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DistributionDistribution: tropical and subtropical seas. Dorsal fins 2: first dorsal a single produced ray, the second with a large notch at center as in anal fin. Anal fin long. Chin barbel absent. Scales relatively large; 40-89 in lateral series. Teeth present on head of vomer. Pelvic fin rays 5, the outer three drawn out into free filaments. Pyloric caeca few. No otophysic connection between swim bladder and auditory capsules. Vertebrae 43-59. About 12 cm maximum length. Additional taxonomic work is required in order to define and classify the species and map their distributions.