Wild-caught adult porkfish (Anisotremus virginicus, Haemulidae) were spawned in the laboratory and their larvae reared. A series of 35 larvae 2.4 mm NL to 21.5 mm SL from 2 to 30 days old or older (larvae of unknown age) was studied for pigmentation characteristics. Cleared and
stained specimens were examined for meristic and osteological development. Cartilaginous neural and haemal arches develop first anteriorly, at the center, and posteriorly, above and below the notochord, but ossification of the vertebral column is from anterior in a posterior direction. Epipleural
rib pairs develop from bone, but pleural rib pairs develop from cartilage first and then ossify. The second dorsal, anal and caudal fins develop rays first and simultaneously, followed by first dorsal fin spine development. The pectoral and pelvic fins are the last of all fins to develop rays.
All bones basic to a perciform pectoral girdle develop with cartilaginous radials present between the pectoral fin ray bases. Development and structure of pre dorsal bones and dorsal and anal fin pterygiophores were studied. All bones basic to a perciform caudal complex developed and no
fusion of any of these bones was observed in the adults. Radial cartilages developed ventrad in the hypural complex. The hyoid arches originated from cartilage but the branchiostegal rays formed from bone. The development and anatomy of the branchial skeleton were studied. Spines develop on
the four bones of the opercular series in larvae and juveniles but are absent in the adults.
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