Syncrossus hymenophysa

Introduction to Syncrossus hymenophysa

Syncrossus hymenophysa, also known as the Siamese algae eater, is a unique and fascinating freshwater fish that has captured the attention of aquarium enthusiasts around the world. With its striking physical characteristics and interesting behavior, this species has become a popular choice for both beginner and experienced aquarists. In this blog post, we will explore the features and physical characteristics of Syncrossus hymenophysa, its natural habitat and distribution, its diet and feeding habits, as well as its breeding behavior and reproduction. Additionally, we will provide valuable tips for keeping Syncrossus hymenophysa in an aquarium, ensuring a successful and fulfilling experience for both the fish and its owner.

Introduction to Syncrossus hymenophysa

Do you have a fascination with exotic fish species? If so, you may want to consider adding Syncrossus hymenophysa, also known as the “Chinese High-Fin Shark,” to your collection. This unique and stunning fish is native to Southeast Asia and is highly sought after by aquarium enthusiasts for its striking appearance and interesting behaviors. In this blog post, we will delve into the fascinating world of Syncrossus hymenophysa, exploring its features, physical characteristics, natural habitat, distribution, diet and feeding habits, breeding behavior, and tips for keeping it in an aquarium.

Features and Physical Characteristics of Syncrossus hymenophysa

Syncrossus hymenophysa is a visually striking fish with a distinct appearance. It has a slender and elongated body that is covered in scales, which range in color from a vibrant silver to a pale yellow or gold. What sets this species apart is its high dorsal fin, which gives it a unique and elegant profile. The dorsal fin extends almost vertically from its back, resembling a sail, and is adorned with attractive black markings. Additionally, Syncrossus hymenophysa has sharp spines on its pectoral and dorsal fins, adding to its captivating visual appeal.

Natural Habitat and Distribution of Syncrossus hymenophysa

Syncrossus hymenophysa is predominantly found in the rivers and freshwater streams of Southeast Asia. It is commonly found in the countries of Thailand, Cambodia, Vietnam, and Malaysia. This species thrives in habitats with a moderate to fast water flow and is typically found in areas with gravel or sandy substrates. Syncrossus hymenophysa has adapted to survive in both shallow and deep waters, making it a versatile species that can adapt to various environmental conditions.

Features and Physical Characteristics of Syncrossus hymenophysa

Syncrossus hymenophysa, also known as the Red-tailed Tinfoil Barb, is a popular freshwater fish among aquarium enthusiasts. It is native to the rivers and lakes of Southeast Asia, particularly in Thailand, Cambodia, and Malaysia. This species is well-known for its stunning appearance and unique physical characteristics, making it a standout in any aquarium setting.

The Red-tailed Tinfoil Barb can grow up to 12 inches in length, making it a rather large fish compared to other freshwater species. It has a slender and elongated body, with a distinctive red coloration on its tail fin, which gives it its common name. The body of this fish is generally silver in color, with black vertical stripes running along its length.

One of the most striking features of the Syncrossus hymenophysa is its dorsal fin, which is considerably larger and more prominent compared to other freshwater fish. The dorsal fin has a striking red coloration, which complements the vibrant red tail fin. This combination of colors makes this fish a visually stunning addition to any aquarium.

  • Slender and elongated body shape
  • Distinctive red coloration on the tail fin
  • Silver body with black vertical stripes
  • Large and prominent dorsal fin with red coloration
Physical Characteristics Description
Body Shape Slender and elongated
Coloration Silver body with black vertical stripes; red tail fin and dorsal fin
Size Can grow up to 12 inches in length

The Red-tailed Tinfoil Barb is an active and fast-swimming fish, known for its playful and energetic behavior. Its elongated body and powerful fins allow it to navigate swiftly through the water. This species thrives in large tanks with ample swimming space and requires moderate to strong water flow. A well-maintained aquarium with suitable hiding places and plants will provide a comfortable environment for this lively fish.

Overall, the Red-tailed Tinfoil Barb is a visually striking and active fish that adds a touch of vibrancy to any aquarium. Its unique physical characteristics, including its red tail fin and prominent dorsal fin, make it a highly sought-after species among fishkeepers. If you’re looking for an eye-catching and active fish to add to your freshwater aquarium, the Syncrossus hymenophysa is definitely worth considering!

