| 1. | The ventral surface ranges from white to slightly lighter than the sides.
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| 2. | Its ventral surface is pale, often with dark mottling along the sides.
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| 3. | The tongue can also divide it self in dorsal and ventral surface.
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| 4. | Individuals tend to be flattened, with cirri confined to the ventral surface.
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| 5. | Once preserved in alcohol, the ventral surfaces are cream colored and unmarked.
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| 6. | The tubenose gobies have a cylindrical body with a flattened ventral surface.
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| 7. | They have olive to bright green dorsal surfaces with white ventral surfaces.
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| 8. | The dorsal surface was generally darker than the lateral and ventral surfaces.
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| 9. | The tail has irregular dusky blotches or a dark gray ventral surface.
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| 10. | Its ventral surface ranges from dull white to yellow to light green.
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