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Newest articles
What are L-number catfishes?

What are L-number catfishes?

It is not so dreadfully long ago that lori?cariid catfishes were regarded as the poor relations of the aquarium hobby, and were maintained and tolerated in the community aquarium solely on account of their often bizarre appearance and their useful characteristics.

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Fish genetics

Fish genetics

Many of the most popular tropical aquarium fish kept today are more brightly colored than their wild relatives. Modern techniques have allowed the development of varieties to be taken to new extremes, with the first genetically modified fish now available.

Read more...

The popularity of fishkeeping

The popularity of fishkeeping

Although there is some archaeological evidence of fish-keeping dating back to Babylonian and Egyptian times, it is unclear when people started keeping fish for their aesthetic qualities, rather than as a source of food, but the activity certainly dates back well over a thousand years.

Read more...

Micronutrients for aquarium plants

Micronutrients for aquarium plants

These nutrients are required only in extremely small quantities and are often described as "trace elements." They play important roles in the biochemical processes that sustain life and are vital for good plant health.

Read more...

News
  • 2017.04.22 - There is a new Rainbowfish profile on the site.
  • 2017.04.08 - There is a new Labyrinth fish on the site.
  • 2017.03.25 - There is a new Cichlid profile on the site.
  • 2017.03.04 - There is a new catfish profile on the site.
  • 2017.02.04 - New characin profile on the site.
  • 2017.01.21 - There is a new fish profile in the Cichlid category.
  • 2017.01.07 - There is a new fish profile in the Cyprinids category.
  • 2016.12.03 - There is a new beautiful, but rare loach profile on the site.
  • 2016.11.26 - There is a new fish profile on the site.
  • 2016.11.13 - There is a new snail profile on the site.
  • 2016.10.30 - There is a new catfish profile on the site.
  • 2016.09.23 - There is a new fish profile in the Characin category.
  • 2016.09.03 - There is a new fish profile on the site: the Amazon Puffer.
  • 2016.07.30 - There is a new cichlid profile on the site.
  • 2016.07.17 - There is a new fish profile on the site.
  • 2016.07.02 - There is a new fish profile on the site: the Australian bonytongue.
  • 2016.06.18 - There is a new fish profile on the site: the Colombian Tetra.
  • 2016.06.05 - There is a new catfish profile on the site: Otocinclus cocama.
  • 2016.06.04 - There is a new catfish profile on the site: Leporacanthicus triactis.
  • 2016.05.14 - New fish in the Cyprinids category.
  • 2016.05.01 - There is a new Cichlid profile on the site.
  • 2016.04.23 - There is a new profile on the site: the Rainbow Shiner.
  • 2016.02.27 - There is a new Loach profile on the site.
  • 2016.02.06 - New catfish profile on the site.
  • 2016.01.23 - There is a new Cichlid profile on the site.
  • 2016.01.09 - There is a new aquarium plant profile on the site.
  • 2015.12.21 - There is a new Cyprinid profile on the site.
  • 2015.12.12 - There is a new Killifish profile on the site.
  • 2015.11.28 - There is a new catfish profile on the site: Leporacanthicus heterodon.
  • 2015.11.14 - There is a new Catfish profile on the site.
  • 2015.11.08 - There is a new rare, but beautiful puffer profile on the site.
  • 2015.10.31 - The profile of the One-lined Pencilfish has been uploaded.
  • 2015.10.17 - There is a new profile in the Catfish category.
  • 2015.10.10 - There is a new fish profile in the Livebearers category.
  • 2015.09.12 - There is a new Characin profile on the site.
  • 2015.08.29 - There is a new catfish profile on the site.
  • 2015.08.22 - There is a new Cichlid profile on the site.
  • 2015.08.15 - There is another beautiful Labyrinth fish profile on the site.
  • 2015.08.08 - There is a new shrimp profile on the site.
  • 2015.08.01 - There is a new Cyprinid profile on the site.
  • 2015.06.07 - There are 2 new characin profiles on the site.
  • 2015.06.06 - There is a new African catfish profile on the site.
  • 2015.05.31 - There is a new fish profile in the Characins category.
  • 2015.05.25 - There is a new beautiful cichlid profile on the site.
  • 2015.05.17 - There are 2 new fish profile in the Loaches category.
