Plains Like Canary Basin
Iberian Abyssal Plain
Plain
3.94
Poor
Agulhas Plain
Plain
5.50
Mediocre
Central Pacific Basin
Plain
4.58
Poor
Brazil Basin
Plain
4.40
Poor
North American Basin
Plain
4.40
Poor
Bay of Bengal Abyssal Plain
Plain
4.21
Poor
Hatteras Abyssal Plain
Plain
4.16
Poor
Aleutian Basin
Plain
4.14
Poor
Sohm Abyssal Plain
Plain
4.12
Poor
Angola Basin
Plain
3.94
Poor
Tasman Abyssal Plain
Plain
3.94
Poor
Venezuela Basin
Plain
3.85
Poor
Cape Abyssal Plain
Plain
3.85
Poor
Graneledone boreopacifica
Octopus
8.91
Great
Red River Valley (North Dakota)
Plain
7.75
Good
Echinosigra phiale
Sea Urchin
7.21
Good
Tromikosoma hispidum
Sea Urchin
7.09
Good
Bathypolypus arcticus
Octopus
7.09
Good
Sperosoma giganteum
Sea Urchin
7.05
Good
Dumbo Octopus (Grimpoteuthis bathynectes)
Octopus
7.02
Good
Graneledone verrucosa
Octopus
6.89
Fair
Pourtalesia wandeli
Sea Urchin
6.83
Fair
Calveria hystrix
Sea Urchin
6.78
Fair
Tromikosoma pallidum
Sea Urchin
6.74
Fair
