Live fish will be delivered only to selected pincodes in Kolkata and nearby areas. Here are all the details about the Espei Rasbora (Trigonostigma espei), commonly known as the Lambchop Rasbora...
Live fish will be delivered only to selected pincodes in Kolkata and nearby areas.
Here are all the details about the Espei Rasbora (Trigonostigma espei), commonly known as the Lambchop Rasbora
Common Names: Espei Rasbora, Lambchop Rasbora, False Harlequin Rasbora
Scientific Name: Trigonostigma espei
Family: Danionidae
Origin: Southeast Asia – particularly Thailand, Cambodia, and Vietnam
Lifespan: Around 3 to 5 years
Size: 2–3 cm (0.8–1.2 inches)
Temperament: Peaceful and social
Conservation Status: Least Concern (IUCN)
Body Color: Reddish-orange to copper or bronze
Unique Marking: Triangular black "lambchop"-shaped patch starting below the dorsal fin
Sex Differences:
Females: Rounder belly, slightly larger
Males: Slimmer and more vibrant in color
Parameter | Ideal Range |
---|---|
Temperature | 23–28 °C (73–82 °F) |
pH | 6.0–7.5 |
Hardness | 1–15 dGH |
Tank Size | Minimum 10 gallons, ideally 20+ gallons for a school |
Environment: Soft, slightly acidic water with lots of plants
Aquascape: Use driftwood, rocks, and leaf litter for a natural feel
Substrate: Dark gravel or sand enhances their coloration
Lighting: Moderate to low (to mimic forest streams)
Filtration: Gentle to moderate flow
Tank Lid: Recommended, as they may jump
Feeding Type: Omnivorous
Preferred Foods:
Micro pellets
High-quality flakes
Live or frozen foods (brine shrimp, daphnia, bloodworms)
Occasionally: blanched spinach or spirulina-based flakes
Feed 1–2 times daily in small amounts
Schooling: Must be kept in groups of at least 6–8 (preferably 10+)
Behavior: Active, peaceful mid-to-top dwellers
Compatible Tank Mates:
Neon tetras, ember tetras, harlequin rasboras
Corydoras catfish, kuhli loaches
Small peaceful gouramis, shrimp, snails
Avoid: Large or aggressive fish (they may become shy or stressed)
Spawning Type: Egg scatterer
Breeding Tank Setup:
Soft, slightly acidic water
Fine-leaved plants or spawning mops
Dim lighting and gentle filtration
Breeding Process:
Pairing often occurs at dawn
Eggs are scattered over plants and not guarded
Adults should be removed after spawning to prevent egg predation
Egg & Fry Care:
Eggs hatch in ~24–36 hours
Fry become free-swimming in 3–5 days
Feed infusoria, powdered fry food, or baby brine shrimp
Ich (White Spot Disease): Treatable with temperature increase and medication
Fin Rot: Often from poor water conditions
Swim Bladder Issues: Rare, but possible in stressed fish
Fungal Infections: Occur in poor water quality or due to injury
Prevention:
Regular water changes
Stable water parameters
Quarantine new fish before adding to the main tank
Characteristic | Details |
---|---|
Common Name | Espei / Lambchop Rasbora |
Scientific Name | Trigonostigma espei |
Size | 2–3 cm |
Temperament | Peaceful, schooling fish |
Ideal Group Size | 6–10+ individuals |
Lifespan | 3–5 years |
Water Temp | 23–28°C |
Tank Size | 10–20+ gallons |
Difficulty | Easy to Moderate |
Diet | Omnivorous |
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