  • 2015.05.16 - There is a new article about the first warm blooded fish.
  • 2015.05.09 - There is a new Cyprinid profile on the site.
  • 2015.05.02 - There is a new profile in the Livebearers category.
  • 2015.04.26 - There is a new gourami profile in the Labyrinth fish category.
  • 2015.04.19 - There is a new Filter Shrimp profile on the site.
  • 2015.04.12 - There is a new Characin profile on the site.
  • 2015.04.04 - There are 3 new fish profiles in the Characin category.
  • 2015.03.28 - There is a new video and article about Oceanário de Lisboa and their new exhibiton by Takashi Amano. More pictures about the projekt in the gallery and on the Facebook site.
  • 2015.03.21 - There is a new South American catfish profile on the site.
  • 2015.03.14 - There is a new Pike Cichlid profile on the site.
  • 2015.03.07 - A quite rare, but very interesting new Characin profile is on the site.
  • 2015.02.21 - There is a new Moss profile on the site.
  • 2015.01.31 - There is a new fish profile on the site, that is for the expert aquarists: the Motoro Singray.
  • 2015.01.28 - There is a new rare, but impressive gourami profile on the site.
  • 2015.01.18 - New fish in the Cichlid category: the Demanson's Cichlid.
  • 2015.01.10 - There is a new, colorful rainbowfish profile on the site.
  • 2015.01.03 - I have uploaded the new year's first fish profile, a new characin.
  • 2014.12.28 - There is a new Corydoras profile on the site.
  • 2014.12.20 - There is a new Cichlid profile on the site.
  • 2014.12.06 - There is another new and colorful danio profile on the site.
  • 2014.11.22 - There is a new bichir profile on the site.
  • 2014.11.08 - There is a new Rainbowfish profile on the site.
  • 2014.10.18 - There is a new Labyrinth-fish profile on the site.
  • 2014.10.04 - There is a new Characin profile on the site.
  • 2014.09.27 - There is a new aquarium plant profile on the site.
  • 2014.09.14 - There is an update in the news category.
  • 2014.09.07 - There is another beautiful catfish profile on the site.
  • 2014.08.30 - There is another coldwater fish profile on the site.
  • 2014.08.23 - There is a new coldwater fish profile on the site.
  • 2014.08.09 - There is a new loach profile on the site.
  • 2014.07.13 - There is a new Cyprinid fish profile on the site.
  • 2014.06.28 - There is a new fish profile in Killifish category.
  • 2014.06.22 - There is a new interesting catfish profile on the site.
  • 2014.06.09 - There is a new, rare livebearer profile on the site.
  • 2014.05.31 - There is a new invertebrate profile on the site.
  • 2014.05.25 - There is a new fish profile in the Killifish category.
  • 2014.05.17 - There is a new Central American Cichlid profile on the site.
  • 2014.05.11 - There is a new Characin profile on the site.
  • 2014.04.26 - There are 2 new short articles on the site.
  • 2014.04.21 - There is a new aquatic plant profile on the site, and a lot of scientific names have been upadated.
  • 2014.04.06 - The second part of the Altum Angels video is available on the site.
  • 2014.03.29 - There is a new, fascinating betta profile on the site.
  • 2014.03.15 - There is another interesting cyprind profile on the site.
  • 2014.03.01 - There is a new catfish profile on the site.
  • 2014.02.16 - There is a new spiny eel profile on the site.
  • 2014.02.02 - There is a new aquarium plant profile on the site.
  • 2014.01.25 - There are 2 new Aulonocara profiles on the site.
  • 2014.01.18 - There is a new invertebrates profile on the site.
  • 2014.01.11 - There are 2 new fish profiles in the Livebearer category.
  • 2013.12.27 - There are 2 new fish profiles in the Loaches category.
  • 2013.12.21 - There is a new Characin profile on the site.
  • 2013.12.07 - There are 2 new videos and 2 new articles in the News from the World category.
  • 2013.12.01 - There is a new catfish profile on the site.
  • 2013.11.24 - There is a new Killifish profile on the site.
  • 2013.11.08 - There is a new Aquarium plant profile on the site.
  • 2013.11.03 - There is a new Labyrinth fish profile on the site.
  • 2013.10.19 - There is a new cichlid profile on the site.
  • 2013.10.05 - There is a new article about L-catfishes, how do they got their name.
  • 2013.09.21 - There is a new cyprinid profile on the site.
  • 2013.09.14 - There are two new short articles on the site.
  • 2013.09.08 - There is a new freshwater invertebrate profile on the site.
