Cited by 110Aquaculture Nutrition and GrowthFish Biology and Ecology StudiesMarine and fisheries research

Preliminary Observations on Development of Pacific Bluefin Tuna Thunnus thynnus (Scombridae) Larvae Reared in the Laboratory, with Special Reference to the Digestive System

Kaji, T, Tanaka, M, Takahashi, Y, Oka, M, Ishibashi, N·1996·Marine and Freshwater Research

Abstract

Pacific bluefin tuna larvae (Thunnus thynnus) were experimentally reared from 2-day-old yolk-sac larvae through 30-day-old early juveniles in June and July 1994. The larvae initially fed on rotifers on Day 3 and Artemia nauplii, fish eggs and larvae around Day 13, and thereafter were fed Artemia larvae and an artificial diet. The larvae had transformed to the juvenile stage after 30 days. The primitive digestive system differentiated on Day 3. The gastric gland and pyloric caeca first appeared on Day 11 and 14, respectively. The pharyngeal and jaw teeth became fully functional with gastric gland differentiation. The number of gastric glands and pyloric caeca and volume of the gastric blind sac increased markedly with development to the juvenile stage. Although the external morphological development of the tuna resembles the pattern of many other marine fish larvae, the basic digestive system developed at an earlier larval stage; this precocity may relate to the early appearance of piscivory and the high growth potential of tuna larvae.

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Crossref · 10.1071/mf9960261

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Authors
Kaji, T., Tanaka, M., Takahashi, Y., Oka, M., & Ishibashi, N.
Venue
Marine and Freshwater Research
Published
1996-03-01
Volume
47
Issue
2
Pages
261-269
ISSN
  • 1323-1650 (ISSN-L)
  • 1448-6059
OpenAlex
W2013536607
Cited by
110
References
0
Citations by year
2026: 1 · 2025: 1 · 2024: 1 · 2023: 2 · 2022: 3 · 2021: 2 · 2020: 3 · 2019: 5 · 2018: 3 · 2017: 9 · 2016: 3 · 2015: 5 · 2014: 7 · 2013: 6 · 2012: 3
FWCI
3.61
Type
journal article
Language
en
Open access
closed
Locations
Marine and Freshwater Research (publishedVersion)
Funders
Southeast Fisheries Science Center
Topics
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Fish Biology and Ecology Studies
  • Physical Sciences › Environmental Science › Global and Planetary Change › Marine and fisheries research
Keywords
Pacific bluefin tuna, Thunnus thynnus, larval development, digestive system, gastric glands, pyloric caeca, pharyngeal teeth, jaw teeth, yolk-sac larvae, juvenile stages, piscivory, artificial diet, Artemia nauplii, rotifers, fish larvae rearing

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