Red Tail Rasbora and Similar Species
Rasbora borapetensis
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Open the appSeveral fish can be confused with Red Tail Rasbora. Here are the key differences.
Species often confused with {name}
Harlequin Rasbora
Trigonostigma heteromorpha
Key differences: The Harlequin Rasbora has a distinctive triangular black patch on its posterior body, whereas R. borapetensis has a straight dark lateral stripe and a red tail.
Lambchop Rasbora
Trigonostigma espei
Key differences: Similar to the Harlequin, the Lambchop Rasbora also has a wedge-shaped black marking, but it is more elongated and 'lambchop'-like. R. borapetensis lacks this marking and has a red tail.
Blackline Rasbora
Rasbora daniconius
Key differences: Rasbora daniconius has a prominent black lateral line, but it lacks the vibrant red caudal fin and the iridescent golden stripe seen in R. borapetensis. Its body is also generally more robust.
Emerald Dwarf Rasbora
Celestichthys erythromicron (formerly Danio erythromicron)
Key differences: While also small and colorful, the Emerald Dwarf Rasbora has a distinct pattern of vertical bars and lacks the prominent red tail and lateral stripe of R. borapetensis. It is also a different genus.
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