  • 2013.09.01 - There is a new Glossary page on the site in the top menu.
  • 2013.08.19 - There are new searching parameters on the left side search box.
  • 2013.08.05 - There is a new cyprinid profile on the site.
  • 2013.07.31 - There are 2 new catfish on the site.
  • 2013.07.20 - Update in short news category: First naturally fluorescent fish discovered!
  • 2013.06.29 - There are two new Loach profiles on the site.
  • 2013.06.17 - There are 2 new videos about biotope aquariums.
  • 2013.06.15 - There is a new Cyprinid profile on the site.
  • 2013.06.08 - There are 3 new Hemichromis profiles on the site.
  • 2013.05.18 - There is a new Pufferfish profile on the site.
  • 2013.05.11 - There is a new article about Glass catfish identification, and there is a new catfish profile on the site.
  • 2013.04.27 - There is a new Betta profile on the site, and an interesting article about the world's largest freshwater aquarium.
  • 2013.04.20 - There is an interesting news about Black pirahna.
  • 2013.04.06 - There is a new and rare cichlid profile on the site.
  • 2013.03.24 - There is a new, interesting catfish profile on the site.
  • 2013.03.17 - From today there will be interesting video and short news segment on the site.
  • 2013.03.09 - There is a new Characin pofile on the site.
  • 2013.03.02 - There is a new, interesting article about fish genetics on the site.
  • 2013.02.23 - There is an interesting new Goby on the site.
  • 2013.02.17 - There is a new article about fish keeping history.
  • 2013.02.09 - There are 2 new tiny, but beautiful Danio profiles on the site.
  • 2013.01.26 - There are 2 new Crayfish profiles on the site.
  • 2013.01.13 - There are 2 new Apistogramma profiles on the site.
  • 2012.12.23 - There is a new Synodontis profile on the site.
  • 2012.12.15 - There is a new interesting fish profile on the site.
  • 2012.12.02 - There is a new aquarium plant profile on the site.
  • 2012.11.25 - There is a new betta profile on the site.
  • 2012.11.18 - There are 2 new Aquarium plant profiles on the site.
  • 2012.11.10 - There is a new category: Freshwater invertebrates, and there is a new crayfish profile on the site.
  • 2012.10.27 - There are 2 new fishprofiles in the Loaches category.
  • 2012.10.13 - There are 2 new Characin profiles on the site.
  • 2012.09.30 - There are 2 new catfish profiles on the site.
  • 2012.09.21 - There are 2 new brackish fish profiles on the site.
  • 2012.09.09 - There are 2 new interesting fish profiles on the site.
  • 2012.09.01 - There is a new cichlid profile on the site.
  • 2012.08.25 - There is a new Danio profile on the site.
  • 2012.08.16 - There were some taxonomical changes among South Asian Barbs, so many fish have new scientific names.
  • 2012.07.28 - There is a new characin profile on the site.
  • 2012.07.21 - There are 2 new snakehead profiles on the site.
  • 2012.07.08 - There are 2 new Killifish profiles on the site.
  • 2012.06.23 - There are 2 new Synodontis profiles on the site.
  • 2012.06.16 - There is a new Cichlid profile on the site.
  • 2012.06.09 - There are 2 new Cyprind profiles on the site.
  • 2012.05.28 - There is a new advanced search module on the site, which can search among fish and plants by their water parameters.
  • 2012.05.26 - There are 2 new loach profiles on the site.
  • 2012.05.13 - There are 2 new Corydoras profiles on the site.
  • 2012.05.05 - There are 2 new, rare livebearer profiles on the site.
  • 2012.04.28 - There are 2 new fish in the Other fish category.
  • 2012.04.21 - There are 2 new Characin profiles on the site.
  • 2012.04.06 - There are 7 new labyrinth fish profiles on the site.
  • 2012.03.31 - There are 2 new Labyrith fish profiles on the site.
  • 2012.03.24 - There are 2 new catfish profiles on the site.
  • 2012.03.18 - There are three new brackish fish profiles on the site.
  • 2012.03.11 - There are 2 new livebearer profiles on the site.
  • 2012.03.10 - The site has a new design, hopefully everything is working fine.
  • 2012.03.04 - There are 2 new brackish fish profiles on the site.
  • 2012.02.19 - Another 2 new cichlid profiles have uploaded.
  • 2012.02.12 - There is a new characin profile on the site.
  • 2012.02.04 - There are 2 new killifish on the ste.
  • 2012.01.30 - Another cichlid profile has been uploaded.
  • 2012.01.29 - A new cichlid profile has been added to the site.
