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Interesting facts from the world of aquariums and aquatic animals
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Forget about liters, here we count in cubic meters. Watch the construction of the 8,000l tank.
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Forget about liters, here we count in cubic meters. Watch the construction of the 8,000l tank.
Manfred Dietz
, 1 day ago
Most of us struggle for every centimeter on the shelf to place another tank. Harald Khaden took a different approach – he built 8,000 liters right in his house. How does one plan such a colossus, what must the floor support, and how does technology work in such a volume? Join us for a unique online lecture that will take place with Czech subtitles thanks to Zoom technology.
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Conversations Above the Surface: When Passion Meets Craft
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Conversations Above the Surface: When Passion Meets Craft
For Aquarist
, 10 days ago
The Czech aquarium school has always been among the world's elite. However, its success in the past did not rely on academic titles, but on incredible patience, precise observation, and the intuition of people who approached fish from completely different professions. In the latest installment of our series, we will take a look into history, where breeding practices were passed on personally and where scientific Latin was the only way to communicate with the world.
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Apistogramma macmasteri: Complete Guide to Breeding
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Apistogramma macmasteri: Complete Guide to Breeding
McMaster's Cichlid (Apistogramma macmasteri) is among the mainstays of aquariums due to its robustness and beautiful coloration; however, its breeding and rearing conceal many specifics. This fascinating inhabitant of Colombian and Venezuelan waters requires specific water parameters and a sensitive approach to creating a harmonious harem. In this article, we will look at how to create the ideal home for the fish, why the quality of live food is the key to success, and how to avoid common mistakes that can lead to species misidentification or health issues.
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The most common mistakes in fish treatment: Ivo Barteček advises what (not) to do when a disease appears in the aquarium
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The most common mistakes in fish treatment: Ivo Barteček advises what (not) to do when a disease appears in the aquarium
For Aquarist
, 15 days ago
The treatment of aquarium fish is not just about adding a universal remedy to the water. It requires patience, accurate diagnosis, and knowledge of the ecosystem. Ivo Barteček, an expert with many years of experience, discusses in this guide the most common mistakes made by beginners and advanced aquarists alike, and shows that the path to a healthy aquarium goes through prevention and a proper understanding of biological processes.
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Conversations Above the Surface: The Czech School of Aquaristics - Ancient Tricks for Modern Tanks
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Conversations Above the Surface: The Czech School of Aquaristics - Ancient Tricks for Modern Tanks
For Aquarist
, 22 days ago
Can a simple banana peel ensure the survival of fry, and what is the secret to the success of Czech peat extracts? In this article, we bridge biological theory with decades of breeding practice. From the physiology of labyrinth fish digestion to a tribute to the international legend Jarda Kadlec, we unveil methods often missing from modern guides. Discover the 'old school' tricks that still work in today's aquariums.
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Tanganjika: practical experiences of biologist Michael Näf in live broadcast
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Tanganjika: practical experiences of biologist Michael Näf in live broadcast
Manfred Dietz
, 27 days ago
What are the specific requirements of Tanganyika fish and what does their successful breeding involve? Join the online seminar of Michael Näf, which combines the scientific perspective of a biologist with the rich experience of a breeder. The lecture is supplemented with high-quality photographs and videos, while real-time subtitles are provided directly in the Zoom application for Czech viewers.

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AkvaTera České Budějovice 14.3.2026
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AkvaTera České Budějovice 14.3.2026
9 days ago

🐟 Invitation to the Aquaristics Fair in Třeboň: Fish,​ Plants,​ and Expertise
We warmly invite all aquaristics enthusiasts,​ from experienced breeders to newcomers,​ to the traditional Aquaristics Fair in Třeboň (Wittingau).​ Come by to enrich your aquariums,​ acquire equipment,​ or simply exchange ideas with experts.​

📍 When and Where?​
Date: Saturday,​ March 14,​ 2026

Location: Mensa of the Fisheries Vocational School (Střední škola rybářská)

Address: Táboritská 941,​ Třeboň,​ Czech Republic

🕒 Program
07:00 AM: Admission for sellers and setup

09:00 AM – 12:00 PM: Sales fair open to the public

Supervision: The event is under professional veterinary supervision (MVDr.​ J.​ Konrád).​

🌿 What to Expect?​
Look forward to a wide selection of ornamental fish,​ invertebrates,​ aquatic plants,​ as well as a rich offering of accessories and feed.​ An important aspect of the fair is also the focus on animal welfare.​

🎫 Admission
Adults: 50,​- CZK

Children up to 10 years: Free admission (accompanied by parents)

📢 Information for Sellers
Do you have offspring from your own breeding or plants to sell?​ Reserve your sales space in advance!

E-Mail: akvateracb@seznam.​cz

Tel.​: +420 605 714 634

The Aquaristics Association looks forward to your visit!

