Early development stages of the scorpaenid fish, Scorpaena miostoma, reared in the laboratory.

概要

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Embryonic development and morphology of the eggs, egg masses and larvae of the scorpaenid fish, Scorpaena miostoma are described on the basis of the laboratory-reared specimens. The gelatinous egg mass is not bilobed but simple, oval and balloon-like in shape. It usually floats at or near the surface. The individual egg is colorless and ovoid in shape, measuring 0.86×0.75mm. Hatching occurs between ca. 34 and 40 hours after spawning at the water temperature of 22-24°C. A newly hatched larva measures 1.55mm in notochord length and has ca. 25 myo-meres. The finfold is balloon-like in shape and almost completely covers the larval body. Minute "cell-like" granules scatter on the findfold.
日本魚類学会の論文