What kind of fish colors

Fish species

4 min 87

Amano shrimp (Caridina multidentata)

Some people would never get Amano shrimp in the aquarium, others cannot imagine a tank without shrimp. No matter how you face the filigree "crawling animals", it is certain that in the aquarium - just as in nature - they have important tasks to maintain the ecosystem.

8 min 202

Antenna catfish

The antenna catfish (Ancistrus) belongs to the family of the armor catfish or suckler catfish (Loricariidae) and is a robust and peaceful animal. It gets along very well with other fish species from the Amazon region. Nevertheless, you have to keep various things in mind when keeping the animals so that they feel comfortable.

4 min 25

Apple snails

Many aquarists are of the opinion that snails belong in a beautiful, natural aquarium just like fish and plants. The apple snails, which one might consider robust, however, need special care.

8 min 725


For a few years now, the Mexican salamander (Ambystoma mexicanum), called axolotl, which belongs to the group of cross-toothed newts, has been a real trend among domestic animals. Its friendly appearance and color make the animal a real eye-catcher for your own home. Keeping an axolotl is relatively easy. Here you can find out everything about the creature.

9 min 105

Black Molly

The deep black ornamental fish with a velvety sheen is extremely popular with both experienced aquarists and beginners. Thanks to its peaceful and robust nature, the pretty Black Molly is an asset to any aquarium. However, the heat-loving freshwater fish are sensitive to temperature fluctuations.

8 min 42

Clown fish

Two of the best-known species of the genus anemonefish (Amphiprion) are called clownfish: on the one hand, these are the real clownfish (Amphiprion percula) and on the other hand the false clownfish (Amphiprion ocellaris). In common parlance, the entire genus of anemonefish is often referred to as a clown fish. They are native to the western Pacific and Indian Oceans and are saltwater fish. They are not threatened with extinction.

6 min 33

Dalmatian Molly

There are also Dalmatians in the aquarium hobby - more precisely the Dalmatian Molly! The lively ornamental fish with the pretty silver-black pattern is a peaceful aquarium inhabitant who also gets along well with other fish. From keeping to the right food: Read more about the Dalmatian Molly - the brother of the well-known Black Molly.

12 min 626

The 10 most popular ornamental fish for your aquarium

The keeping of ornamental fish is becoming increasingly popular. No wonder, after all, the sight of the colorful underwater world in your own living room is not only fascinating, but also calming and relaxing in our otherwise hectic everyday life. But which fish are best for your own aquarium? We introduce you to the 10 most popular freshwater fish and their properties.

8 min 42

The 5 most popular saltwater fish

More and more people want an aquarium in their own four walls. This is due on the one hand to the calming effect of an aquarium and on the other hand to the breathtaking variety of colors that the underwater world has to offer.

8 min 13

Discus fish

As the name suggests, the discus fish have the shape of a round disc, a disc that comes along in iridescent colors. Originally from the South American Amazon region, they are now an eye catcher in every aquarium. The animals are kept in groups of usually five to eight animals, which may lead to higher costs.

7 min 71

Thorn eye

There is something fascinating about fish that look like small snakes. Among the loaches you can find some small, snake-like fish that are very easy to care for. The thorn eye is particularly well known.

6 min 30


The European crayfish (Astacus astacus) from the family of crayfish (Astacidae) is a native type of crayfish that originally lives in streams, rivers and lakes. Unfortunately, the noble crayfish is rarely found in the wild. In the garden pond you can offer this impressive crayfish an alternative habitat. Find out more about keeping and caring for crayfish in the garden pond.

7 min 52

Endler Guppy (Poecilia wingei)

Small but mighty! The Endler Guppy (Poecilia wingei) is one of the smallest members of the guppy family, but with its blaze of color it attracts everyone's attention in the aquarium. The adaptable and robust ornamental fish is also perfect for beginners in the aquarium hobby. You can find out why this is the case and what else you need to know about the correct keeping and care of the Endler Guppy in our guide.

8 min 175

Pea puffer fish (dwarf puffer fish)

The pea puffer fish, also called dwarf puffer fish or Indian puffer fish, is one of the smallest representatives of its species. In contrast to many other puffer fish, it is quite peaceful and, under certain conditions, can also be kept in a community aquarium. However, a regular supply of snails is essential for the voracious ornamental fish.

6 min 40


The threadfish are a popular animal in aquariums around the world and originally come from Asia. Their name comes from the conspicuous fin rays that lead far away from the body and perceive taste stimuli. In the aquarium hobby, the fish was already established in the 19th century and through various breeds it still provides real colored dots in the tank today.

7 min 16

Flowerhorn cichlids

Striking, unique and full of character: With its fascinating appearance, the Flowerhorn casts a spell over lovers all over the world. The farmed fish is particularly popular in Asia and the USA. We are also becoming increasingly interested in this spectacular cultivated form of cichlids. Find out more about the peculiarities and keeping of Flowerhorn cichlids.

3 min 31

Shrimp in the aquarium

Shrimp in the aquarium are becoming increasingly popular. No wonder, because with the variety of types, colors and sizes everyone will find the right thing for themselves and their aquarium.

6 min 13

Yellow sailfin doctor: the shining star in the aquarium

The yellow sailfin doctor should not be missing in any saltwater aquarium, because he is the shining star in every aquarium with his bright yellow scales. If you want more color in your home saltwater pool, this fish is for you. We have also collected important tips for you on how to keep and care for the popular Yellow Sailfin Doctor.

