| 31. | The dermal denticles are widely spaced, with three points and a median ridge.
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| 32. | The skin is soft and lacks dermal denticles.
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| 33. | The skin is covered with tiny dermal denticles that give the fish a rough texture.
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| 34. | The dorsal surface is covered with dermal denticles with a central ridge of thorny protuberances.
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| 35. | The dermal denticles are large and rough, particularly on the sides of the body.
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| 36. | The bases of the calcified dermal denticles.
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| 37. | The skin is thick and covered by well-calcified leaf-like dermal denticles.
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| 38. | The skin is thick and covered by well-calcified arrowhead-shaped dermal denticles.
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| 39. | The calcified leaf-shaped dermal denticles.
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| 40. | The skin is devoid of dermal denticles.
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