm; at 13 m, May,
Lošinj, Krivica Bay

Pentagon (Peltaster placenta);
16 cm; at 26 m, October,
Island of Vis, Komiža, Cape Stupište

Violet Heart Urchin (Spatangus purpureus);
6 cm; at 51 m, August,
Island of Mljet, Crna Sika

Royal Cucumber (Stichopus regalis);
13 cm; at 54 m, August,
Island of Mljet, Crna Sika

Mediterranean Feather-star (Antedon mediterranea);
24 cm; at 10 m, May,
Island of Pašman, Ždrelac

Sertella septentrionalis;
16 cm; at 25 m, June,
Islands of Brijuni, Svjetionik

Sydnium sp.;
8 cm; at 21 m, August,
Island of Murter, Islet of Dražemanski