  • 2012.01.28 - There is a new article about aquarium plants.
  • 2012.01.22 - There is a new article on the site about aquarium plants macroelement need.
  • 2012.01.15 - There are 3 new aquarium plant profiles on the site.
  • 2012.01.06 - There are 2 new catfish profiles on the site.
  • 2011.12.26 - From today, after each fish and plant profile there is a list of "species require similar water parameters". These listed species however only need similar water parameters, and may not be kept together (further read is advisable)! I hope this feature will help to select the desirable fish for everyone.
  • 2011.12.21 - There is a new Loach profile on the site.
  • 2011.12.18 - There 3 new fish profiles on the site.
  • 2011.12.10 - There are 2 new Loach profile on the site.
  • 2011.11.26 - I have uploaded 2 new cichlid profiles to the site.
  • 2011.11.20 - There are 2 new Characin profiles on the site.
  • 2011.11.12 - There are 2 new catfish profiles on the site.
  • 2011.11.05 - There are 2 new aquatic plant profiles on the site.
  • 2011.10.29 - There is a new Rainbowfish on the site.
  • 2011.10.22 - There are 2 new fish profiles on the site.
  • 2011.10.07 - There are 3 new fish profiles on the site.
  • 2011.10.01 - There is a new Betta fish profile on the site.
  • 2011.09.28 - There are 2 new catfish profile on the site.
  • 2011.09.16 - There are 2 new cyprinds on the site.
  • 2011.09.10 - There are 2 new livebearers on the site.
  • 2011.09.04 - There are 3 new Corydoras profiles on the site.
  • 2011.09.03 - There is one new brackish fish on the site.
  • 2011.08.28 - There is a new catfish profile on the site.
  • 2011.08.25 - There is one new corydoras profile on the site.
  • 2011.08.03 - There is a new loach on the site, and the Gold nugget pleco's profile has been updated as this catfish finally has an official scientific name!
  • 2011.07.28 - There is a new catfish and a gourami profile on the site.
  • 2011.07.24 - There is a new rainbowfish profile on the site.
  • 2011.07.23 - There is an update on every fish profile page: after the latin name of the fish there is the discoverer, and the discovery date.
  • 2011.07.17 - I have finished with the verification and update of the site.
  • 2011.06.29 - I have verified and updated all the pictures on the site. And from now on everybody can "like" the site with Google +1 button under the menu. So if you like the page don't hesitate :)
  • 2011.06.24 - There are 2 new fish profiles at cichlid category.
  • 2011.06.12 - I have uploaded the 3. season of River monsters.
  • 2011.05.29 - There is a new cyprind on the site.
  • 2011.05.18 - There are 3 new fish profiles on the site.
  • 2011.05.16 - I have have finished with the revision of the latin names, and there are 2 new category: Killifish and Rainbowfish.
  • 2011.05.12 - I have updated the latin names almost in all category, and there is a new category: Loaches.
  • 2011.04.15 - There is a new catfish profile on the site.
  • 2011.04.09 - A new labyrinth fish has been uploaded.
  • 2011.04.04 - There is a new catfish profile on the site.
  • 2011.03.28 - A new Characin profile has been uploaded.
  • 2011.03.24 - I have uploaded 7 new wallpapers to the site.
  • 2011.03.10 - I have uploaded one new catfish profile.
  • 2011.03.03 - One new fish profile in the Cichlids category.
  • 2011.02.16 - One new catfish profile has been uploaded.
  • 2011.02.12 - A new rainbowfish profile has been uploaded.
  • 2011.01.28 - There are 2 new special catfish profiles on the site.
  • 2011.01.23 - There are 3 new cichlid profiles on the site.
  • 2011.01.22 - There are 2 new fish profiles in the Other fish category.
  • 2011.01.11 - Two new livebear fish profiles have been uploaded.
  • 2010.12.25 - There are 4 new catfish profiles on the site.
  • 2010.12.12 - Two new cichlid profiles from Lake Malawi have uploaded to the site.
  • 2010.12.06 - There are 2 new catfish profiles on the site.
  • 2010.11.27 - There is a new series on the Downloadable videos page: Jungle Hooks India.
  • 2010.11.13 - Two new african cichlid profiles have been uploaded.
  • 2010.11.01 - Five new catfish pofiles have been uploaded to the site.
  • 2010.10.17 - There are 3 new cichlid profiles on the site.
  • 2010.10.16 - I have uploaded two new fish profiles in the Other fish category.
  • 2010.10.03 - There are 2 new botia species among the Cyprinds.
