ARKA BIO GRAN | Granulated Food for Ornamental Fish | Organic Ingredients

ARKA BIO GRAN - High-quality pellet food for ornamental fish

Ready to treat your ornamental fish to a culinary experience that will make their fins dance with joy? As aquarium experts, we at Petonus invite you to join us on an exciting journey of discovery through the world of fish nutrition. Together, we’ll explore the unique feeding habits of a wide variety of ornamental fish species and show you how ARKA BIO GRAN masterfully meets these needs. Join us to discover why this pellet food isn’t just a true treat for your underwater residents’ taste buds, but also promotes their health and vibrant colors.

The Secret to Proper Nutrition: What Ornamental Fish Really Want

Proper nutrition is the key to a healthy and happy life—and that applies not only to us humans but also to our scaly friends in the aquarium. From the different types of diets to the best food forms, sizes, and quantities, we’ll give you all the information you need to provide optimal care for your ornamental fish. Because happy fish are healthy fish, and healthy fish bring us, as aquarium enthusiasts, the greatest joy.

Diet Types: From Carnivores to Omnivores

The underwater world is rich in different dietary types—from carnivores to herbivores to omnivores. Fish diets reflect their natural habitats and are key to keeping them in a species-appropriate manner in the aquarium.
Carnivores prefer a protein-rich diet. In the wild, they feast on smaller fish, wriggling insects, and juicy crustaceans. In a home aquarium, they enjoy a buffet of live and frozen foods as well as specially formulated dry food. Colorful cichlids and agile predatory catfish, which masterfully hunt their prey, are typical representatives of this group.

Herbivorous fish—the little gardeners of the aquarium—prefer a green diet. They’re like hardworking lawnmowers, nibbling their way through algae and aquatic plants. Many catfish species belong to this group; they love to nibble biofilms off surfaces. Their digestive systems are perfectly adapted to process foliage, greens, and even wood. To keep these underwater vegetarians happy, a mixed diet of special food tablets, fresh aquatic plants, and occasional vegetable snacks is ideal.

Omnivorous ornamental fish—the versatile all-rounders of the underwater world—enjoy the best of both worlds: they feed on both plant-based and animal-based foods. This flexibility makes them ideal inhabitants for colorful community aquariums. A prime example of this group is the colorful guppy, which is famous not only for its vibrant colors but also for its ability to give birth to live young. Their omnivorous diet provides them with a rich variety of food options that meet their natural needs, making them an excellent choice for aquariums with diverse populations.

H4: Food Forms: Flakes, Granules, Pellets, and More
The world of aquarium foods is just as colorful and diverse as that of the fish themselves. Each food form—whether flakes, granules, or pellets—offers its own unique advantages, perfectly tailored to the individual needs and lifestyles of different fish species.
Flake food, a classic in the aquarium, floats at the surface and is ideal for smaller, surface-feeding fish such as neon tetras or guppies. It provides a balanced diet rich in vitamins and minerals.

Buy flake food for freshwater fish

Granules, known for their dense nutrient composition in small pellets, offer an ideal dietary solution for fish that inhabit mid- to lower water layers. This food sinks slowly, reaching species such as angelfish, rainbowfish, or larger tetra species that prefer a protein-rich diet. Granules are particularly useful for ensuring that even fish that do not feed at the water’s surface receive sufficient nutrition.

For larger, bottom-dwelling fish, on the other hand, pellets are ideal. They sink quickly and thus easily reach the depths where bottom-dwelling fish such as loaches or larger armored catfish reside. The pellets are available in various sizes, making them a suitable food for fish with larger mouths. Their compact shape not only ensures slow dissolution—and thus a long-lasting food source—but also helps maintain water quality, as they leave less waste in the aquarium.

In addition to standard food types, there are also specially formulated foods designed to meet the individual needs of certain fish species. A good example is algae tablets, which were developed specifically for bottom-dwelling fish such as catfish. These tablets are rich in plant-based ingredients and provide catfish with a balanced diet. Shrimp also have their own dietary requirements. There is special shrimp food available that is tailored to their unique needs. This food typically contains a higher proportion of plant-based ingredients and micronutrients that shrimp need for their health and vibrant colors. 

