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Unique Characters: Deep, slightly compressed body covered by moderately thick skin with numerous small scales not individually distinguishable to the unaided eye. Each scale bearing upright spinules and having a roughly shagreen-like appearance. Scales above pectoral-fin base not enlarged or otherwise modified, like scales of rest of the body. Six dorsal-fin spines, gradually decreasing in length from large 1st spine to small 6th spine, which may be inconspicuous. Spines capable of being locked in an upright position by downward pressure on their pterygiophore supports, but 2nd spine not directly locking 1st spine. Most dorsal-, anal- and pectoral-fin rays branched. Pelvic fins with a large spine and 1 or more relatively inconspicuous and rudimentary rays.
Similar Species: None