George Mavrakis

George Mavrakis

@coralfish12g

Hi, I'm George! I make videos about aquariums! 🪸🐠 I started this adventure almost 20 years ago when I set up my first saltwater tank. My mission is to educate and inspire people getting into the aquarium hobby. -George coralfish@delkatalents.com

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Rogue Aquarists
Rogue Aquarists
Member · since 2026
Rogue Schoolers
Rogue Schoolers
Member · since 2026
Find Me Everywhere
YouTube
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Bought rare fish at expo @aquashella
YouTubeFeb 4, 2026
The monster fish swimming pool (in his house)
YouTubeFeb 1, 2026
Visiting every aquarium in the world! 🐠 #portugal
YouTubeJan 20, 2026
The world‘s most beautiful aquarium 🐟✨
YouTubeJan 16, 2026
Visiting every aquarium in America 🐠🇺🇸 #niagarafalls
YouTubeJan 6, 2026
Visiting every aquarium in America 🐠🇺🇸 #southcarolina
YouTubeOct 7, 2025
Inside Asia's *RICHEST* Exotic Pet Marketplace!! ... (Tour) $$$
YouTubeAug 27, 2025
Do you think this fish will survive? 😰
YouTubeMay 3, 2025
Top 10 most expensive koi fish 🐟💰
YouTubeApr 12, 2025
These tanks hold the rarest fish…
YouTubeApr 7, 2025
This fish is worth how much?! 😳
YouTubeApr 2, 2025
Inside the World's Largest Illegal Exotic Animal Market... (Tour)
YouTubeMar 28, 2025
George Mavrakis Live Stream
YouTubeMar 10, 2025
Private Tour of Asia Fish Farmer’s Secret Breeding Village
YouTubeMar 9, 2025
Adding 500x Clownfish to Anemone with BIG Clear Slide, This Happened...
YouTubeJan 4, 2025
Is this a good hobby?
YouTubeDec 2, 2024
Do yourself a favor and join the hobby…
YouTubeNov 30, 2024
Should you setup a saltwater aquarium?
YouTubeNov 29, 2024
Why these fish are in danger
YouTubeNov 8, 2024
Nemo fish has lucky fin
YouTubeNov 5, 2024
Crazy fish inside Korea aquarium
YouTubeOct 22, 2024
KOREA FISH STORE TOUR! ...(Part 2)
YouTubeOct 16, 2024
KOREA FISH STORE TOUR!
YouTubeAug 17, 2024
America’s Largest aquarium expo
YouTubeJul 31, 2024
The Worlds Most Famous Clownfish!
YouTubeJul 14, 2024
I got knocked out cleaning my fish pond 😂🧼
YouTubeJun 14, 2024
Krabby & Patty! Get an anemone! 🪸
YouTubeJun 10, 2024
Krabby & Patty! My new pet fish! 🤩⭐️🐠
YouTubeMay 22, 2024
Inside this box contains a rare fish…
YouTubeMay 18, 2024
I found baby axolotls...
YouTubeMay 9, 2024
Read (3)
The End of the Water Change Cycle: Why True Stewardship Means Going Aquaponic
Techniques
The End of the Water Change Cycle: Why True Stewardship Means Going Aquaponic

We all know the pain of the nitrate spike. If you're tired of weekly water changes, it's time to look at truly closed-loop, self-sustaining systems.

George Mavrakis
George Mavrakis
Rogue Aquarists
4 min
0 0 0about 2 hours ago
More Than Just Depth: Finding the 'Deep Dive' in Your Training
Stories
More Than Just Depth: Finding the 'Deep Dive' in Your Training

Whether you're tackling the end of a grueling season or starting a new playbook, true mastery requires understanding the depth of your own capabilities.

George Mavrakis
George Mavrakis
Rogue Athletes
4 min
0 0 0about 2 hours ago
The Science of Selection: From Million-Dollar Koi to Sustainable Aquaponics
Science
The Science of Selection: From Million-Dollar Koi to Sustainable Aquaponics

We all know the dread of the water change. Dive deep into the history and science of selective breeding, whether it's for prize-winning Koi or your next planted tank.

George Mavrakis
George Mavrakis
Rogue Aquarists
4 min
0 0 0about 2 hours ago
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