  • 2010.09.26 - There are 4 new catfish profiles on the site.
  • 2010.09.19 - There are 3 new Geophagus cichlid profiles on the site.
  • 2010.09.04 - There are four new fish profiles in the Other fish category.
  • 2010.08.21 - Two new rainbowfish profiles have been uploaded to the other fish category.
  • 2010.08.17 - I have uploaded the 7 episodes of River Monsters Season 2. on the videos page. Good downloading!
  • 2010.07.31 - There are two new Cyprind profiles on the site.
  • 2010.07.28 - There is a new feature on the site: It is possible to filter the fishes by habitat on the iconic view.
  • 2010.07.27 - From this day there is a new field on each fish profile: Lifespan, and in the icon view there is a Habitat image, so it's easier to find out where the fish come from.
  • 2010.06.19 - There are 5 new fish profiles in the Other fish category
  • 2010.05.16 - Six new species has been added to the site in different categories.
  • 2010.04.23 - There are 2 new aquarium plant profiles on the site.
  • 2010.03.21 - Four new fish profiles have been added to the Other fish category.
  • 2010.02.27 - Three freshwater eel profiles in the Other fish category.
  • 2010.02.21 - Three new species in the Other fish category!
  • 2010.01.24 - One new kilifish profile uploaded.
  • 2010.01.06 - Six new downloadable wallpaper available, good download!
  • 2009.12.25 - Four new Corydoras profiles added to the site.
  • 2009.12.06 - Three new cichlid profiles have been uploaded.
  • 2009.10.23 - One new Aquarium plant profile has been uploaded to the site!
  • 2009.10.22 - A little upgrade has done at the aquarium plants page, from now on it's easyer to find the exact aquatic plant.
  • 2009.10.03 - Three new characins uploaded.
  • 2009.09.13 - There are 5 new fish under the Cyprinds category!
  • 2009.07.31 - Six new fish profile in the catfish category!
  • 2009.07.22 - Four new species in the cichlids category!
  • 2009.06.16 - Six new characin profiles have been uploaded!
  • 2009.06.09 - There are five new catfish profile on the site.
  • 2009.06.04 - There's a print button on every page below the content, so from now on everybody can easily print the pages.
  • 2009.05.27 - Huge update: 7 new species in the cichlid category!
  • 2009.05.12 - There are five new species in the characin category!
  • 2009.04.23 - There are 4 new apistogramma profiles in the cichlid category!
  • 2009.04.18 - There are 2 new cichlid profiles on the site!
  • 2009.04.07 - There are 2 new catfish profiles on the site.
  • 2009.04.04 - There is one new fish profile in livebearers and another one in labyrinth fishes.
  • 2009.03.31 - I have updated the characins section, there are 3 new characin prifiles!
  • 2009.03.28 - I have uploaded three new cichlid profiles!
  • 2009.03.27 - There is a new section in the upper menu: GAMES ! But, be careful it's addictive. Have fun!
  • 2009.03.05 - I have uploaded one new aquarium plant profile.
  • 2009.03.04 - I have uploaded a new section: Aquarium articles. There are 4 new articles inside. There will be more soon :)
  • 2009.02.28 - I have uploaded 4 new catfish profiles.
  • 2009.02.14 - I have uploaded 6 new wallpapers, will upload more as soon as I have a little time.
  • 2009.02.04 - Here comes a big update with 11 aquatic plant profiles. In the near future I will update the fish profiles, so check back often...
  • 2009.01.08 - Four new aquatic plant profiles updated!
  • 2009.01.05 - Happy new year to all of my readers! I've uploaded four new aquarium plant profiles.
  • 2008.12.18 - Six more aquarium plant profiles uploaded
  • 2008.12.16 - From now on every registered gallery member can rate the pictures, and can add comment to each picture!
  • 2008.12.04 - Nine new plant profiles uploaded!
  • 2008.11.24 - Six new aquatic plant profiles uploaded.
  • 2008.11.18 - I've uploaded five more new aquarium plant profiles.
  • 2008.11.12 - Finally I have some time, so I started to upload the aquatic plants section! First there's 7 new plant profiles, but the rest will come soon!
  • 2008.03.13 - There are 4 new fishes at livebearers.
  • 2008.01.04 - The site got a new design, and there will be more updates soon!
  • 2007.08.23 - The english translation of this site has started, so please check back often to see what's new!
All news
News form the World
Making of 'Forests Underwater' by Takashi Amano
The Art of the Planted Aquarium 2015

