00:00Count 28 days from mating and you'll know exactly when she'll give birth.
00:04This formula most owners repeat is largely wrong,
00:07because a guppy's actual gestation period ranges between 21 and 35 days, not a fixed number.
00:14Water temperature is the most important factor controlling gestation length.
00:18At a higher temperature close to 28 degrees Celsius, the pregnancy shortens,
00:23dropping to around 21 to 24 days.
00:26At a colder temperature close to 22 degrees Celsius, it can sometimes stretch beyond 30 days.
00:32And here's the myth that needs to be busted.
00:35Relying on counting days alone is inaccurate, because environmental stress,
00:41like a tank change or the presence of predatory fish,
00:44can delay birth by several full days even after the count is done.
00:48The actually more accurate indicator is behavior.
00:51The female starts isolating herself in a quiet corner and stops eating
00:55just a few hours before giving birth.
00:57Watch the dark spot near the anal fin, the gravid spot, when it becomes roughly square-shaped instead of round.
01:04Birth usually happens within the next 24 to 48 hours.
01:09Prepare a densely planted breeding-slash-isolation tank at least two days before this stage.
01:15So instead of relying only on a day counter, watch the shape of the spot and the female's behavior.
01:21Which indicator do you rely on more, day counting, or the shape of the spot?
01:25When we hören the Ciao-to- быстро-sciety-slation tank at least two days later.
01:26If you'll see it very soon, you'll see the date.
01:26It's the next time I think one of the last few days.
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