REPRODUCTIVE BIOLOGY, SPERMATOGENESIS AND ULTRASTRUCTURE OF TESTES CARANX CRYSOS (MITCHILL,1815)
REPRODUCTIVE BIOLOGY, SPERMATOGENESIS AND ULTRASTRUCTURE OF TESTES CARANX CRYSOS (MITCHILL,1815) BY SAMIRA, S. A.SSEM* *National Institute OJOceanography and Fisheries, Alexandria Key words: Carangidae, Caranx crysos, reproductive biology. spermatogenesis~ Ultrastructure. ABSTRACT The maturity stages of Caranx crysos can be classified into six stages, as the fish have a long spawningperiod extendingfrom May to early Naven-the,.. All […]
POSSIBLE INVOL VEMENT OF SOMA TOLACTIN IN THE REGULATION OF SEXUAL MATURATION AND SPAWNING OF MUGIL CEPHALUS
POSSIBLE INVOL VEMENT OF SOMA TOLACTIN IN THE REGULATION OF SEXUAL MATURATION AND SPAWNING OF MUGIL CEPHALUS By MOSTAFA A. MOUSA*, SHAABAN A. MOUSA *Nationallnstitute ojOceanography and Fisheries, Aif:;xandrta, Egypt. Key words: Immunocytochemistry – Pituitary gland- SomatolactinMugU cephalus. ABSTRACT An antiserum to chum salmon somatolactin (SL) was usedfor ‘ . immunocytochemical investigation of SL cell […]
OCCURRENCE OF LINDANE AND ITS EFFECTS ON SOME HEMATOLOGICAL AND HISTOLOGICAL ASPEcrS OF TILAPIA ZILLII (GERV.)
OCCURRENCE OF LINDANE AND ITS EFFECTS ON SOME HEMATOLOGICAL AND HISTOLOGICAL ASPEcrS OF TILAPIA ZILLII (GERV.) BY MOURAD, M.*; ABDALLAH, M. AND ABD-ALLAH, A. *National Institute ofOceanography and Fisheries, Alexandria, Egypt. Key words: Lindane; insecticide; Bioaccumulation; Physiological response; Histological changes; Tilapia zillU. ABSTRACT Residues, lethal and sublethal toxicity of organochlorine insecticide lindane to Tilapia zillli […]
NET HEAT GAIN IN THE EASTERN MEDITERRANEAN SEA
NET HEAT GAIN IN THE EASTERN MEDITERRANEAN SEA By EID, F.M*.; A.F. SABRA; I.A. MAIYZA AND S.H. SHARAF EL-DIN. * Oceanography Department, Faculty a/SCience, Alexandria University, Alex:, Egyp Key words: Mediterranean, heat, air-sea interaction. ABSTRACT The net heat gain in the Eastern Mediterranean Sea is computed using subsurface oceanographic data and wind stress data. The […]
LITHOLOGICAL AND HYDROGEOPHYSICAL PARAMETERS OF MARINE SEDIMENTS OFSHARM EL-SHEIKHAREA, RED SEA COAST OF EGYPT
LITHOLOGICAL AND HYDROGEOPHYSICAL PARAMETERS OF MARINE SEDIMENTS OFSHARM EL-SHEIKHAREA, RED SEA COAST OF EGYPT By SHATA, M. A.* AND HUSSEIN, S. A. *National Institute ofOceanography andFisheries, Alexanuiia, Egypt. Key word: Lithology, marine sediments, hydrogeophysical, Sharm EI-Sheikh. ABSTRACT Fifty six sediment samples, taken from seven boreholes drilled in Sharm EI-Sheikh basin, are subjected to laboratory measurements […]
HORMONAL INDUCTION OF OOCYTE FINAL MATURATION AND OVULATION IN THIN-LIPPED GREY MULLET, LIZA RAMADA (Risso)
HORMONAL INDUCTION OF OOCYTE FINAL MATURATION AND OVULATION IN THIN-LIPPED GREY MULLET, LIZA RAMADA (Risso) By MQSTAFA A. MODSA* *National Institute ofOceanography and fisheries, Alexant{ria. Key words: Oocyte, maturation, ovulation, immunocytochemistry, pituitary gland, Liza ramada (Teleostei). ABSTRACT The application ofa high potency synthetic analogue ofluteinizing . hormone-releasing hormone (LHRH-a) in combination with human chorionic gonadotropin […]
FOOD AND FEEDING HABITS OF BARRACUDAS IN THE EGYPTIAN MEDITERRANEAN WATERS, OFFALEXANDRIA.
FOOD AND FEEDING HABITS OF BARRACUDAS IN THE EGYPTIAN MEDITERRANEAN WATERS, OFFALEXANDRIA. By S. M. ALLAM*; S. N. FALTAS AND E. RAGHEB *National Institute ofOceanography andFisheries, Alexandria, Egypt. Key words: S. chrysotaenia, S. jlavicauda, S. sphyraena, S. viridensis, feeding habits. ABSTRACT Food preferences of four species of barracudas; SphyraelUl chrysotaenia, Sphyraena jlavicauda, Sphyraena sphyraena and […]
