O. hendleri
sp. nov.
|
O. panamense
|
O. pentacanthum
|
O. variegatum
|
Radial shields
|
covered by granules |
naked |
covered by granules |
covered by granules |
Base of the arms
|
covered by granules and scales |
covered by granules and scales |
covered by granules and scales |
covered by granules |
Arm-spines
|
up to 11; short and more or less robust |
up to 12; short and robust |
up to 6; large and thin, the ventral-most being much larger and robust |
up to 9; very large and thin |
Tentacle scales
|
adradial slightly larger than abradial |
adradial slightly larger than abradial |
adradial much larger than abradial |
adradial slightly larger than abradial |
Oral shields
|
broader than long, rounded triangular, with rounded obtuse proximal angle, straight distal edge, obtuse lateral angles |
broader than long, rounded triangular, with rounded obtuse proximal angle, straight distal edge, obtuse lateral angles |
broader than long, rounded triangular, with rounded obtuse proximal angle, straight distal edge, obtuse lateral angles |
longer than broad, oval, proximal margin rounded obtuse angled, distal edge convex, lateral margins straight |
Adoral shields
|
naked; equally long as broad |
covered by granules |
naked; longer than broad |
naked; longer than broad |
Genital slits
|
short and rounded; distally surrounded by granules and scales |
short and rounded; distally surrounded by granules and scales |
large and slender; distally surrounded by granules and scales |
short and rounded; distally surrounded only by scales |
Coloration
in vivo
|
disc dark brown mottled with small and white spots, ventral margin beige; arms with transverse white bands |
disc green, brown or grey mottled with red, orange or yellow, sometimes a central white spot; arms with transverse bands lighter and darker |
disc orange with dark brown blotches; arms with transverse brown bands |
disc olive-green with dark pink or red; arms with transverse olivegreen and dark pinkred bands |
Depth
|
intertidal – 37 m |
intertidal – 20 m |
102 – 183 m |
intertidal – 110 m |