| 21. | The ventral surface glows, which is thought to provide camouflage and confuse predators.
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| 22. | Its dorsal surface is medium brown, with a lighter ventral surface.
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| 23. | The ventral surface was white or cream, occasionally with yellow blotches.
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| 24. | A duct like process is present from the ventral surface to the urogenital opening.
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| 25. | The ventral surface is yellow, tending black towards the tail.
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| 26. | Its ventral surface is gray with black on its chest.
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| 27. | The duct like process on the ventral surface of the swim bladder is present.
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| 28. | Furthemore, the ventral surfaces are paler than the dorsal surfaces.
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| 29. | The ventral surface is faintly marbled black and white.
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| 30. | The tubenose goby is flattened on the ventral surface.
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