Abalone now
Medium
Medium
16–9 h
2,000
Acorn barnacle now
Stationary
Smallest
all day
600
Chambered nautilus now
Medium
Medium
16–9 h
1,800
Dungeness crab
Medium
Medium
all day
1,900
Firefly squid
Slow
Smallest
21–4 h
1,400
Flatworm now
Very slow
Smallest
16–9 h
700
Gazami crab now
Medium
Medium
all day
2,200
Giant isopod
Very fast
Medium
9–16 h · 21–4 h
12,000
Gigas giant clam now
Very fast
Largest
all day
15,000
Horseshoe crab
Medium
Medium
21–4 h
2,500
Lobster
Fast
Large
all day
4,500
Mantis shrimp now
Medium
Small
16–9 h
2,500
Moon jellyfish now
Very slow
Small
all day
600
Mussel now
Slow
Small
all day
1,500
Octopus now
Slow
Medium
all day
1,200
Oyster now
Slow
Small
all day
1,100
Pearl oyster now
Medium
Small
all day
2,800
Red king crab
Very fast
Large
all day
8,000
Scallop now
Slow
Medium
all day
1,200
Sea anemone now
Stationary
Large
all day
500
Sea cucumber
Very slow
Medium
all day
500
Sea grapes now
Stationary
Small
all day
900
Sea pig
Very fast
Small
16–9 h
10,000
Sea pineapple
Slow
Small
all day
1,500
Sea slug now
Very slow
Smallest
all day
600
Sea star now
Very slow
Small
all day
500
Sea urchin now
Slow
Small
all day
1,700
Seaweed
Stationary
Large
all day
600
Slate pencil urchin now
Medium
Medium
16–9 h
2,000
Snow crab
Fast
Large
all day
6,000
Spider crab
Very fast
Largest
all day
12,000
Spiny lobster
Fast
Large
21–4 h
5,000
Spotted garden eel now
Slow
Small
4–21 h
1,100
Sweet shrimp now
Slow
Small
16–9 h
1,400
Tiger prawn now
Medium
Small
16–9 h
3,000
Turban shell now
Slow
Small
all day
1,000
Umbrella octopus now
Fast
Small
all day
6,000
Vampire squid
Very fast
Medium
16–9 h
10,000
Venus' flower basket
Fast
Medium
all day
5,000
Whelk now
Slow
Small
all day
1,000
winter
spring
summer
autumn
not available