Population Characteristics and Fecundity Estimates of Short-spined White Sea Urchin, Salmacis sphaeroides (Linnaeus, 1758) from the Coastal Waters of Johor, Malaysia
نویسندگان
چکیده
منابع مشابه
Effects of Salinity on Embryonic and Early Larval Development of a Tropical Sea Urchin, Salmacis sphaeroides
Effects of salinity on fertilization, embryonic stage, and early larval development and growth performances of short-spined white sea urchin, Salmacis sphaeroides were conducted under a controlled laboratory condition. The experiment was carried out with seven salinity treatments (15, 20, 25, 30, 35, 40 and 45 PSU), each of which was triplicated. Significantly highest fertilization success was ...
متن کاملEffects of Salinity on Embryonic and Early Larval Development of a Tropical Sea Urchin, Salmacis sphaeroides
Effects of salinity on fertilization, embryonic stage, and early larval development and growth performances of short-spined white sea urchin, Salmacis sphaeroides were conducted under a controlled laboratory condition. The experiment was carried out with seven salinity treatments (15, 20, 25, 30, 35, 40 and 45 PSU), each of which was triplicated. Significantly highest fertilization success was ...
متن کاملEmbryonic, Larval, and Early Juvenile Development of the Tropical Sea Urchin, Salmacis sphaeroides (Echinodermata: Echinoidea)
Salmacis sphaeroides (Linnaeus, 1758) is one of the regular echinoids, occuring in the warm Indo-West Pacific, including Johor Straits, between Malaysia and Singapore. In order to investigate the developmental basis of morphological changes in embryos and larvae, we documented the ontogeny of S. sphaeroides in laboratory condition. Gametes were obtained from adult individuals by 0.5 M KCl injec...
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On July 1, 2008, a new-born great white shark was captured by a commercial gill-netter off the coast of Altınoluk (Edremit Bay, north Aegean Sea), followed by the capture of another juvenile three days later at the same locality during a haul of bottom long-line set by the same fisherman. Before the present study, the smallest free-living white shark from the Mediterranean Sea appeared to be a ...
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Length composition data of narrow-barred Spanish mackerel, Scomberomorus commerson (Lacepede 1800), landed between April 2002 to March 2004, were monthly used to estimate the growth, mortality and exploitation parameters of the stock. Maximum fork length and weight were 170 cm and 38 kg, respectively. Nonlinear least square fitting provided a complete set of von Bertalanffy growth estimates: L&...
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ژورنال
عنوان ژورنال: Asian Journal of Animal and Veterinary Advances
سال: 2013
ISSN: 1683-9919
DOI: 10.3923/ajava.2013.301.308