How to DIY little woody style koi fish pond with 3-tier fountain filter system in your garden

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How to DIY little woody style koi fish pond with 3-tier fountain filter system in your garden

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How to breed Japanese Blue Grass Guppy – Part IV: Key points for picking a female Grass Guppy as parent fish

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As we discussed on Part II, usually we pick female grass guppy as parent fish, whether it is Blue Grass or Red Grass. We will talk about four key points.

Female and male grass guppies

1. Fish age

Usually, females mature in 3 and a half months. And they will hatch the first-round baby fishes in 4 and a half months. There will be about 40 baby fishes born in first-round, and we will get about 100 babies in second-round.

2. Size

The strong female with thick and short caudal peduncle will pass this excellent gene to offspring.

3. Dorsal fin

Continue reading How to breed Japanese Blue Grass Guppy – Part IV: Key points for picking a female Grass Guppy as parent fish