Bengal danio
Minimum Tank Volume 15.9 Gallon |
Recommended Tank Volume 39.6 Gallon (for groups of 6 or more) |
Maximum Adult Length 3.9 inch |
Average Adult Length 3.1 inch |
Shoaling (6+ required) Yes |
Preferred Water Type Freshwater, subtropical |
Minimum Group Size 6 |
Temperature Range (°C) 15–26 |
pH Range 6.0–8.0 |
Water Hardness (dGH) 5–19 |
Typical Lifespan (years) 3 years |
Minimum Tank Volume 15.9 Gallon | Recommended Tank Volume 39.6 Gallon (for groups of 6 or more) |
Maximum Adult Length 3.9 inch | Average Adult Length 3.1 inch |
Shoaling (6+ required) Yes | Preferred Water Type Freshwater, subtropical |
Minimum Group Size 6 | Temperature Range (°C) 15–26 |
pH Range 6.0–8.0 | Water Hardness (dGH) 5–19 |
Typical Lifespan (years) 3 years |
Introduction
The Bengal danio (Devario devario), also known as the Sind danio, is a vibrant and active freshwater fish that has captivated aquarists worldwide. Renowned for its striking coloration and dynamic swimming behavior, this species is a delightful addition to community aquariums. Its hardy nature and relatively straightforward care requirements make it an excellent choice for both novice and intermediate fishkeepers.
Care and Environment
Providing optimal care for the Bengal danio involves understanding its specific needs and natural behaviors.
What is the minimum tank size suitable for a Bengal danio?
A minimum tank size of 60 liters is recommended to accommodate a small group of Bengal danios, allowing them ample space to swim and exhibit natural behaviors.
What are the ideal water parameters for Bengal danios?
Maintain water temperatures between 15–26°C, with a pH range of 6.0–8.0, and water hardness between 5–19 dGH to replicate their natural habitat conditions.
How should the tank be set up to mimic the Bengal danio's natural environment?
Incorporate a steady water flow by positioning the filter outlet to create a gentle current, and include dense plantings along the tank's borders with open swimming areas in the center. A fine gravel or sandy substrate is ideal, and a tight-fitting lid is essential to prevent jumping.
What is the recommended diet for Bengal danios?
As omnivores, Bengal danios thrive on a varied diet that includes high-quality flake or pellet food, supplemented with live or frozen foods such as daphnia, bloodworms, and brine shrimp.
Are there any specific challenges in keeping Bengal danios?
While generally hardy, Bengal danios can become nippy if not kept in a sufficiently large school. It's advisable to keep them in groups of at least six to prevent stress and encourage natural behaviors.
Origin and Habitat
The Bengal danio is native to South Asia, specifically found in countries such as Pakistan, India, Nepal, Bangladesh, and Afghanistan.
What type of natural habitats do Bengal danios inhabit?
They primarily inhabit rivers, ponds, and fields in subtropical climates, preferring environments with moderate water flow and abundant vegetation.
How do seasonal variations affect Bengal danios in the wild?
Seasonal changes can influence water parameters and food availability, leading Bengal danios to adapt by seeking out areas with optimal conditions for feeding and breeding.
Temperament and Compatibility
Bengal danios are known for their active and peaceful nature, making them suitable for community aquariums.
Do Bengal danios prefer to be kept alone or in groups?
They are shoaling fish and thrive when kept in groups of at least six, which helps prevent stress and promotes natural behaviors.
What types of tank mates are suitable for Bengal danios?
Compatible tank mates include other active, peaceful species such as honey gouramis, ember tetras, rosy barbs, rummy nose tetras, swordtails, kuhli loaches, and platies.
Are there any fish that should be avoided as tank mates for Bengal danios?
It's best to avoid slow-swimming, long-finned fish, as Bengal danios may nip at their fins. Additionally, large predatory fish should be avoided, as they may view Bengal danios as prey.
Interesting Facts
Beyond their care requirements, Bengal danios possess several intriguing traits that enhance their appeal.
What is the typical lifespan of a Bengal danio in captivity?
With proper care, Bengal danios can live for approximately 3–5 years in captivity.
How do Bengal danios reproduce?
They are oviparous, meaning they lay eggs. In the wild, they spawn among fine-feathered plants, and the larvae hatch after 24–36 hours.
Are Bengal danios known to jump out of aquariums?
Yes, they are known to be jumpers, so it's essential to keep the aquarium well-covered to prevent them from leaping out.
Sources
All information in this article has been gathered from the following reputable sources: