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Indo-Pacific Flounder and Similar Species

Pseudorhombus arsius

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Several fish can be confused with Indo-Pacific Flounder. Here are the key differences.

Species often confused with {name}

Smalltooth Flounder

Pseudorhombus jenynsii

Key differences: P. jenynsii generally has smaller teeth, a less pronounced dark spot on the lateral line (or none), and typically fewer dorsal and anal fin rays (D 65-75, A 50-58 vs. P. arsius D 71-82, A 55-64).

Three-eyed Flounder

Pseudorhombus triocellatus

Key differences: Distinguished by three prominent, ocellated (eye-like) dark spots arranged in a triangle on the body, which are absent in P. arsius.

Indian Flounder

Pseudorhombus elevatus

Key differences: P. elevatus typically has a more elevated body profile and often lacks the distinct large dark spot on the lateral line, or if present, it is less prominent than in P. arsius. Fin ray counts also differ (D 67-75, A 52-59 for P. elevatus).

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