Invertebrates > Sea Urchins
The Deep-Sea Flask Urchin (Echinosigra phiale) is an astonishing irregular echinoid adapted to the crushing pressures and vast plains of the abyssal deep sea. Belonging to the family Pourtalesiidae, this surreal organism breaks completely free from the traditional...
Invertebrates > Sea Urchins
Concealed beneath the shimmering white carbonate sand flats of the tropical Caribbean, the Great Red Heart Urchin (Plagiobrissus grandis) is a magnificent and elusive giant of the echinoderm world. Ranking as the largest species of heart urchin found anywhere in the...
Invertebrates > Sea Urchins
Tucked deep beneath the freezing, crushing pressures of the North Atlantic and Arctic abyssal basins, the Abyssal Bottle Urchin (Pourtalesia miranda) is an eccentric marvel of deep-sea echinoderm evolution. Unlike the spherical, spine-bristling sea urchins typical of...
Invertebrates > Sea Urchins
The Purple Sea Urchin (Strongylocentrotus purpuratus) is an iconic echinoderm native to the rugged rocky coastlines and temperate kelp forests of the eastern Pacific. Famous for its brilliant violet-purple spines and spherical test, this resilient creature is both a...
