1 - 7 of 7 articles
Summary The influence of different culture systems on the amount of plankton consumed by fingerlings of three carp species (Labeo rohita, Catla catla and Cirrhinus mrigala) was examined in outdoor culture tanks during a 90 day growing period. The fish were raised under two basically different...
Summary A total of 399 parrot fishes (Sparisoma cretense) were collected by trammel bottom nets between April 1985 and October 1986 off Kastellorizo Island (Dodecanese, Greece). The fishes were measured, sexed and aged, to determine some population parameters, such as growth, mortality and...
Summary A total of 2,851 fishes belonging to 34 species and weighing 177.15 kg were caught between July 1983 and June 1984 near Kohr al‐Zubair in the northwestern Arabian Gulf, using four types of fixed gillnets with different mesh sizes. Four species (Thryssa hamiltoni, Liza macrolepis, T....
Summary Fish larvae are often hard to identify because body proportions and pigmentation may change considerably in the course of larval development. Modern relational databases provide features such as choice fields (only one choice from a list of predefined entries is allowed for a field),...
Summary The efficacy of the synthetic estrogen, diethylstilbestrol (DES), for sex‐reversal in the Java tilapia, Oreochromis mossambicus was investigated. Fry of 8–10 mm total length were fed diets containing 25, 50 and 100 ppm of DES for 30 days in plastic pools; this was followed by 45–65 days...
Summary Tilapia species and their hybrids had Mo2 s between 44.4 and 84.2 mg kg‐0.8d‐1 at comparable temperatures. With one exception (O. aureus times S. galilaeus), the standard metabolic rate (SMR) tended to be higher than that of the purebred species. The scope for spontaneous activity (SSA)...
Summary Six estuarine fish species common to Chesapeake Bay in Maryland and Virginia, USA were exposed to electromagnetic pulses (EMP) of 100‐kv/m airfield strength at a risetime of ca. 10 nanoseconds per pulse. EMP was derived from a 2‐stage Marx generator. Results infer that acute mortality...
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