Red-tailed Black Shark and Similar Species
Epalzeorhynchos frenatum
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Open the appSeveral fish can be confused with Red-tailed Black Shark. Here are the key differences.
Species often confused with {name}
Rainbow Shark
Epalzeorhynchos erythrurus
Key differences: The Rainbow Shark has red coloration on all fins (dorsal, anal, pectoral, pelvic, and caudal), whereas the Red-tailed Black Shark only has a red caudal fin. The body of the Rainbow Shark is also typically less intensely black, often appearing more greyish.
Flying Fox
Epalzeorhynchos kalopterus
Key differences: The Flying Fox has a distinct black lateral stripe running from the snout to the caudal fin, bordered by a golden stripe above it. Its fins are typically clear or yellowish, lacking the vibrant red of the Red-tailed Black Shark's tail.
Siamese Algae Eater
Crossocheilus oblongus
Key differences: The Siamese Algae Eater has a prominent black lateral stripe that extends into the caudal fin, and its fins are generally clear. It lacks the red caudal fin and the robust body shape of the Red-tailed Black Shark.
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