Comparison of non-type specimens of A Hippocampus procerus CAS 241511, preserved adult female, 142.7 mm SL, Southport, QLDB Hippocampus procerus CAS 241512, preserved juvenile, 112.7 mm SL, Southport, QLD1 Hippocampus whitei PSFC-DH-1, preserved adult male, 122.1 mm SL, Nelson Bay, NSWD Hippocampus whitei CAS PSFC-DH-2, preserved subadult female, 47.7 mm SL, Nelson Bay NSW. Note the differences in coronet profile between juvenile/subadult and adult: projecting anteriad in juvenile/subadult versus lower or projecting posteriorly in adults.