Daily ration of Japanese Spanish mackerel Scomberomorus niphonius larvae.

• SHOJI JUN

  Laboratory of Marine Stock-enhancement Biology, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University

• MAEHARA TSUTOMU

  Toyo Branch, Ehime Prefecture Chuyo Fisheries Experimental Station Agricultural Administration and Fisheries Division, Uwajima Regional Office

• AOYAMA MITSUHIRO

  Laboratory of Marine Stock-enhancement Biology, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University

• FUJIMOTO HIROSHI

  Yashima Station, Japan Sea-farming Association

• IWAMOTO AKIO

  Yashima Station, Japan Sea-farming Association

• TANAKA MASARU

  Laboratory of Marine Stock-enhancement Biology, Division of Applied Biosciences, Graduate School of Agriculture, Kyoto University

抄録

Diel successive samplings of Japanese Spanish mackerel Scomberomorus niphonius larvae were conducted throughout 24 h both in the sea and in captivity in order to estimate their daily ration. Using the Elliott and Persson model, the instantaneous gastric evacuation rate was estimated from the depletion of stomach contents (% dry bodyweight) with time during the night for wild fish (3.0-11.5 mm standard length) and from starvation experiments for reared fish (8, 10, and 15 days after hatching (DAH)). Japanese Spanish mackerel is a daylight feeder and exhibited piscivorous habits from first feeding both in the sea and in captivity. Feeding activity peaked at dusk. The estimated daily ration for wild larvae were 111.1 and 127.2% in 1996 and 1997, respectively; and those for reared larvae ranged from 90.6 to 111.7% of dry bodyweight. Based on the estimated value of daily rations for reared fish, the total number of newly hatched red sea bream Pagrus major larvae preyed by a Japanese Spanish mackerel from first feeding (5 DAH) to beginning of juvenile stage (20 DAH) in captivity was calculated to be 1139-1404.

収録刊行物

• Ｆｉｓｈｅｒｉｅｓ　ｓｃｉｅｎｃｅ

  Ｆｉｓｈｅｒｉｅｓ　ｓｃｉｅｎｃｅ 67 (2), 238-245, 2001

  公益社団法人 日本水産学会

キーワード

• consumption
• daily ration
• feeding
• gastric evacuation rate
• Japanese Spanish mackerel
• larvae
• Scomberomorus niphonius
• Seto Inland Sea

詳細情報

• CRID: 1390001204429199616
• NII論文ID: 10008268480
• NII論文ID: 130003742332
• NII論文ID: 30014677770
• NII書誌ID: AA10993718
• DOI: 10.1046/j.1444-2906.2001.00246.x
• COI: 1:CAS:528:DC%2BD3MXjs1WqtLY%3D
• ISSN: 14442906
• ISSN: 09199268
• NDL書誌ID: 5750574
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I5750574
• 本文言語コード: en
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• 抄録ライセンスフラグ: 使用不可