Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Itsuro UOTANI"'
Publikováno v:
NIPPON SUISAN GAKKAISHI. 70:592-597
1998年級から2001年級までのサクラエビの資源量を, 体長組成および漁獲量データなどに基づいて, Virtual population analysisによって推定した。各年級の漁獲加入時の資源尾数 (重量) は1998年級
Publikováno v:
Ichthyological Research. 50:186-189
A pelagic juvenile (43.0 mm standard length) of the deep-sea gadiform fish Halargyreus johnsonii was collected by a larva net towed at depths from 200 m to 90 m at Suruga Bay, Japan. The specimen had an elongate body, eyes located dorsally on the hea
Publikováno v:
NIPPON SUISAN GAKKAISHI. 69:376-379
飼育下においてサクラエビ成体の脱皮について調べた。脱皮率は水温10°Cで13.0%,14°Cで47.3%, 22°Cで77.2%であり,水温の上昇にともない高くなった。1日の水温を昼12°C-夜18°C,および昼18°C-夜12
Publikováno v:
Ichthyological Research. 49:159-164
The early ontogeny of Lophonectes gallus (Bothidae) is described based on 83 specimens (1.9–17.5 mm BL), collected from the Tasman Sea off southeastern Australia. The larvae are diagnosed by the following array of characters: vertebrae 10 + 30–31
Publikováno v:
Fisheries Science. 66:294-298
SUMMARY: Positive taxis toward turbid seawater (turbiditaxis) is a well-known key factor in the formation of Shirasu (Japanese anchovy larvae, Engraulis japonicus) fisheries in coastal waters. The physical characteristics of turbid seawater, includin
Publikováno v:
NIPPON SUISAN GAKKAISHI. 71:378-380
飼育下でマアナゴ葉形仔魚の変態にともなう行動の変化について検討した。変態I・II期のマアナゴは,昼間では水槽の下層に,夜間では水槽の上層に多く分布し,明瞭な日周鉛直性を有
Publikováno v:
NIPPON SUISAN GAKKAISHI. 70:66-68
Publikováno v:
NIPPON SUISAN GAKKAISHI. 60:73-78
The response and behavior of postlaval Japanese anchovy (shirasu) to differences in turbidity, prey density, and salinity were studied with the aim of understanding the formation mechanisms of shirasu fishing grounds. An experimental tank was compose
Publikováno v:
NIPPON SUISAN GAKKAISHI. 57:1241-1245
To clarify the factors influencing variation in gut content characteristics of Scomber japonicus larvae collected in the daytime off Sendai City, Kagoshima Pref., Quantification I analysis was made with 4 main food organisms (Appendicularia, Crustace
Publikováno v:
NIPPON SUISAN GAKKAISHI. 56:713-717
This study examined the gut contents of 1, 939 larvae (2.28-14.60mm in total length) of bluefin tuna Thunnus thynnus collected in 1981 and 1982 by larva-net tows in the waters around Nansei Islands, and described their feeding condition and morpholog