@article{oai:ir.kagoshima-u.ac.jp:00012781, author = {肥後, 伸夫 and 寺田, 和彦}, issue = {1}, journal = {鹿児島大学水産学部紀要=Memoirs of Faculty of Fisheries Kagoshima University}, month = {2016-10-31}, note = {From May to June 1984, diving observations were carried out on 5 staions off the coast of Arahito Saki, in Sato Mura of North Koshiki Islands, western part of Kagoshima Prefecture, to observe the spawning grounds of Blue Sprats. It was found that Blue Sprat's Spratelloides japonicus spawning ground is at 13 meters depth. From the observations the following results were obtained : (1) The bottom sediment of the spawning ground is of very coarse sand with diameter showing below the 0φ value. Sand ripples of about 60 cm wave lengths are also formed. (2) The spawned eggs stick to each other intensly forming 5 to 8 mm adhesive layers resembling plates. Each egg mesures ca. 1 mm dia. and 104 eggs existed in a square centimeter (104/㎠). Besides this only a few eggs were observed, adhered to algae., 昭和59年5月29日,甑島里村荒人埼沖,水深13mにおいて,キビナゴ産卵場を視認し,下述のような知見を得た。(1) 産卵場の底質は極粗砂,Mdφ値は0φ以下で,その海底面には波長約60cmの砂蓮が形成されていた。(2) 卵の着床状態は厚さ5~8mmの板状をなし,その粘着の度合は強い。卵数は104粒/c㎡程度,卵径は平均1mmである。なお海藻への付着はかなり少ない。}, pages = {97--109}, title = {甑島周辺海域におけるキビナゴ漁業に関する研究 I : 荒人埼沖の産卵場における卵の着床について}, volume = {34}, year = {} }