Natural Habitat and Distribution of Syncrossus hymenophysa

Syncrossus hymenophysa, commonly known as the Red-tailed Tinfoil Barb, is a fascinating fish species that enthusiasts often keep in aquariums. Understanding the natural habitat and distribution of this species is crucial for providing them with suitable conditions in captivity. In this blog post, we will explore the native environment of Syncrossus hymenophysa and its distribution patterns.

Syncrossus hymenophysa is native to Southeast Asia, specifically found in the regions of Thailand, Malaysia, and Indonesia. These fish are commonly found in rivers and streams with clear water and moderate to fast-flowing currents. They are specifically adapted to thrive in freshwater ecosystems, particularly in areas with dense vegetation and rocky substrates.

When it comes to the distribution of Syncrossus hymenophysa, they are primarily found in the Mekong River basin, including adjacent river systems and tributaries. The Mekong River, often hailed as one of the world’s most biodiverse rivers, provides ample habitat for these fish. They can also be found in the Chao Phraya and Mae Klong basins in Thailand.

Key Points:

  • Syncrossus hymenophysa is native to Southeast Asia, particularly Thailand, Malaysia, and Indonesia.
  • They inhabit rivers and streams with clear water and moderate to fast-flowing currents.
  • Their natural habitat includes areas with dense vegetation and rocky substrates.
  • They are predominantly found in the Mekong River basin and its adjacent river systems and tributaries.

Distribution Table:

Country/Region Specific Locations
Thailand Mekong River basin, Chao Phraya and Mae Klong basins
Malaysia Mekong River basin
Indonesia Mekong River basin

Syncrossus hymenophysa’s natural habitat and distribution play a vital role in understanding their needs in captivity. When creating an aquarium environment for these fish, it is necessary to replicate their native conditions as closely as possible. Providing clear, well-oxygenated water, ample swimming space, and appropriate vegetation and hiding spots will contribute to their overall well-being and happiness.

By understanding the natural habitat and distribution of Syncrossus hymenophysa, fish keepers can ensure that their aquarium setups provide a comfortable and suitable environment for these fascinating fish. Paying attention to these factors will not only benefit the fish’s physical health but also enhance their vibrant colors and natural behavior in captivity.

Diet and Feeding Habits of Syncrossus hymenophysa

The Syncrossus hymenophysa, also known as the Siamese Tigerfish, is a fascinating species with unique dietary preferences and feeding habits. Understanding the diet and feeding habits of this fish is crucial for their care and well-being in an aquarium setting.


Syncrossus hymenophysa is predominantly a carnivorous species. In the wild, their diet primarily consists of small invertebrates such as insects, crustaceans, and small fish. They are known to be opportunistic feeders, meaning they will consume any prey that they can catch. However, it is important to provide them with a well-rounded and balanced diet in captivity.

Feeding Habits:

Feeding the Synrossus hymenophysa can be quite an interesting experience. They are highly active predators and exhibit a unique hunting behavior. These fish are known to swim in a zig-zag pattern, mimicking the movements of their prey. This behavior is an adaptation to lure in their prey and increases their chances of catching it.

When it comes to feeding habits, they are known to be quite voracious eaters. They have a strong appetite and should be fed multiple times a day. It is recommended to offer them a variety of live or frozen foods, such as bloodworms, brine shrimp, and small crustaceans, to replicate their natural diet.

Tips for Feeding Syncrossus hymenophysa in an Aquarium:

  • Provide a variety of food options to ensure a balanced diet.
  • Feed them smaller portions multiple times a day to mimic their natural feeding habits.
  • Observe their feeding patterns and adjust the feeding schedule accordingly.
  • Monitor their body condition and adjust the amount of food accordingly to prevent overfeeding.

In conclusion, understanding the diet and feeding habits of Syncrossus hymenophysa is essential for their optimal health and well-being. By replicating their natural feeding behavior and offering a varied diet, you can provide them with the nutrition they need to thrive in an aquarium environment.

