Live fish will be delivered only to selected pincodes in Kolkata and nearby areas. Here is a complete care guide and detailed profile for the Least Rasbora โ a tiny,...
Live fish will be delivered only to selected pincodes in Kolkata and nearby areas.
Here is a complete care guide and detailed profile for the Least Rasbora โ a tiny, peaceful, and beautiful nano fish perfect for planted aquariums and nano tanks.
Least Rasbora
Exclamation Point Rasbora
Dwarf Rasbora
Rasbora Uropthalmoides (older reference)
Category | Detail |
---|---|
Scientific Name | Boraras urophthalmoides |
Family | Cyprinidae |
Order | Cypriniformes |
Origin | Southeast Asia (Thailand, Cambodia, Malaysia) |
Feature | Description |
---|---|
Body Color | Transparent to light amber with a dark midline stripe and a black dot near the tail (resembles an exclamation mark) |
Size | 1.5 โ 2 cm (0.6 โ 0.8 inches) |
Lifespan | 3 โ 5 years with good care |
Sexual Dimorphism | Males are slightly slimmer and more colorful; females are rounder |
โ ๏ธ One of the smallest aquarium fish species in the hobby!
Parameter | Ideal Range |
---|---|
Temperature | 22 โ 28ยฐC (72 โ 82ยฐF) |
pH Level | 5.5 โ 7.0 |
Hardness | 1 โ 8 dGH |
Water Type | Freshwater (soft, slightly acidic preferred) |
Feature | Recommendation |
---|---|
Tank Size | Minimum 5 gallons (nano tank friendly) |
Group Size | At least 8โ10 (best in large groups) |
Substrate | Dark sand or fine gravel |
Plants | Dense live plants (Java moss, Rotala, floating plants) |
Decorations | Leaf litter, driftwood for blackwater effect |
Lighting | Low to moderate (brings out colors) |
Filtration | Sponge filter or nano HOB filter with gentle flow |
Cover | Yes โ they are small and can jump |
Trait | Description |
---|---|
Temperament | Extremely peaceful |
Schooling | Yes, tightly schooling |
Swimming Zone | Mid to top levels |
Compatibility | Great for peaceful nano tanks |
Activity Level | Active and graceful |
Food Type | Examples |
---|---|
Staple Diet | High-quality micro pellets, crushed flakes |
Live/Frozen | Baby brine shrimp, micro worms, daphnia |
Freeze-Dried | Bloodworms (chopped), tubifex (fine) |
Feeding Frequency | 2โ3 times daily in small portions |
๐ Tiny mouths need micro-sized food โ avoid large flakes or pellets.
Breeding Type | Description |
---|---|
Spawning Method | Egg scatterers |
Breeding Tank | Separate with moss, fine-leaved plants |
Spawning Behavior | Males chase females and scatter eggs |
Parental Care | None โ adults eat eggs |
Hatching Time | 24โ36 hours |
Fry Food | Infusoria, then baby brine shrimp |
๐ฑ Use Indian almond leaves or soft moss for egg laying and tannin-rich water.
โ Compatible Tank Mates | โ Avoid These |
---|---|
Chili Rasboras | Larger or aggressive fish |
Ember Tetras | Fast, boisterous fish |
Dwarf Shrimp (Amano, Neocaridina) | Cichlids or Gouramis |
Celestial Pearl Danios | Bettas (can mistake them for food) |
Pygmy Corydoras | Fish that may eat them due to size |
๐ง Weekly water changes (20โ30%)
โ Stable soft water conditions
๐งช Use a sponge filter to avoid sucking up tiny fish
๐ฟ Densely planted tanks help them feel secure
๐ Avoid sudden temperature shifts
Feature | Detail |
---|---|
Scientific Name | Boraras urophthalmoides |
Common Name | Least Rasbora |
Size | 1.5 โ 2 cm |
Lifespan | 3 โ 5 years |
Temperament | Very peaceful |
Tank Size | 5+ gallons |
Group Size | 8โ10 minimum |
Swimming Zone | Mid โ Top |
Diet | Micro-predator / Omnivore |
Care Level | Intermediate |
Breeding | Egg-scattering, no parental care |
๐งก One of the smallest aquarium fish species
๐ฅ Thrives in dense schools โ adds life to nano tanks
๐ฟ Perfect for planted and blackwater aquariums
๐ Peaceful and shrimp-safe (due to small size)
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