Largehead hairtail and Similar Species
Trichiurus lepturus
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Open the appSeveral fish can be confused with Largehead hairtail. Here are the key differences.
Species often confused with {name}
Pacific Cutlassfish
Trichiurus nitens
Key differences: T. nitens generally has a slightly shorter head and fewer dorsal fin rays (120-135) compared to T. lepturus (130-160). Morphological differences are subtle and often require expert examination or genetic analysis for definitive identification, especially where ranges overlap.
Largehead Hairtail (other Trichiurus species)
Various Trichiurus spp.
Key differences: Several other Trichiurus species exist, often with overlapping ranges. Distinctions are typically based on meristic counts (e.g., number of dorsal fin rays, anal fin elements), vertebral counts, and subtle proportional differences in head and body length. T. lepturus is generally the most widespread and largest of the genus.
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