Daisy’s Ricefish Care: Complete Guide for Beginners

Daisy’s Ricefish is a small freshwater fish native to Indonesia. Uniquely colorful, this peaceful schooling fish has gained popularity in the aquarium world. First discovered in 2007, you’ll find it a relatively easy species to care for. 

daisy s ricefish oryzias woworae

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Daisy’s Ricefish Species Profile and Identification

Daisy’s Ricefish, scientifically known as Oryzias woworae, is a fascinating species endemic to Southeast Sulawesi on the island of Muna in Asia. It was discovered in 2007 and subsequently named in honor of Daisy Wowor, who first collected and photographed the fish in the wild.

  • Size: Small in stature, this species typically grows to about 2.5-3 cm (around 1-1.2 inches).
  • Appearance: The males are particularly striking with their steel-blue bodies outlined with bright red stripes, noticeable across the ventral surface of the head and body, as well as the pectoral fins, caudal peduncle, and both dorsal and ventral portions of the caudal fin. Females also sport these reddish hues but instead feature a yellow body tone.
  • Lifespan: Relatively short-lived, Daisy’s Ricefishes are expected to live 3 to 4 years in captivity under optimal conditions.
  • Behavior: They are very peaceful, schooling fish but can get territorial while breeding.

Here are a few key identification traits specific to Daisy’s Ricefish:

  1. Color difference between genders: Males boast a steel blue body, while females have a yellow body color.
  2. Fins: Mature males display more color and possess longer dorsal and anal fins. Females tend to be plumper.
  3. Size: They are the smallest known Oryzias species from Sulawesi.

In a nutshell, spotting a Daisy’s Ricefish isn’t overly complicated. Looking out for these distinguishing features will assist you in confidently identifying these vibrant creatures.

Daisy’s Ricefish Supplies

To take care of Daisy’s Ricefish, you’ll need some essential items. Setting up with the right supplies is the first step in creating a well-maintained and healthy environment for your fish. Here’s a list of supplies you’ll need:

  • Fish Tank: Start by choosing a tank. Daisy’s Ricefish are small, usually about 1 inch long. So, a tank with a capacity of at least 30 liters (about 8 gallons) is a good starting point.
  • Aquarium Heater: We need to keep the water at a stable temperature. The ideal range for Daisy’s Ricefish is 73-81°F (23-27°C). An adjustable aquarium heater can help you maintain this.
  • Filter: A filter system is crucial for keeping the water clean and safe. An efficient filter will help remove toxins and keep the water oxygenated.
  • Substrate: Daisy’s Ricefish prefer a substrate of mud and sand with patches of leaf litter.
  • Decorations: Include tree roots, branches, or dried leaves over the sandy substrate. These fish also flourish in a densely planted aquarium.
  • Lighting: Fish need a specific period of light and darkness. This cycle will mimic their natural habitat.
  • Testing Kits: It’s essential to monitor the pH, hardness, and temperature of the tank. Aquarium test kits can help to track these parameters.
  • Nutritious Food: Daisy’s Ricefish are omnivorous. They can be fed with high-quality dry foods and live foods. They also graze algae from solid surfaces.
  • Breeding Tank: If you plan to breed Daisy’s Ricefish, a separate breeding tank is recommended. It’s also important to have fine-leaved plants such as Java moss in the breeding tank.

These are the supplies you’ll need to get started on your journey with Daisy’s Ricefish. Investing in these will ensure that your fish have an environment as close as possible to their natural habitat. This, in turn, will help them thrive.

Daisy’s Ricefish Tank Setup

Setting up your tank for Daisy’s Ricefish requires careful thought to best mimic their natural habitat. These small, colorful fish thrive best in conditions similar to their native waters in Southeast Sulawesi, Indonesia.

Start with a minimum tank size of 30 liters (roughly 8 gallons). For a population of 8-10 fish, aim for at least 50 liters (approximately 13 gallons). Remember, more space is always better, it gives your fish room to swim and socialize without feeling cramped.

Consider the substrate and decoration:

  • Opt for a substrate of mud and sand to emulate their natural surroundings.
  • Include patches of leaf litter. These mimic the bottom of their karstic freshwater streams.
  • Incorporate tree roots and branches. These mimic the forest under which these streams flow.
  • Placing some dried leaves over the sandy substrate adds to the natural feel.
  • Consider a densely planted aquarium. This fish pops with color against a green backdrop.

Pay attention to your tank’s temperature and water conditions:

  • Maintain a temperature between 23-27 degrees Celsius (73-81 degrees Fahrenheit).
  • Keep the pH level within a 6-7.5 range, representing moderately soft to slightly hard water.
  • Aim for a hardness of 5-15 NK°.

Implementing these steps in your tank setup can help ensure your Daisy’s Ricefish thrive. These steps are not overly complicated, but they are crucial. The goal is to replicate their natural habitat as closely as possible. This is key to a successful tank for your new Daisy’s Ricefish. Keep these guidelines in mind when beginning your tank setup and enjoy your colorful, peaceful new pets.

