Every month, a guide will be available on our Animal Crossing: New Horizons portal to find the insects and fish available during the current month. A complete list of insects is also available, but you will find below all the critters that you can catch in April.
Insects of the month of March for the northern hemisphere

On rotten turnips
Time : All day
Price : 60 bells
Rarity : Rare
Available all year round

On the beach, in the shape of a shell.
Time : 7 p.m. - 8 a.m.
Price : 1000 bells
Rarity : Rare
Available all year round

On the lights at night
Time : 7 p.m. - 4 a.m.
Price : 60 bells
Rarity : Common
Available all year round

Shake a tree
Time : All day
Price : 600 bells
Rarity : Common
Available all year round

In the sky
Time : All day
Price : 1000 bells
Rarity : rare
Available all year round

In the trees
Time : All day
Price : 2500 bells
Rarity : Rare
Available all year round

On tree stumps
Time : All day
Price : 350 bells
Rarity : Common
Available all year round

On the rocks when it rains
Time : All day (rain)
Price : 250 bells
Rarity : Common
Available all year round

On the black rocks by the water
Time : All day
Price : 200 bells
Rarity : Very rare
Available all year round

Time : 04h - 19h
Price : 160 bells
Rarity : Common

Tapping on a rock
Time : 4 p.m. - 11 p.m.
Price : 430 bells
Rarity : Rare

In the sky or on the flowers
Time : 04h - 19h
Price : 160 bells
Rarity : Common

In the sky or on the flowers
Period : March - June
Time : 04h - 19h
Price : 2500 bells
Rarity : Rare

On the flowers or the sky
Time : 8 a.m. - 5 p.m.
Price : 100 bells
Rarity : Common

On the flowers
Time : 8 a.m. - 5 p.m.
Price : 200 bells
Rarity : Common

On the orange flowers
Time : 7 p.m. - 8 a.m.
Price : 1000 bells
Rarity : Common

On the flowers
Time : 8 a.m. - 5 p.m.
Price : 430 bells
Rarity : Common

On the white flowers
Time : 8 a.m. - 5 p.m.
Price : 2400 bells
Rarity : Rare

Tap on a rock
Time : All day / 7 p.m. - 4 a.m. (July - August)
Price : 250 bells
Rarity : Common

On the flowers
Time : All day
Price : 120 bells
Rarity : Very rare

Time : 7 p.m. - 4 a.m.
Price : 8000 bells
Rarity : Rare
Last month of onset

On the ground
Time : 8 a.m. - 7 p.m. / 4 a.m. - 5 p.m. (October)
Price : 1500 bells
Rarity : Rare

Sky and flowers
Time : 04h - 19h
Price : 160 bells
Rarity : Rare

Underground
Time : All day
Price : 500 bells
Rarity : Common

In the sky
Time : 8 a.m. - 5 p.m.
Price : 3000 bells
Rarity : Rare

On the trees
Time : 7 p.m. - 4 a.m.
Price : 3000 bells
Rarity : Rare

In the sky
Time : 8 a.m. - 4 p.m.
Price : 2500 bells
Rarity : Rare

In the sky
Time : 04h - 19h
Price : 300 bells
Rarity : Common

In the sky
Time : 8 a.m. - 5 p.m.
Price : 2500 bells
Rarity : Rare

In the sky
Time : 8 a.m. - 5 p.m.
Price : 230 bells
Rarity : Common

On the inhabitants
Time : All day
Price : 70 bells
Rarity : Common

On water surfaces
Time : 7 p.m. - 8 a.m.
Price : 2000 bells
Rarity : Rare

On the ground
Time : 8 a.m. - 7 p.m.
Price : 200 bells
Rarity : Common

On tree stumps
Time : All day
Price : 2400 bells
Rarity : Common
Happy hunting everyone!