Larval settlement of the tropical abalone, Haliotis asinina Linnaeus, using natural and artificial chemical inducers

Praphaporn Stewart; Nantawan Soonklang; Michael J. Stewart; Chaitip Wanichanon; Peter J. Hanna; Tanes Poomtong; Prasert Sobhon

doi:10.1111/j.1365-2109.2008.01982.x

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Larval settlement of the tropical abalone, Haliotis asinina Linnaeus, using natural and artificial chemical inducers

Journal article

Peer reviewed

Larval settlement of the tropical abalone, Haliotis asinina Linnaeus, using natural and artificial chemical inducers

Praphaporn Stewart, Nantawan Soonklang, Michael J. Stewart, Chaitip Wanichanon, Peter J. Hanna, Tanes Poomtong and Prasert Sobhon

Aquaculture Research, Vol.39(11), pp.1181-1189

2008

DOI: https://doi.org/10.1111/j.1365-2109.2008.01982.x

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Abstract

Haliotis asinina

larval settlement

5-AVA

GABA

L-glutamic acid

MSG

Many kinds of chemical and biological materials have been used as inducers of settlement of abalone larvae, as well as other species of marine gastropods, with responses being highly variable, even to the same chemical cue. The present study tested chemical inducers, gamma-aminobutyric acid (GABA), delta-aminovaleric acid (5-AVA) and l-glutamic acid (GA) and the effects they have on larval settlement of Haliotis asinina. Additionally, a relatively inexpensive commercial substance, monosodium glutamate (MSG), was trialed. The datum provided shows all chemicals to be active inducers of settlement in this study, in order of effectiveness of 5-AVA, GABA, MSG to GA. Induction as adjudged from larval numbers settled was best at 6 h 62%, with 10(-1) mM 5-AVA. At 24 h, induction was the highest at 78% when exposed to 10(-2) mM 5-AVA. Larvae that were allowed to settle up to 72 h showed the highest numbers of settled larvae, and declined back to 60% when exposed to 10(-2) 5-AVA and 10(-1) mM GABA respectively. Monosodium glutamate, although third in settlement standings would bypass the other chemicals, with regard to cost versus yield. The assessment of settlement surface, rough or smooth proved to be irrelevant, which had no significant impact on larval settlement.

Details

Title: Larval settlement of the tropical abalone, Haliotis asinina Linnaeus, using natural and artificial chemical inducers
Authors: Praphaporn Stewart (Author) - Mahidol University
Nantawan Soonklang (Author) - Thammasat University
Michael J. Stewart (Author) - Deakin University
Chaitip Wanichanon (Author) - Mahidol Univ, Fac Sci, Dept Anat, Bangkok 10400, Thailand
Peter J. Hanna (Author) - Deakin Univ, Sch Life & Environm Sci, Geelong, Vic 3217, Australia
Tanes Poomtong (Author)
Prasert Sobhon (Corresponding Author) - Mahidol University
Publication details: Aquaculture Research, Vol.39(11), pp.1181-1189; 9
Publisher: Wiley-Blackwell Publishing Ltd.
DOI: 10.1111/j.1365-2109.2008.01982.x
ISSN: 1365-2109
Organisation Unit: Centre for Bioinnovation; University of the Sunshine Coast, Queensland; School of Science, Technology and Engineering
Language: English
Record Identifier: 99679198402621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Fisheries

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