Spawning behavior of shira-uo Salangichthys microdon in captivity
نویسندگان
چکیده
منابع مشابه
Gamete Release and Spawning Behavior in Broadcast Spawning Marine Invertebrates
The release of eggs and sperm into the environment for external fertilization is common (Giese & Kanatani 1987) and thought to be the ancestral mating strategy (Wray 1995). Most phyla have at least some species that release sperm into the environment (free spawning or spermcasting) and a majority have representatives that also release eggs (broadcast spawning) for external fertilization (Levita...
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Six Asian elephants at the Oregon Zoo were observed to determine the effects of a poured rubber flooring substrate on captive Asian elephant behavior. Room utilization also was evaluated in seven rooms used for indoor housing, including Front and Back observation areas. Data were collected in three phases. Phase I (Baseline Phase) examined elephant behavior on old concrete floors. In Phase II (...
متن کاملthis study investigated the relationship between quality of work life and organization citizenship behavior from the viewpoint of teachers in high schools in tehran city.
چکیده هدف از پژوهش حاضر بررسی رابطه کیفیت زندگی کاری و رفتار شهروندی سازمانی در مدارس مقطع متوسطه پسرانه شهر تهران از دیدگاه دبیران بود. روش پژوهش حاضر توصیفی و از نوع همبستگی بود. از بین دبیران مدارس شهر تهران تعداد 380 نفر به روش نمونه گیری خوشه ای چند مرحله ای به عنوان نمونه پژوهش انتخاب شدند و با تکمیل پرسشنامه ی کیفیت زندگی کاری والتون(1975) و پرسشنامه ی رفتار شهروندی سازمانی پودساکو...
15 صفحه اولCompensatory cleaner-seeking behavior following spawning in female yellowtail damselfish
Marine reef fishes may spend a significant proportion of their daily activity budgets visiting cleaning stations. Nevertheless, the roles of ectoparasites and of interactions with cleaners in shaping patterns of diel activity in these fishes have been largely ignored, possibly because the importance of cleaning for the hosts remains controversial. In diurnal species, a peak in ectoparasite infe...
متن کاملBiology of Microdon Fuscipennis (diptera: Syrphidae) with Interpretations of the Reproductive Strategies of Microdon Species Found North of Mexico
—Two hundred and ninety six adults, larvae, and pupae of Microdon fuscipennis were collected and/or reared from nests of the dolichoderine ant, Iridomyrmex pruinosus (Roger). Observations are made on the distribution of M. fuscipennis in the ant nests, sex ratio (1:1), adult emergence, mating, number of eggs laid (x = 63), larval emergence from the egg, and predation (third-instar fly larvae fr...
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ژورنال
عنوان ژورنال: NIPPON SUISAN GAKKAISHI
سال: 2004
ISSN: 0021-5392,1349-998X
DOI: 10.2331/suisan.70.693