Ophioderma longicaudum (Smooth brittle star)
| Phylum: | Echinodermata |
| Class: | Ophiuroidea |
| Habitat: | Hard bottom |
| Size: | Disc 2-3 cm, arms up to 12 cm |
| Appearance: | Apparently smooth surface with short, close-fitting spines, 5 arms |
| Behaviour: | Nocturnal, omnivorous (also carrion and detritus) |
Ventral view; Photo: Müller