8 min 127


Keeping goldfish is considered simple and uncomplicated, but the typical goldfish bowl is not a suitable habitat for the small, attractive animals. Here you can find out what you should consider when keeping goldfish and what care the silent companions need.

8 min 182


Guppies are among the most popular fish for freshwater aquariums worldwide. They reproduce without problems even in captivity, are easy to care for and therefore well suited for beginners in the aquarium hobby. The guppy is colorful and doesn’t take small mistakes wrong. The active animals appear in diverse manifestations.

8 min 108

Fighting fish

Shimmering colorful and a bit aggressive towards other fish and their fellow fish. The fighting fish (Betta) is a special specimen that adds a splash of color to every aquarium. With low demands, the animal is very easy to care for and therefore popular with newcomers to the aquarium hobby.

7 min 52

Can you keep jellyfish in an aquarium?

Jellyfish are unusual pets, no question about it, but in the aquarium they have a magical, if not almost hypnotizing, effect. They are calming and not many aquarists own them. This is due to the fact that keeping jellyfish in aquariums is very complex, and for a long time was even considered almost impossible. Jellyfish are very sensitive creatures and need a very specific environment in order to feel comfortable. We explain the conditions under which you can keep jellyfish at home in your aquarium and what you have to watch out for.

8 min 1

Carp fish

The carp fish (Cyprinidae) form the largest family of bony fish (Osteichthyes) and vertebrates (Vertebrata). They have around 3,000 species and are found in North America, Europe, Asia, and Africa. Most of them live in fresh water, but there are a few exceptions that live in brackish water (e.g. Aland, bream or goat in the Baltic Sea). Both the carp as edible fish, as well as the goldfish or the koi carp as ornamental fish are among the most famous types of carp fish.

6 min 53

Harlequin harlequin

The harlequin harlequin is not only particularly beautiful to look at, but also very peace-loving and robust. Which is why it is an extremely recommendable fish even for beginners. We have put together important tips for you on keeping and caring for the popular harlequin harlequin.

7 min 35

Koi carp (Nishikigoi)

The Koi, an ornamental fish from the carp family (also called Nishikigoi), impresses with its intense colors - the breed shimmers in white, red, black, yellow, blue and cream. The meaning of the word Nishikigoi is brocade carp, which reflects the beauty of the colors. In Japan the fish stands for love and friendship and in China it symbolizes power and strength.

5 min 8

King Fairy Bass (Gramma Loreto)

Brightly colored and a touch of the Caribbean: With its attractive purple-yellow color, the king fairy perch (Gramma loreto) is one of the most beautiful saltwater fish for the home aquarium. For this and for its peace-loving nature, the perch relative is valued by many aquarists. Are you also interested in a king fairy bass as an eye-catcher for your saltwater aquarium? Then you will find out everything about his character as well as the correct posture and care in our portrait.

8 min 20

Crabs in the aquarium

Crabs in the aquarium are real eye-catchers. The best-known crab species that are well suited for keeping in the aquarium (or more precisely aqua-terrarium) are the vampire crabs (Geosesarma) and the fiddler crabs (Uca). The vampire crab belongs to the group of freshwater crabs and, due to its small size, is ideal for keeping in an aqua-terrarium.

8 min 24

Puffer fish

The puffer fish family (Tetraodontidae = four-toothed fish) includes 25 genera with around 200 species. The smallest of them, the dwarf puffer fish (Carinotetraodon travancoricus), measures just two centimeters, the giant puffer fish (Arothron stellatus) can be up to 1.20 meters in diameter. The puffer fish is a representative of highly developed bony fish.

6 min 24

Labidochromis Yellow

The Labidochromis Yellow is one of the most beautiful Malawi cichlids ever! If you fancy a bit of color in your aquarium, then the "yellow" - as aquarists like to call it - is exactly the right ornamental fish for you!

5 min 15

Mandarin fish (Synchiropus splendidus)

What colors and shapes: when you look at the mandarin fish you will be amazed at what nature is capable of. With its colorful patterns of dots, spots and stripes, this lyre fish casts a spell on every observer. Therefore it is one of the most beautiful fish in saltwater aquariums. Find out everything you need to know about keeping the mandarin fish (Synchiropus splendidus) in our article.

3 min 296

Neon tetra

Anyone who has ever dealt with the subject of aquaristics knows the little neon tetra. With their captivating, wonderful "neon-like" colors, they are a special feature that even laypeople will immediately notice. The background for this blaze of color is little known, but it is vital.

7 min 12

Pallet surgeonfish (Paracanthurus hepatus)

The pallet doctor fish swims majestically and gracefully through the water and inspires with its blue scales. He is one of the best-known representatives of the approximately 130 different surgeonfish species. Pallet surgeon fish are very popular in saltwater aquariums because of their gorgeous colors and intense blue. Last but not least, the film "Finding Nemo" with "Dorie" in the supporting role contributed to the popularity of this fish.

6 min 64

Panda catfish

Simply pandastic - an aquarium fish in the panda look. The peaceful panda catfish loves to socialize and can live up to ten years. In this post you can read more about the origin, husbandry tips and nutritional recommendations for the black-spotted panda catfish.

6 min 80

Armored catfish (Callichthyidae)

The armored catfish belongs to the Callichthyidae family, which consists of two subfamilies Corydoradinae and Callichthyinae, also known as callous catfish. Calluses are rarely bred in the aquarium. About 160 species of armored catfish are known, while the callous catfish subfamily has only 12 species.