
HEART RATE LOSS RATIO
When you first hatch your Ocean / Umino, the hunger and happy hearts will empty at different rates. Fill all hearts at hatch (4 meals + 4 snacks to do it quickly), and then check the stats menu at least every two minutes. You should see (ideally) all 4 hungry hearts empty before, or at the same time as the first happy heart empties.
STATS
HRL* and chance of getting to adult (assuming no successful bear attacks, and all illnesses immediately healed):

* Heart Rate Loss ratio (1st number - hungry hearts, 2nd number - happy hearts)
No time changing. Minimum snacks past baby stage.
GROWTH STAGES
 Baby Stage (Planktontchi):
 Baby Stage (Planktontchi):- HRL ratio should be 3:1, or greater (4:1 is better); otherwise reset
- no more than two shots to heal when sick; otherwise reset
- when you set the time for hatching, set it at X:51 (X - actual hour) to reduce the amount of time before teen evolution
 Toddler Stage (Kuragetchi):
 Toddler Stage (Kuragetchi):- it takes 49 hours (starting from the top of the coming hour) to evolve into a teen
- to get the bad care teen (Kingyotchi), ignore two discipline calls
Teen Stage:
 Otototchi (good care teen) takes 47 hours to evolve into an adult Otototchi (good care teen) takes 47 hours to evolve into an adult
 Kingyotchi (bad care teen) takes 30 hours to evolve into an adult (or 16 awake hours) Kingyotchi (bad care teen) takes 30 hours to evolve into an adult (or 16 awake hours)
Note: 4 illnesses at any stage with more than 6 hours left before evolution mean death.
Adults:
 Keropyontchi -> perfect care all the way Keropyontchi -> perfect care all the way
 Taiyakitchi -> slightly imperfect care of good teen, or perfect care of bad teen Taiyakitchi -> slightly imperfect care of good teen, or perfect care of bad teen
 Ashigyotchi -> bad teen + completely dirty water ~10 minutes before evolution Ashigyotchi -> bad teen + completely dirty water ~10 minutes before evolution
 Kujiratchi -> bad teen + feed snacks until weight is 99 ~10 minutes before evolution Kujiratchi -> bad teen + feed snacks until weight is 99 ~10 minutes before evolution
 Kaitchi -> bad teen + ignore as many discipline calls as possible + figure out when evolution will occur and make it so that 1 or less hearts are full at evolution Kaitchi -> bad teen + ignore as many discipline calls as possible + figure out when evolution will occur and make it so that 1 or less hearts are full at evolution
 NINGYOTCHI - Special Character
 NINGYOTCHI - Special Character- It takes 49 hours + 12 minutes for Kaitchi (clam) to evolve into Ningyotchi (mermaid)
- Path to Ningyotchi: Planktontchi -> Kuragetchi -> Kingyotchi -> Kaitchi -> Ningyotchi
- Once you have Kaitchi, take perfect care. Keep weight between 10-12, hearts full, no successful attacks, all discipline calls answered, etc.
SLEEP TIMES
 Planktontchi: N/A Planktontchi: N/A
 Kuragetchi: 7 pm - 9 am Kuragetchi: 7 pm - 9 am
 Ototochi: 9 pm - 9 am Ototochi: 9 pm - 9 am
 Kingyotchi: 8 pm - 10 am Kingyotchi: 8 pm - 10 am
 Keropyontchi: 9 pm - 8 am Keropyontchi: 9 pm - 8 am
 Taiyakitchi: 8 pm - 9 am Taiyakitchi: 8 pm - 9 am
 Ashigyotchi: 10 pm - 11 am Ashigyotchi: 10 pm - 11 am
 Kujiratchi: 8 pm - 9 am Kujiratchi: 8 pm - 9 am
 Kaitchi: 6 pm - 10 am Kaitchi: 6 pm - 10 am
 Ningyotchi: 8 pm - 9 am Ningyotchi: 8 pm - 9 am
GROWTH / CHARACTER CHART

* The care sheet was created by Angie Allison and Jackie Becker, and was posted here thanks to their kindness.
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