Egg and Larval Development of the Sea Bream Archosargus Rhomboidalis (Linnaeus): Pisces, Sparidae
Abstract:Development of the eggs and larvae of sea bream, Archosargus rhomboidalis, is described from laboratory-reared specimens. Meristics, morphometries, osteology, and pigmentation are considered during development. Mean egg diameter is 0.85 mm; newly hatched larvae range from 2.0 to 2.2 mm NL. Median fin development begins at 3.4 mm NL when parts of the caudal complex are first observed in cleared and stained specimens. All fin rays are present by 10.2 mm SL. Transformation from the larval to the juvenile stage was essentially completed by 13.3 mm SL, but scales and typical juvenile pigmentation were not present until nearly 20.0 mm SL. Some characters that distinguish A. rhomboidalis larvae from those of other sparids that may occur in South Florida waters are discussed.
Document Type: Research Article
Publication date: October 1, 1976
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