Low Earning Fish
Hermit Cat lives for 6.5 months and drops a gift
Gray Snail lives for 6.5-7 months
Orange Snail lives for 5 months 2.5 weeks
Streamer lives for 5-6 months
Spikey lives for 4 months
Cuttlefish lives for TBA month
Jellyfish lives for TBA month and drops a gift
Rooster lives for 1 month 2.5 weeks
Grucken lives for 1 month 2.5 weeks
Flamingo Inhabitant lives for 1 month
Witch Doctor 1 month 2.5 weeks
Nautilus lives for TBA monthsMedium Earning Fish
Reindeer lives for 9 months
Zoey lives for 5 months 2 weeks
Piranha lives for 10 months 2 weeks
Aquarium Scooter Blenny lives for TBA month
Momo the Monkey lives for TBA months
Ninja lives for 9 months 1 week, drops a gift
Turtle lives for 1 year 2 daysHigh Earning Fish
Dolphin lives for TBA months
Prince Enki lives for 1 year
Princess Memphis lives for 1 year 7 months
Princess Lila lives for 1 year 7 months
Starfish Green lives for TBA months
Starfish Blue lives for TBA months
Starfish Red lives for TBA months
Mr. Pinchi lives for 4 months
Mr. Cooks lives for 4 months 4 days
Lightning Bug lives for 1 month 1.5 weeks 
Walker lives for 1 month 1.5 weeks
Landstrider lives for 1 month 2.5 weeks
Gnome Courier lives for 1-1.5 month
Gnome Major lives for 1-1.5 month
Gnome Inhabitant lives for 1-1.5 month
Submarine Ticket lives for TBA month
Labtech Jumper lives for 1 month 1.5 weeks
Labtech lives for 1 month 1.5 weeks
Watermeat lives for TBA month
Feathered Coatl lives for 1 month 1 week
Alpha Gram lives for 1.5-2 months
Laceback Galoshes lives for 1.5-2 months
Cathulu lives for TBA month
Gwee Horse lives for TBA month
Box lives for 1.5 month
Grunny Sub lives for 1.5 months and drops a gift
Blade Vase lives for 1 month 1.5 weeksMight Earning Something Fish
Goldfish lives for TBA month
Easter Egg lives for 1 month 1.5 weeks
Winter Snow Crystal lives for 1 month 1 week
Party Ball lives for 1.5 months*Please note, will be constantly updated
source: All-In-One Guide to Aquariums and Booty Grab (Apr 2020) 🌊
