Hacelia attenuata (smooth starfish)
| Phylum: | Echinodermata | | Class: | Asteroidea | | Habitat: | Hard soil | | Occurrence: | Mediterranean and Atlantic At depths of 3 and 150 metres | | Size: | 20 to 30 cm in diameter | | Appearance: | Smooth and satinised yellow-orange to red surface with regular rows of limestone plates Small disc, five cylindrical or conical arms with pointed ends |
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Ventral view; Photo: Müller