Siamese Fighting Fish and Similar Species
Betta
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Open the appSeveral fish can be confused with Siamese Fighting Fish. Here are the key differences.
Species often confused with {name}
Peaceful Betta
Betta imbellis
Key differences: Generally smaller (up to 5 cm TL), less aggressive, and typically has iridescent blue-green scales with red fins. The opercular spot is often more pronounced and iridescent blue. Fins are shorter and more rounded than most ornamental B. splendens.
Mahachai Betta
Betta mahachaiensis
Key differences: Found exclusively in brackish water habitats (mangrove forests) near Samut Sakhon, Thailand. Distinctive iridescent green-blue scales with black body and red fin rays. Fins are typically shorter than ornamental B. splendens.
Smargadina Betta
Betta smaragdina
Key differences: Often confused with B. splendens. Typically has a more elongated body, iridescent green or blue scales, and a less pronounced 'mask' on the face. Fins are generally shorter and more rounded than ornamental B. splendens, but can be more elaborate than B. imbellis.
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