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Africa within reach: Aqua congress with Radim Blažek in Žďár nad Sázavou
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Africa within reach: Aqua congress with Radim Blažek in Žďár nad Sázavou
15 days ago

Aqua Congress in Žďár nad Sázavou
Organized by the Tetra Aquarists Association

Date: Saturday,​ April 18,​ 2026
Speaker: Radim Blažek,​ Ph.​D.​

Program of the day
10:00 – Meeting of the AKVA CZ associations

13:00 – Afternoon lecture with Radim Blažek

16:30 – Announcement of a rich tombola

19:00 – Party with dancing and free entertainment

Lecture topics:
1) Pitfalls of fish and their parasites research across Africa
Peek behind the scenes of scientific expeditions into the heart of the African continent.​
2) Cuckoos with fins
Unique feathered fish from Lake Tanganyika and their fascinating breeding strategies.​

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100 l low-maintenance aquarium
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100 l low-maintenance aquarium
25 days ago

Volume 100 l,​ lighting Diversa led expert white,​ filter JK Atman pump with biomolitan,​ plants of the genus predominantly Vallisneria,​ Rotala,​ Lugwidia,​ Echinodorus,​ Bleher's/​ocelot.​.​ no fertilization,​ no CO2.​.​ fish once Mikrogeophagus ramirezi,​ Loricaria catfish,​ various Ancistrus sp.​.​ the aquarium was in operation for 3.​5 years before it was discontinued.​.​ during the 3 years there were a few changes.​.​.​ I wanted to show a simple way without using CO2 or any fertilizers.​

DCG a Cichliden-Forum.de přejí krásné Vánoce a šťastný nový rok!
1 month ago

Přání k Vánocům a na konci roku

Drazí čeští akvaristé,​

rok 2025 se chýlí ke konci.​ Byl v mnoha ohledech jiný a náročnější,​ než jsme na začátku doufali.​ O to více nás těší,​ že se v tomto roce navázal velmi dobrý kontakt s vámi.​ Považujeme to za výjimečně pozitivní a cenný vývoj.​

Jménem Cichliden-Forum.​de,​ DCG e.​V.​ a VDA AK-Fischkrankheiten vám srdečně děkujeme za konstruktivní a důvěryhodnou spolupráci.​ Velmi se těšíme na její pokračování i v příštím roce.​

Rádi bychom také nezapomněli zmínit,​ že velké nasazení,​ mnoho nápadů a úsilí všech zúčastněných si zaslouží zvláštní pochvalu.​ Bez vašeho osobního přínosu by toto slibné partnerství nebylo možné.​

Děkujeme všem českým akvaristům a mnoha dobrovolným pomocníkům za váš přínos v končícím roce 2025.​ Každý z vás se osobním nasazením podílel na zahájení a dalším rozvoji naší společné spolupráce.​

Jsme pevně přesvědčeni,​ že i v roce 2026 upevníme naši pozici v akvaristice a naši započatou spolupráci určitě ještě rozšíříme.​

Přejeme vám všem,​ vašim rodinám,​ blízkým a přátelům poklidné adventní období,​ veselé Vánoce a šťastný start do nového roku!

Ať vám přinese pár klidných dnů – čas na rozjímání,​ načerpání sil,​ být s rodinou a soustředit se na to podstatné.​

Tyto dobré přání vám posíláme s srdečnými pozdravy

Manfred Dietz
jménem Cichliden-Forum.​de,​ DCG e.​V.​ a VDA AK-Fischkrankheiten

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"Fish of the Pantanal" - Book/PDF about the fish world of the Pantanal in Brazil - free
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"Fish of the Pantanal" - Book/PDF about the fish world of the Pantanal in Brazil - free
1 month ago

The Pantanal (swamp area) is half the size of Germany and the largest contiguous swamp area in the world.​ It is mostly located in Brazil,​ with the remaining parts in Paraguay and Bolivia.​ Since the year 2000,​ the Pantanal has been a UNESCO World Heritage Site and is protected.​

It is home to numerous fish species,​ many of which are popular in aquaristics.​ The book about the fish of the Pantanal is unparalleled.​ Over 660 pages,​ the fish of this region are presented,​ with detailed text and an image that almost always shows the respective fish in live coloration.​ For each species,​ the morphological characteristics,​ live coloration,​ as well as information on occurrence,​ etymology,​ type locality,​ and economic significance are provided.​

In addition to the mostly excellent fish images,​ there are also some habitat photos.​ A large number of authors were involved in the development.​ The book is printed in Portuguese.​ However,​ with appropriate translation tools,​ this should not be a problem.​

NOTE: Portuguese text!

660 pages
PDF Digital
ISBN: 978 65-81066-05-5

Here is the link:
https:/​/​www.​cichliden-forum.​de/​Mittel-Suedamerika/​Montagem-livro-Peixes-VERSAO-FINAL-MARCO-2022-ISBN97865-81066-05-5-ONLINE_FINAL-1.​pdf

Best regards,​
Manfred

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Mexico's fish biotopes - two very interesting, informative, and free books!
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Mexico's fish biotopes - two very interesting, informative, and free books!
1 month ago

With the two volumes by Kai Qvist and Rune Evjeberg,​ you will receive extensive information and photos of freshwater biotopes and fish from the

rivers,​ lagoons,​ and cenotes of Mexico.​ The books are almost a must for those who are involved with Goodeidae,​ livebearers,​ cichlids,​ and
many other freshwater fish from Mexico or are interested in them.​
Volumes 1 and 2 of "A Selection of Freshwater Fish Biotopes in Mexico" include 337 and 241 pages and are packed with detailed information about
the biotopes,​ water parameters,​ history of the fish,​ local communities,​ and much more.​

Anyone with an account at https:/​/​de.​scribd.​com can download the two volumes there for free.​

Here is the link to it:
https:/​/​de.​scribd.​com/​document/​47090…-Mexico-v-2-pdf

Best regards,​ Manfred