Food Tablets for Catfish

Species-Appropriate Feeding Location: Floating or Near the Bottom

Feeding your fish should align with their natural preferences and behaviors. Bottom-dwelling fish, such as catfish or certain species of perch, prefer food that sinks slowly to the bottom. This allows them to find and consume their food in their natural environment. For these fish species, tablets, granules, or special bottom-feeding mixes are the ideal choice.

In contrast, there are fish that prefer to feed at the water’s surface, such as many labyrinth fish. Floating food is perfect for them. Floating flakes, pellets, or even live insect larvae offer these fish an exciting hunting experience at the water’s surface. This interactive feeding method stimulates their natural instincts and keeps them active.

Food Sizes: The Right Fit for Every Fish’s Mouth

It’s not just the type and shape of the food that matter—its size is crucial, too. Choosing the right food size and texture is like putting together a custom-made meal for each fish. After all, every fish has its own preferences and needs.
For the tiny, often delicate mouths of smaller fish, such as neon tetras or guppies, fine food is ideal. Micro-pellets, finely ground dry food, or freshly hatched Artemia nauplii are perfect for their tiny jaws. These food forms are easy to eat and digest, ensuring that even the smallest aquarium inhabitants are well nourished.

Larger fish, such as magnificent discus or majestic goldfish, require larger food pieces that match the size of their mouths. For these impressive aquarium inhabitants, larger pellets, flakes, granules, or even small pieces of fish (especially for carnivores) are the right choice. These food forms not only provide the necessary nutrition but also offer an authentic feeding experience that matches their natural eating habits.

Feeding Amount: Less Is Often More

But how much food do our scaly friends actually need? The rule here is: less is more. Too much of a good thing can quickly become a problem. If you throw too much food into the water, it’s like a big party with too many treats—it often ends in a mess. Uneaten food at the bottom of the tank attracts algae and bacteria that could cloud your crystal-clear water. And just as you sometimes feel sluggish after a big feast, too much food can also sit heavy in your fish’s stomachs.

So feed sparingly instead. Give them just enough so they can polish it off in a few minutes. This keeps your aquarium water clean and encourages your fish’s natural instincts. And don’t forget to treat them to a fasting day every now and then—a little break for their tummies definitely won’t hurt.

Buy Aquarium Water Care

BIO GRAN by ARKA: Certified Pellet Food for Ornamental Fish

An exciting new product has emerged in the world of aquariums that will revolutionize how you feed your ornamental fish: BIO GRAN by ARKA. As a certified organic pellet food, it sets new standards in the nutrition of aquarium inhabitants. ARKA, known for its innovations and high-quality products in the aquarium hobby, is launching BIO GRAN—a food that not only supports the health and well-being of your fish but also represents a step toward sustainable aquarium care.

Unser erstes BIO-zertifiziertes Futter für Süßwasserfische ! - ARKA BIO GRAN Granulatfutter

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BIO GRAN is more than just another fish food; it’s a response to the growing demand for environmentally responsible products in the aquarium hobby. With its organic certification, it stands out from conventional feeds and underscores ARKA’s commitment to quality and sustainability. This innovative pellet food invites you to rethink how you feed your ornamental fish. It heralds an era in which not only the needs of the fish but also those of the ecosystem are taken into account. ARKA, a pioneer in the aquarium hobby, demonstrates with BIO GRAN that modern fish food can be the perfect symbiosis of nutritional richness, sustainability, and quality.

What makes ARKA’s BIO GRAN so special?

ARKA, a name synonymous with innovation and quality in the aquarium hobby, has developed a formula with BIO GRAN that brings the best of nature into your aquarium. This granulated food is a true booster for your fish’s natural coloration and healthy growth. Imagine how their colors come alive beneath the water’s surface as they swim with full vitality—that’s the magic of BIO GRAN.

