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Free Content Egg and Larval Development of the Sea Bream Archosargus Rhomboidalis (Linnaeus): Pisces, Sparidae

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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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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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