How to get all 441 different fish from just 4 in 5 generations

Start with just these 4 fish, you will only need 1 of each.

1. Silky Spotanus
2. Silky Shark
3. Twin-fin Spotanus
4. Twin-fin Shark

Species in 5 Generations

1. Spotanus+Shark=Goldbulb

2. Spotanus+Goldbulb=Carp
Shark+Goldbulb=Snooper

3. Carp+Spotanus=Pigmy
Carp+Shark=Fire-Arrow
Carp+Goldbulb= stickfish
Snooper+Shark=Arrowfish

4. Pigmy+Spotanus=Bananafish
Pigmy+Shark=Fruitfish
Pigmy+Goldbulb=Grouper
Pigmy+Carp=Beta
Pigmy+Snooper=Comet
Pigmy+Stickfish=Leafish
Pigmy+Arrowfish=Flashfish
Fire-Arrow+Shark=Snout
Fire-Arrow+Snooper=Goldshark
Fire-Arrow+Arrowfish=Fatfish
Arrowfish+shark=Catfish

5. Bananafish+Spotanus=quicksilver

Varieties in 5 generations

1. Silky+Twin-fin=Golden

2. Silky+golden=Snubbed
Twin-fin+Golden=Razorback

3. Silky+Snubbed=Hornet
Twin-fin+Snubbed=Spined
Golden+Snubbed=Canary
Tin-fin+Razorback=Greatsail

4. Silky+Hornet=Tiger
Twin-fin+Hornet=Crimson
Snubbed+Hornet=Fanned
Razorback+Hornet=Orange
Canary+Hornet=Pink
Greatsail+Hornet=Oriental
Silky+Spined=Wasp
Twin-fin+Spined=Greenfin
Razorback+Spined=Stubby
Greatsil+Spined=Speckled
Twin-fin+Greatsail=Flsgged

5. Flagged+Twin-fin=Finless


I have had a game where I did all this and so I know if you choose the parent fish right, it can be done just as up there.