22% Discount

Arka

Arka Bio Gran - 250 ml

coming soon available

6.95 €

(27.80 € / l)

EIA 8.90 €

61 Reviews

What truly makes BIO GRAN so unique is its organic certification—a genuine seal of quality that guarantees every ingredient has been selected according to the strictest ecological standards. This food isn’t just a feast for your fish; it’s also a contribution to environmental protection.
What further sets BIO GRAN apart from other fish foods is its composition. Free of spirulina and low-quality fish meal, it relies on high-quality ingredients from certified organic farming, such as:

• organic fish meal
• fish oil
• grain products
• yeast

Added to these are essential vitamins and minerals—the perfect recipe for well-nourished, vibrantly colored, happy fish. Each pellet is like a little nutrient-packed treat that your fish can easily consume, whether they’re small or large, whether they prefer to swim near the surface or forage for food at the bottom. And that ensures a thoroughly happy school of fish.

But that’s not all. BIO GRAN also helps minimize unwanted waste in the aquarium—creating a clean and healthy habitat for your finned friends.

With BIO GRAN from ARKA, you’re not only choosing a food your fish will love, but you’re also opting for a product from a brand trusted by aquarists worldwide. It’s more than just food—it’s an investment in the health and well-being of your underwater world.

Which ornamental fish is BIO GRAN suitable for?

BIO GRAN was specially developed for freshwater ornamental fish and is excellent for a wide range of species. As a pellet food, it’s ideal for fish that feed at different water levels. The fine pellet size of 0.5 to 1 mm makes the food perfect for small to medium-sized fish that inhabit both the water’s surface and mid-water layers. These include popular species such as:

• Tetras
• Perch
• Cichlids
• Labyrinth fish and livebearers
• Guppies
• Platies

The pellets sink slowly, giving the fish time to eat the food before it reaches the bottom. This makes it an excellent choice for aquariums with a mix of different fish species and feeding habits.

What’s in BIO GRAN: An overview of all ingredients and additives

BIO GRAN is available in three convenient sizes:

• 250 ml
• 500 ml
• 1,000 ml

But what exactly is in this high-quality food? The following table provides a complete list of the chemical composition of the pellet food:

The following table provides an overview of all the nutritional aspects of the food, including information on the vitamins, minerals, and other important nutrients it contains that promote the growth and health of your fish:

Feeding Instructions: This is the right amount of BIO GRAN for your fish

A small pinch of BIO GRAN, spread out over the course of the day, is ideal. These frequent but small feedings encourage the fish’s natural feeding behavior and keep their ecosystem in balance. It’s best to observe how your fish react to the food portions. Do they eat quickly and seem satisfied? Perfect! Do they hesitate or leave food behind? Then it might be time to adjust the amount. These observations will help you tailor the feeding regimen perfectly to your aquatic pets.

22% Discount

Arka

Arka Bio Gran - 250 ml

coming soon available

6.95 €

(27.80 € / l)

EIA 8.90 €

61 Reviews

Another tip: Keep feeding times on a regular schedule. Fish love routine and respond positively to a consistent feeding schedule. However, if you’re ever unable to be home to feed them on time, an automatic feeder is your lifesaver! This clever device can take over feeding for you and ensure that your fish get their meals at the usual time. That way, you can enjoy your day worry-free while your fish look forward to their delicious treats.

Buy a fish feeder

Buy ARKA BIO-GRAN food for ornamental fish online at Petonus

Treat your freshwater fish to the best nature has to offer—ARKA BIO GRAN fish food. Available in 250 ml, 500 ml, and 1,000 ml sizes, this high-quality food is the perfect choice for your fish’s health and coloration. Order today from Petonus and treat your ornamental fish to a first-class taste experience.

If you have any questions or would like personalized advice, we’re happy to help. Contact us by phone at 03641 376432 or via our convenient contact form, and our team of experts will address your concerns right away. Your ornamental fish will thank you!