Characteristics of palinurids (Decapoda; Crustacea) in larval culture

Complete development of phyllosomas wasaccomplished in Palinurus elephas, Panulirus japonicus, Jasus edwardsii and J. verreauxi. Larval development differsbetween species in duration and moult frequency aswell as morphology. The highest percent survival was obtained during the phyllosoma stage forJ....

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Bibliographic Details
Published in:Hydrobiologia 1997-12, Vol.358 (1-3), p.305-311
Main Authors: Kittaka, J. (Tokyo Science Univ., Hokkaido (Japan). Research Inst. for Marine Biological Science), Abrunhosa, F.A
Format: Article
Language:English
Subjects:
ACUICULTURA
Animal aquaculture
Animal productions
AQUACULTURE
Biological and medical sciences
Crustacea
Fundamental and applied biological sciences. Psychology
Invertebrate aquaculture
JASUS
Jasus edwardsii
Jasus verreauxi
LARVAE
Larval development
LARVAS
LARVE
Marine
PALINURUS
Palinurus elephas
PANULIRUS
Panulirus japonicus
Predators
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Summary:Complete development of phyllosomas wasaccomplished in Palinurus elephas, Panulirus japonicus, Jasus edwardsii and J. verreauxi. Larval development differsbetween species in duration and moult frequency aswell as morphology. The highest percent survival was obtained during the phyllosoma stage forJ. verreauxi. Phyllosomas of P. elephas were the mostdifficult to cultureregardless of the fact that they hatch at arelatively advanced stage. Culture experiments werecarried out to improve the percent survival of P. elephas. First instars of P. elephasexhibited vigorous predation upon the larvae ofJapanese sandfish Arctoscopus japonicus.Duration of the first instar was shorter at 12.8days when reared at 18 °C and percent survival wasapproximately 30%. Better results were obtainedfor first instars cultured in water inoculated withChaetoceros sp. and fed enriched Artemianauplii. Phyllosomas of J. edwardsii and P. japonicus were cultured without particulardifficulty. Most distinguishing features of P. elephasis the heavily setose six or seven longspines on the distal edges of the scaphognathite ofthe second maxillae while only four long spines arefound in other species. These facts suggest thatphyllosomas of P. elephas are initiallyplankton feeders and from first instar becomerapacious predators.[PUBLICATION ABSTRACT]
ISSN:0018-8158
1573-5117
DOI:10.1023/A:1003158001020