Bill short, depressed, very wide at base, commissure slightly decurved. [Please select]
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Bill much shorter than head, tapering rapidly to broad, decurved nail at tip. [Please select]
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Bill slender and much decurved; tail usually pointed and stiffened. [Please select]
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The hybrid is intermediate in curvature of the lateral line, which is nearly straight in _Rhinichthys_ and strongly decurved in _Gila_. [Please select]
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Bill rather stout, short, not very broad at base; upper mandible decurved towards point, which is slightly emarginate; nostrils basal, lateral, oval, and exposed; gape with bristles. [Please select]
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