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New Horizons​ has a total of 40 deep-sea creatures in all. In the Northern Hemisphere, 19 sea creatures can be caught in March, 5 of which are new in March and 1 will leave after March. In the Southern Hemisphere, 27 sea creatures can be caught in March, 5 of which are new and 8 will leave after March.



New Horizons critter lists
Fish
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAll
Bugs
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAll
Deep-sea creatures
JanuaryFebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecemberAll


Northern Hemisphere[]

Available in March[]

Name Image Price Shadow size Swimming speed Time
Seaweed 600 Large Stationary All day
Sea cucumber 500 Medium Very slow All day
Sea star 500 Small Very slow All day
Sea anemone 500 Large Stationary All day
Sea slug 600 Tiny Very slow All day
Pearl oyster 2,800 Small Medium All day
Scallop 1,200 Medium Slow All day
Whelk 1,000 Small Slow All day
Turban shell 1,000 Small Slow All day
Chambered nautilus 1,800 Medium Slow 4pm - 9am
Octopus 1,200 Medium Slow All day
Umbrella octopus 6,000 Small Quick long lunges All day
Firefly squid 1,400 Tiny Slow 9pm - 4am
Dungeness crab 1,900 Medium Medium All day
Snow crab 6,000 Large Fast All day
Red king crab 8,000 Large Very fast All day
Acorn barnacle 600 Tiny Stationary All day
Spider crab 12,000 Huge Quick All day
Mantis shrimp 2,500 Small Medium 4pm - 9am

New in March[]

Name Image Price Shadow size Swimming speed Time
Turban shell 1,000 Small Slow All day
Chambered nautilus 1,800 Medium Slow 4pm - 9am
Umbrella octopus 6,000 Small Quick long lunges All day
Firefly squid 1,400 Tiny Slow 9pm - 4am
Spider crab 12,000 Huge Quick All day

Leaving after March[]

Name Image Price Shadow size Swimming speed Time
Red king crab 8,000 Large Very fast All day

Southern Hemisphere[]

Available in March[]

Name Image Price Shadow Size Swimming speed Time
Sea grapes 900 Small Stationary All day
Sea star 500 Small Very slow All day
Sea urchin 1,700 Small Slow All day
Slate pencil urchin 2,000 Medium Medium 4pm - 9am
Sea anemone 500 Large Stationary All day
Moon jellyfish 600 Small Very slow All day
Sea slug 600 Tiny Very slow All day
Pearl oyster 2,800 Small Medium All day
Mussel 1,500 Small Slow All day
Oyster 2,000 Small Slow All day
Scallop 1,200 Medium Slow All day
Whelk 1,000 Small Slow All day
Turban shell 1,000 Small Slow All day
Abalone 2,000 Medium Medium 4pm - 9am
Gigas giant clam 15,000 Huge Very fast All day
Chambered nautilus 1,800 Medium Slow 4pm - 9am
Octopus 1,200 Medium Slow All day
Umbrella octopus 6,000 Small Quick long lunges All day
Gazami crab 2,200 Medium Medium All day
Acorn barnacle 600 Tiny Stationary All day
Tiger prawn 3,000 Small Medium 4pm - 9am
Sweet shrimp 1,400 Small Slow 4pm - 9am
Mantis shrimp 2,500 Small Medium 4pm - 9am
Giant isopod 12,000 Medium Very fast 9am - 4pm & 9pm - 4am
Horseshoe crab 2,500 Medium Medium 9pm - 4am
Spotted garden eel 1,100 Medium Slow 4am - 9pm
Flatworm 700 Tiny Slow short movement 4pm - 9am

New in March[]

Name Image Price Shadow size Swimming speed Time
Oyster 2,000 Small Slow All day
Turban shell 1,000 Small Slow All day
Chambered nautilus 1,800 Medium Slow 4pm - 9am
Umbrella octopus 6,000 Small Quick long lunges All day
Sweet shrimp 1,400 Small Slow 4pm - 9am

Leaving after March[]

Name Image Price Shadow size Swimming speed Time
Sea grapes 900 Small Stationary All day
Sea urchin 1,700 Small Slow All day
Slate pencil urchin 2,000 Medium Medium 4pm - 9am
Moon jellyfish 600 Small Very slow All day
Gigas giant clam 15,000 Huge Very fast All day
Tiger prawn 3,000 Small Medium 4pm - 9am
Horseshoe crab 2,500 Medium Medium 9pm - 4am
Flatworm 700 Tiny Slow short movement 4pm - 9am