Small tuna catalog
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Tuna species under 40 cm FL are not easy to identify because they lack clear and stable morphological characteristics that differentiate species based on their external appearance. Careful observation of the slight morphological differences among the species shown in the photos below will aid in species identification.
FL 28-31 cm
Yellowfin tuna
FL 29 cm, Sample collected in Pacific Ocean
Bigeye tuna
FL 29 cm, Sample collected in Pacific Ocean
Longtail tuna
FL 29 cm, Sample collected in Pacific Ocean
Albacore tuna
FL 29 cm, Sample collected in Pacific Ocean
FL 32-36 cm
Yellowfin tuna
FL 36 cm, Sample collected in Pacific Ocean
Bigeye tuna
FL 36 cm, Sample collected in Pacific Ocean
Longtail tuna
FL 34 cm, Sample collected in Pacific Ocean
Albacore tuna
FL 32 cm, Sample collected in Pacific Ocean