Onethird of freshwater fish species at risk from dam projects.

2016.03.26

One third of the world's freshwater fish species could be under threat if the go-ahead is given for hundreds of hydro-electric dams to be built in the Amazon, Congo and Mekong basins.

Read more...

Researchers find the first warm blooded fish

2015.05.16

The opah, also called the moonfish, internally generates heat through constant flapping of wing-like pectoral fins

Read more...

Oceanário de Lisboa presents 'Forests Underwater' by Takashi Amano

2015.03.28

Oceanário de Lisboa will open, on 22nd April of this year, the new temporary exhibition, 'Forests Underwater' by Takashi Amano.

Read more...

Tropical freshwater fish
There was a time when the keeping and study of exotic fish was the preserve of serious researchers closeted in their laboratories; today, it is an established and popular hobby. Dealerships and specialized sales areas in large stores are springing up everywhere, paralleling an explosion in the number of public aquariums and books or magazines devoted to the subject. More and more people of all ages are falling under the spell, enjoying permanent access to a part of the natural world that was formerly beyond their reach. There are almost as many kinds of hobbyists as there are types of fish: the semiprofessional, the "small" and the "modest" collector, the specialist. There are the fanatics, who spend every minute of their time and energy on their aquariums, while for others fishkeeping is just a passing fad. Enthusiasts include the young - and the not so young; those with scientific knowledge or mere novices; those actively working and the retired. Such an immensely varied following guarantees that the world of the aquarist is full of interest and color.