New Horizons has a total fish count of 80. In the northern hemisphere, 42 can be caught in October, of which 2 are new in October, and 10 will leave after October. In the southern hemisphere, 39 can be caught in October, of which 10 are new in October, and 3 will leave after October.
New Horizons critter lists
Northern hemisphere
Available in October
Name
Image
Price
Location
Shadow size
Time
Pale chub
200
River
Tiny
9am - 4pm
Crucian carp
160
River
Small
All day
Dace
240
River
Medium-small
4pm - 9am
Carp
300
Pond
Medium-large
All day
Koi
4,000
Pond
Medium-large
4pm - 9am
Goldfish
1,300
Pond
Tiny
All day
Pop-eyed goldfish
1,300
Pond
Tiny
9am - 4pm
Ranchu goldfish
4,500
Pond
Small
9am - 4pm
Snapping Turtle
5,000
River
Large
9pm - 4am
Freshwater goby
400
River
Small
4pm - 9am
Catfish
800
Pond
Medium-large
4pm - 9am
Bluegill
180
River
Small
9am - 4pm
Yellow perch
300
River
Medium-small
All day
Black bass
400
River
Medium-large
All day
Tilapia
800
River
Medium-small
All day
Pike
1,800
River
Large
All day
Cherry salmon
1,000
River (Clifftop) Pond
Medium-small
All day
Char
3,800
River (Clifftop) Pond
Medium-small
All day
Golden trout
15,000
River (Clifftop)
Medium-small
4pm - 9am
Mitten crab
2,000
River
Small
4pm - 9am
Guppy
1,300
River
Tiny
9am - 4pm
Angelfish
3,000
River
Small
4pm - 9am
Betta
2,500
River
Small
9am - 4pm
Neon tetra
500
River
Tiny
9am - 4pm
Rainbowfish
800
River
Tiny
9am - 4pm
Sturgeon
10,000
River (Mouth)
Huge
All day
Sea horse
1,100
Sea
Tiny
All day
Zebra turkeyfish
500
Sea
Medium-small
All day
Anchovy
200
Sea
Small
4am - 9pm
Horse mackerel
150
Sea
Small
All day
Barred knifejaw
5,000
Sea
Medium-small
All day
Sea bass
400
Sea
Large
All day
Red snapper
3,000
Sea
Medium-large
All day
Dab
300
Sea
Medium-small
All day
Olive flounder
800
Sea
Large
All day
Moray eel
2,000
Sea
Thin
All day
Ribbon eel
600
Sea
Thin
All day
Giant trevally
4,500
Pier
Large
All day
Mahi-mahi
6,000
Pier
Large
All day
Ray
3,000
Sea
Large
4am - 9pm
Barreleye
15,000
Sea
Small
9pm - 4am
Coelacanth
15,000
Sea (Raining)
Huge
All day
New in October
Name
Image
Price
Location
Shadow size
Time
Yellow perch
300
River
Medium-small
All day
Dab
300
Sea
Medium-small
All day
Leaving after October
Southern hemisphere
Available in October
Name
Image
Price
Location
Shadow size
Time
Pale chub
200
River
Tiny
9am - 4pm
Crucian carp
160
River
Small
All day
Dace
240
River
Medium-small
4pm - 9am
Carp
300
Pond
Medium-large
All day
Koi
4,000
Pond
Medium-large
4pm - 9am
Goldfish
1,300
Pond
Tiny
All day
Pop-eyed goldfish
1,300
Pond
Tiny
9am - 4pm
Ranchu goldfish
4,500
Pond
Small
9am - 4pm
Killifish
300
Pond
Tiny
All day
Crawfish
200
Pond
Small
All day
Snapping Turtle
5,000
River
Large
9pm - 4am
Tadpole
100
Pond
Tiny
All day
Freshwater goby
400
River
Small
4pm - 9am
Loach
400
River
Small
All day
Bluegill
180
River
Small
9am - 4pm
Black bass
400
River
Medium-large
All day
Cherry salmon
1,000
River (Clifftop) Pond
Medium-small
4pm - 9am
Char
3,800
River (Clifftop) Pond
Medium-small
4pm - 9am
Golden trout
15,000
River (Clifftop)
Medium-small
4pm - 9am
Guppy
1,300
River
Tiny
9am - 4pm
Neon tetra
500
River
Tiny
9am - 4pm
Sea horse
1,100
Sea
Tiny
All day
Clown fish
650
Sea
Tiny
All day
Surgeonfish
1,000
Sea
Small
All day
Butterfly fish
1,000
Sea
Small
All day
Zebra turkeyfish
500
Sea
Medium-small
All day
Anchovy
200
Sea
Small
4am - 9pm
Horse mackerel
150
Sea
Small
All day
Barred knifejaw
5,000
Sea
Medium-small
All day
Sea bass
400
Sea
Large
All day
Red snapper
3,000
Sea
Medium-large
All day
Dab
300
Sea
Medium-small
All day
Olive flounder
800
Sea
Large
All day
Squid
500
Sea
Medium-small
All day
Tuna
7,000
Pier
Huge
All day
Blue marlin
10,000
Pier
Huge
All day
Oarfish
9,000
Sea
Huge
All day
Barreleye
15,000
Sea
Small
9pm - 4am
Coelacanth
15,000
Sea (Raining)
Huge
All day
New in October
Leaving after October
Name
Image
Price
Location
Shadow size
Time
Dab
300
Sea
Medium-small
All day
Tuna
7,000
Pier
Huge
All day
Blue marlin
10,000
Pier
Huge
All day