Journal ArticleDOI
Structure and function of the third maxillipeds of the banana prawn Penaeus merguiensis
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The functions of the third maxilliped of Penaeus merguiensis de Man are described, which has a 6-segmented endopodite which is used in feeding, grooming and possible pheromone reception.Abstract:
The functions of the third maxilliped of Penaeus merguiensis de Man are described. It has a 6-segmented endopodite which is used in feeding, grooming and possible pheromone reception. In feeding, large pieces of food are gripped by the stout spines on inner borders of the ischia which hold them to the mouth so that particles can be torn off and ingested. All the distal segments have long setae used in grooming chelate pereiopods and the antennules. In mature males there is a tuft of about 300 slender setae at the end of the propus, but its function remains obscure.read more
Citations
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Journal ArticleDOI
Revising the definition of the crustacean seta and setal classification systems based on examinations of the mouthpart setae of seven species of decapods
TL;DR: The cuticular projections on the mouthparts of seven species of decapods are examined by scanning and transmission electron microscopy and a new definition is given: a seta is an elongate projection with a more or less circular base and a continuous lumen.
Journal ArticleDOI
Structure and function of cuticular sensilla of the lobster homarus americanus
TL;DR: Sensilla sensitive to mechanical but not to chemical stimuli include peg sensilla, which are small sensilla situated in articulated sockets within cuticular depressions and are distributed over the surface of the carapace, pereiopods, and maxillipeds, and mechanoreceptive sensilla include cuticular articulated peg organs (=CAP organs).
Book ChapterDOI
Penaeid taxonomy, biology ans zoogeography
Journal ArticleDOI
Consumption and digestion of suspended microbes by juvenile Pacific white shrimp Litopenaeus vannamei
TL;DR: Examination under the scanning electron microscope revealed that the third maxillipeds have net-like setae which could potentially select for microorganism > 10 μm in size, and it is hypothesized that these appendages may be used by juvenile L. vannamei to filter food particles.
Journal ArticleDOI
Non-olfactory chemoreceptors in asymmetric setae activate antennular grooming behavior in the Caribbean spiny lobster Panulirus argus.
Manfred Schmidt,Charles D. Derby +1 more
TL;DR: The identification of asymmetric setae and not aesthetascs as the drivers of chemically elicited antennular grooming suggests that it is not the olfactory pathway in the brain but a parallel pathway, constituted mainly by the lateral antennULAR neuropils, that is the neuronal substrate of this behavior.
References
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Journal ArticleDOI
The antennular sense organs of panulirus argus.
TL;DR: Electro-physiological experiments indicate that three types of proprioceptors are present in the antennular rami of Panulirus argus, and some indications have been given of the range of specificity and types of response shown by these units.
Journal ArticleDOI
The innervation of the aesthetasc hairs of Panulirus argus
M. S. Laverack,D. J. Ardill +1 more
TL;DR: The aesthetasc hairs that occur on the outer ramus of the antennule of Panulirus argus are heavily innervated, and dendrites pass up into the hair lumen.
Journal ArticleDOI
Ultrastructure of the Antennal Sensilla of Acetes (Crustacea, Decapoda, Natantia, Sergestidae)
E. E. Ball,A. N. Cowan +1 more
TL;DR: The morphology of the antenna and the ultrastructure of five types of antennal setae of the sergestid Acetes sibogae australis are described and setal function and arrangement are discussed in terms of the known behaviour and ecology of sergestids.
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Structure and function of the chelate pereiopods of the banana prawn Penaeus merguiensis
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