| 41. | There is a broad, small medial barbel on the anterior nasal flaps.
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| 42. | A long, filamentous chin barbel and a wide gill opening are present.
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| 43. | The barbels are whitish and fade to transparent tips.
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| 44. | In order to feel, it has maxillary barbels.
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| 45. | The function of the hyoid barbel in the horned lantern fish is unknown.
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| 46. | It has three pairs of barbels, the two mandibular pairs are branched.
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| 47. | The caudal fin is forked and the fish has two pairs of barbels.
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| 48. | They also have a pair of barbels usually located halfway down the snout.
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| 49. | They also have prominent barbels on the lip.
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| 50. | At the start of the century, Barbel have been introduced into the river.
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