New Horizons has a total of 40 deep-sea creatures in all. In the Northern Hemisphere, 24 sea creatures can be caught in August, 1 of which is new in August and 2 will leave after August. In the Southern Hemisphere, 20 sea creatures can be caught in August, 0 of which are new in August and 3 will leave after August.
New Horizons critter lists
Northern hemisphere
Available in August
Name
Image
Price
Shadow size
Swimming pattern
Time
Sea grapes
900
Small
Stationary
All day
Sea star
500
Small
Slow short lunges
All day
Sea Urchin
1,700
Small
Slow consistent movement
All day
Slate pencil urchin
2,000
Medium
Medium consistent movement
4pm - 9am
Sea anemone
500
Large
Stationary
All day
Moon jellyfish
600
Small
Slow consistent movement
All day
Sea slug
600
Small
Slow consistent movement
All day
Pearl oyster
2,800
Medium
Moderate long lunges
All day
Mussel
1,500
Small
Slow consistent movement
All day
Scallop
1,200
Medium
Slow long lunges
All day
Whelk
1,000
Small
Slow consistent movement
All day
Abalone
2,000
Medium
Moderate consistent movement
4pm - 9am
Gigas giant clam
15,000
Large
Quick short lunges
All day
Octopus
1,200
Medium
Slow long lunges
All day
Flatworm
700
Tiny
Slow short movement
4pm - 9am
Vampire squid
10,000
Large
Quick long lunges
4pm - 9am
Gazami crab
2,200
Medium
Slow consistent movement
All day
Acorn barnacle
600
Small
Stationary
All day
Tiger prawn
3,000
Large
Moderate consistent movement
4pm - 9am
Mantis shrimp
2,500
Small
Quick short lunges
4pm - 9am
Giant isopod
12,000
Large
Quick long lunges
9am - 4pm & 9pm - 4am
Horseshoe crab
2,500
Medium
Quick short lunges
9pm - 4am
Sea pineapple
1,500
Small
Slow long lunges
All day
Spotted garden eel
1,100
Medium
Slow consistent movement
4am - 9pm
New in August
Name
Image
Price
Shadow size
Swimming pattern
Time
Flatworm
700
Tiny
Slow short movement
4pm - 9am
Leaving after August
Name
Image
Price
Shadow size
Swimming pattern
Time
Vampire squid
10,000
Large
Quick long lunges
4pm - 9am
Sea pineapple
1,500
Small
Slow long lunges
All day
Southern hemisphere
Available in August
Name
Image
Price
Shadow size
Swimming pattern
Time
Seaweed
600
Large
Stationary
All day
Sea cucumber
500
Medium
Slow consistent movement
All day
Sea pig
8,000
Small
Quick long lunges
4pm - 9am
Sea star
500
Small
Slow short lunges
All day
Sea anemone
500
Large
Stationary
All day
Sea slug
600
Small
Slow consistent movement
All day
Pearl oyster
2,800
Medium
Moderate long lunges
All day
Oyster
2,000
Small
Moderate short lunges
All day
Scallop
1,200
Medium
Slow long lunges
All day
Whelk
1,000
Small
Slow consistent movement
All day
Abalone
2,000
Medium
Moderate consistent movement
4pm - 9am
Octopus
1,200
Medium
Moderate long lunges
All day
Dungeness crab
1,900
Medium
Moderate consistent movement
All day
Snow crab
6,000
Large
Quick short lunges
All day
Red king crab
8,000
Large
Quick
All day
Acorn barnacle
600
Small
Stationary
All day
Sweet shrimp
1,400
Small
Slow
4pm - 9am
Mantis shrimp
2,500
Small
Quick short lunges
4pm - 9am
Venus' flower basket
5,000
Medium
Quick long lunges
All day
New in August
Name
Image
Price
Shadow size
Swimming pattern
Time
Leaving after August
Name
Image
Price
Shadow size
Swimming pattern
Time
Venus' flower basket
5,000
Medium
Quick long lunges
All day
Sweet shrimp
1,400
Small
Slow
4pm - 9am
Sea pig
8,000
Small
Quick long lunges
4pm - 9am