Breeding Behavior and Reproduction of Syncrossus hymenophysa

Syncrossus hymenophysa, also known as the Red-tailed shark, is a popular freshwater fish among aquarium enthusiasts. Breeding these fascinating creatures can be a rewarding experience for hobbyists, allowing them to observe and understand their intriguing reproductive behavior. In this blog post, we will explore the breeding behavior and reproduction process of Syncrossus hymenophysa, shedding light on the key factors to consider for successful breeding in a home aquarium.

1. Courtship Rituals:

Before the actual breeding takes place, Syncrossus hymenophysa engage in elaborate courtship rituals. Male Red-tailed sharks will display intense aggression towards each other as they compete for the attention of females. They showcase their vibrant red tails and perform vigorous chasing maneuvers to establish dominance and woo the female. It is important to carefully observe their behavior during this stage to ensure a harmonious environment for successful breeding.

2. Spawning Process:

Once the dominant male has successfully courted a female, the actual spawning process begins. This typically occurs in a secluded area of the aquarium, such as within dense vegetation or among rocks. The female Red-tailed shark releases a clutch of eggs while the male follows closely behind, fertilizing them externally. It is crucial to provide suitable breeding surfaces, such as plant leaves or artificial spawning mops, to encourage the synchronization of the breeding pair and ensure a higher chance of successful egg fertilization.

3. Egg Care and Hatching:

After fertilization, the female Red-tailed shark exhibits remarkable parental care by attaching the adhesive eggs to various surfaces. The eggs are usually orange or reddish in color and can number from a few hundred to several thousand, depending on the size and maturity of the female. It is essential to create a separate breeding tank or isolate the eggs from other tank inhabitants to protect them from potential predation. The temperature and water conditions play a significant role in the successful hatching of the eggs, so maintaining optimal parameters is crucial.


Breeding Syncrossus hymenophysa can be a fascinating and fulfilling experience for dedicated aquarium hobbyists. Understanding their breeding behavior and reproductive process is essential for creating an environment conducive to successful breeding. From courtship rituals to egg care and hatching, each step in the process requires careful observation and proper tank setup. By providing the necessary conditions and maintaining optimal parameters, you can increase the likelihood of witnessing the beautiful cycle of life within your aquarium.

Tips for Keeping Syncrossus hymenophysa in an Aquarium

Keeping Syncrossus hymenophysa in an aquarium can be a rewarding and fascinating experience. This species, also known as the Asian Ripsaw Catfish, is native to the freshwater rivers and streams of Southeast Asia. Their unique physical characteristics and behavior make them an attractive addition to any aquarium.

One of the most important things to consider when keeping Syncrossus hymenophysa is the tank size. These catfish can grow quite large, reaching up to 12 inches in length. Therefore, it is recommended to provide them with ample space to swim and explore. A tank size of at least 75 gallons is recommended for a single adult specimen.

In terms of water parameters, Syncrossus hymenophysa prefers slightly acidic to neutral water conditions. The pH level should ideally range between 6.5 and 7.5, while the water temperature should be kept between 72°F and 78°F. It is important to maintain a consistent and stable environment to ensure the well-being of these catfish.

When it comes to tank decorations, providing plenty of hiding spots is crucial. Syncrossus hymenophysa is a shy and reclusive species, so it is important to create an environment that mimics their natural habitat. Adding caves, driftwood, and plants can help create hiding spots and give them a sense of security.

In terms of diet, Syncrossus hymenophysa is omnivorous and will eat a variety of foods. A balanced diet can be achieved by offering a combination of high-quality pellets or flakes, as well as frozen or live foods such as bloodworms, brine shrimp, and small crustaceans. It is important to provide a varied diet to ensure proper nutrition.

Lastly, it is important to note that Syncrossus hymenophysa can be territorial, especially during breeding periods. Therefore, it is recommended to keep them in a species-only tank or with large, peaceful tankmates that can handle their occasional aggression. Avoid keeping them with small, slow-moving fish to prevent any potential conflicts.

In conclusion, keeping Syncrossus hymenophysa in an aquarium requires careful consideration of their tank size, water parameters, tank decorations, diet, and tankmates. By providing a suitable and enriching environment, you can ensure the well-being and happiness of these fascinating catfish.

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