Plains Like Aleutian Basin
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
Sohm Abyssal Plain
Plain
4.12
Poor
Iberian Abyssal Plain
Plain
3.94
Poor
Angola Basin
Plain
3.94
Poor
Tasman Abyssal Plain
Plain
3.94
Poor
Cape Abyssal Plain
Plain
3.85
Poor
Canary Basin
Plain
3.85
Poor
Venezuela Basin
Plain
3.85
Poor
Graneledone boreopacifica
Octopus
8.91
Great
Blackeyed Squid (Gonatus onyx)
Squid
8.35
Great
Robust Clubhook Squid (Onykia robusta)
Squid
8.05
Great
Red River Valley (North Dakota)
Plain
7.75
Good
Echinosigra phiale
Sea Urchin
7.21
Good
Pacific Bobtail Squid (Rossia pacifica)
Squid
7.10
Good
Bathypolypus arcticus
Octopus
7.09
Good
Tromikosoma hispidum
Sea Urchin
7.09
Good
Sperosoma giganteum
Sea Urchin
7.05
Good
Dumbo Octopus (Grimpoteuthis bathynectes)
Octopus
7.02
Good
Gonatus onyx
Squid
6.90
Fair