Daisy’s Ricefish Water Requirements

One of the most critical parts of Daisy’s Ricefish care is the water requirements. These fish thrive in specific water conditions.

They originate from tropical areas, and they enjoy temperatures of 23-27 degrees Celsius (73-80 degrees Fahrenheit). A good heater and a thermometer will ensure that the temperature stays consistent.

The pH for these desired fish should be between 6 and 7.5. pH testing kit is essential to keep tabs on the water’s acidity level. You may need to implement pH adjusters if the water doesn’t naturally fall into this range.

Handling hardness in an aquarium’s water is a delicate procedure. For Daisy’s Ricefish, it’s perfect between 5-15 NK°. This matches the hardness of the freshwaters in their native habitat. Adequate water hardness testing kits will help you keep track.

Daisy’s Ricefish thrive in freshwater and usually live in mud, sand, and leaf litter substrates in their natural habitats. It is recommended to replicate these conditions in their tanks. How you implement this and the design of your tank entirely depends on how you want to create a suitable environment for the fish.

Key water parameters:

  • Temperature: 23-27°C (73-80°F)
  • pH: 6-7.5
  • Hardness: 5-15 NK°

Daisy’s Ricefish require specific water conditions to stay healthy and happy. If you make sure to monitor these specifics often, you can ensure your fish have a truly prosperous life. It takes a bit of diligence, but the effort will certainly pay off seeing your Daisy’s Ricefish thrive.

Daisy’s Ricefish Diet and Feeding

Feeding Daisy’s Ricefish, the smallest known member of the Oryzias species, is straightforward. These fish are omnivores, meaning they eat a variety of foods.

Let’s break it down:

  • High-Quality Dry Foods: True to their omnivorous nature, Daisy’s Ricefish enjoy a balanced diet that includes dry foods. High-quality, small-sized dried foods like flakes or pellets can work wonders for their nutrition. Aim to provide a small amount once or twice daily.
  • Live Foods: Daisy’s Ricefish also thrive on live foods. Daphnia, brine shrimp or bloodworms serve as excellent sources of protein. Live foods are not only high in nutrients but also mimic their natural diet, keeping your fish healthy and happy.
  • Algae: Adult Daisy’s Ricefish also graze algae from hard surfaces. Beneficial algae include spirulina or chlorella. This foraging behavior supplies dietary fiber and promotes oral health.

Remember, feeding time is an excellent opportunity to check for any signs of illness or stress. Look for active feeding and normal interactions with other tank mates during this period. To avoid overfeeding, a general rule of thumb is to feed only what they can consume within two minutes. Any leftover food should be promptly removed from the tank to prevent water pollution.

For young fry, feeding poses a bit more of a challenge. They require tiny particles of nutritionally dense food. Newly hatched brine shrimp or a specially designed fry food product can be offered.

Regular feeding aligns with the natural rhythm of Daisy’s Ricefish and ensures they receive their nutritional needs adequately. Feeding them a varied diet will result in vibrant colors and an overall healthier fish, so make that a priority in your fish care itinerary. After all, a well-fed Daisy’s Ricefish is a happy Daisy’s Ricefish.

Daisy’s Ricefish Care Schedule

Proper care is crucial to keep your Daisy’s Ricefish healthy and thriving. Below is a simple yet comprehensive care schedule you can follow:


  • Check water parameters: Daisy’s Ricefish thrive in specific water conditions. Aim for a pH between 6-7.5, hardness of 5-15NK°, and temperature of 73-80 °F (23-27 °C). A weekly water test will ensure the conditions are ideal.
  • Inspect health: Look for any signs of illness. If the fish are lively, with clear eyes and full colors, they’re likely healthy.

Every Two Weeks:

  • Perform water change: Replace 20-25% of the tank water. A bi-weekly water change helps maintain the water conditions and remove any toxins.


  • Check the tank filter: A functional filter is fundamental for a clean, healthy tank. Once a month, inspect and clean the filter to ensure it works efficiently.
  • Assess food consumption: Evaluating the fish’s food intake can indicate their health. If they’re eating less or more than usual, it may signal a problem.


  • General tank cleanup: Once a year, perform a deep cleaning of the tank. This involves removing the fish to a temporary home, cleaning the tank walls, substrate, and decorations. Ensure you reintroduce the fish gradually to avoid shock.

Regular maintenance and attentive observation are key for Daisy’s Ricefish care. It shouldn’t be too burdensome as these fish are quite resilient. Yet, remember, each fish is unique. Adjust the care schedule as needed based on your fish behavior and the tank conditions.

Daisy’s Ricefish Health Problems

One crucial aspect of Daisy’s Ricefish care is keeping an eye out for any health issues. Despite their hardy nature, these small creatures can still succumb to various diseases.

Poor Water Quality: The most common cause of health problems in Daisy’s Ricefish is poor water quality. High levels of nitrates, ammonia, and other harmful elements can stress the fish, making them prone to diseases.

