Echinoderms: Stelleroids
Brittle Stars and Basket Stars
Ophiuroidea
Phylum: Echinodermata
Class: Ophiuroidea
Order: Ophiurida
Family: Ophiocomidae
Genus: Ophiopsila
Species: Riisei
Live in all marine habitats fringing from coastal tides to deep oceans.
Millions of them may carpet the seafloor in layers up to an inch thick, live from the shoreline down to 6,755 feet.
They are preyed on by fish and crabs, and they feed on detritus and small organisms like plankton and small mollusks.
Sexually reproduce.
No habitat dangers to the Brittle stars.
Euryalina
Phylum: Echinodermata
Class: Ophiuroidea
Order: Ophiurida
Family: Gorgonocephalidae
Genus: Gorgonocephalus
Species: Eucnemis
Live in all marine habitats ranging from coastal tides to deep oceans.
Create tangled knots when threatened and are able to regrow lost limbs
They are preyed on by fish and crabs and they prey on plankton.
Sexually reproduce.
No habitat dangers to the Basket Stars.