  • Symptoms: Unusual behavior like lethargy, loss of appetite, and rapid gill movement.
  • Action: Regular water testing and changes are a must, aim for nitrate levels below 20 ppm, NH3/NH4+ (Ammonia) practically 0.

Ich or White Spot Disease: This is a common illness, not only for Daisy’s Ricefish but for all aquatic species. It’s a parasitic infection causing tiny white spots covering the fish body.

  • Symptoms: White spots on body and fins, constant scraping against surfaces, clamped fins, and irritated gills.
  • Action: Effective Ich treatments available at pet stores should be used at the recommended dosage.

Fin Rot: This bacterial disease can occur if the Daisy’s Ricefish is stressed due to unfavorable conditions.

  • Symptoms: Faded colors and frayed or disintegrating fins.
  • Action: Improve water quality and consider antibiotics specifically made for Fin rot.

Pest Snails, although not a health problem themselves can multiply quickly and overrun your tank possibly leading to problems down the line due excessive waste.

  • Action: Introduce natural predators, manually remove them or use anti-snail treatments with caution.

To ensure your Daisy’s Ricefish live a healthy and full life of 3-4 years, focus on preventive care. Maintain top-notch water conditions, feed them a balanced diet and observe their behavior and appearance regularly for any early signs of distress. It’s easier to prevent potential problems than to treat health issues. Remember, a well-looked-after Daisy’s Ricefish is a happy Daisy’s Ricefish.

Daisy’s Ricefish Tank Mates

Choosing the right tank mates for Daisy’s Ricefish is essential to their well-being. These ricefish are very peaceful in nature. Their size, however, poses certain concerns, making a general community tank unsuitable.

Specifically, avoid placing them with large or aggressive fish. These could intimidate and cause stress to the Daisy’s Ricefish or eat them due to their small size.

To ensure cohabitation success, opt for friendly, calm species that share similar size and habitat preferences. Below are some compelling choices:

  • Other Oryzias Species: While they can be mixed with some species from their genus, be careful. Avoid potential hybridization by not combining them with other Oryzias species if breeding is your goal.
  • Small Tetras: These fish are gentle and small, fitting well within community tanks. They are ideal as they won’t intimidate your ricefish.
  • Rasboras: Known for their peaceful temperament, they cohabit well with Daisy’s Ricefish.
  • Dwarf Cichlids: While most cichlid species can be aggressive, dwarf species like the Apistogramma can make for good companions. They share comparable size and aren’t overly aggressive.

Remember, the tank environment’s dynamics may vary, influenced by species’ specific temperaments. Always monitor newly introduced species for signs of aggression or discomfort.

Lastly, it’s critical to prioritize enough space as per each resident’s requirements. For Daisy’s Ricefish, this rounds up to a minimum tank size of 30 liters (approximately 8 gallons). If adding new inhabitants, ensure you scale the tank size accordingly.

Striking a balance between diversity and harmony in your aquarium fosters a stimulating and stress-free environment for your fish, paving the way for optimal health and longevity.

Daisy’s Ricefish Breeding

Breeding Daisy’s Ricefish is quite straightforward. It’s within your reach as long as you replicate the specific conditions they enjoy in the wild. Here’s a brief hands-on guide to help you through:

Being omnivores, feeding your Daisy’s Ricefish a balanced diet is crucial. A healthy diet enhances their well-being, which in turn, boosts their reproduction rate. Opt for live foods and good quality dried foods of a suitable size.

Males are more colorful, have longer dorsal and anal fins, and they take on a darker hue during spawning. Understanding this color change helps indicate when males are ready to breed.

Females, on the other hand, are plumper and produce 10-20 eggs every few days. A telltale sign that breeding is imminent is when the eggs start to hang from the female’s genital pore.

Like their wild counterparts, Daisy’s Ricefish breed in the morning hours. This is when the male starts defending territories and enticing females for mate selection.

Eggs are expelled as a mass and get fertilized at the same time. They are then deposited among aquatic plants. A fine-leaved plant such as Java moss in the breeding tank will provide a suitable environment for this purpose.

The incubation period can range between 1 to 3 weeks, depending on the water temperature. Note that adult fish won’t harm the eggs, but they will consume the free-swimming fry.

In order to safeguard the eggs and hatchlings, it’s advisable to place them in a separate tank post-spawning. When the fry start swimming, they should be fed small live foods for predominant growth.

Lastly, be mindful of the age and size difference in young juveniles. The larger ones can predate on the smaller ones. To prevent this behavior, house juveniles of similar size conditions.

Follow these guidelines, and with a little patience, you will have healthy, breeding Daisy’s Ricefish in your aquarium.


Keep in mind that caring for Daisy’s Ricefish is a rewarding task, as these fish are relatively easy to breed, hardy, and beautiful with their unique color patterns. If provided with ideal conditions and care, they can flourish into an intriguing and stunning addition to your fish tank.

If you found this information useful or have any bearing experiences or tips for beginners, please feel free to leave a comment below.

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