Morphology of the first zoeal stage of the commensal southwestern Atlantic crab Austinixa aidae (Righi 1967) (Brachyura: Pinnotheridae), hatched in the laboratory

Mantelatto, Fernando L.; Cuesta, José A.

doi:10.1007/s10152-010-0189-0

Cited by 7 publications

(4 citation statements)

References 22 publications

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“…Several authors considered some species as commensals (Feldmann et al, 1996;Baeza, 1999;Mantelatto and Cuesta, 2010), while others refer to other species as parasites, family Pinnotheridae is far from complete. Pinnotherids, which feed on particles that have been filtered and accumulated in the mucus by the host, usually a bivalve, are perhaps the most well-known marine kleptoparasites (Iyengar, 2008).…”

Section: Introductionmentioning

confidence: 99%

Living with a crab: effect of Austinotheres angelicus (Brachyura, Pinnotheridae) infestation on the condition of Saccostrea palmula (Ostreoida, Ostreidae)

2014

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-Some members of the Pinnotheridae family exhibit close symbiotic relationships with bivalves, which may cause severe damage to the mollusk. The condition index (CI) is a tool that serves to evaluate the effect of biotic and abiotic factors on the morphology and physiology of mollusks, including those caused by symbiotic organisms. In the present study, we evaluated the effects of the infestation of the pinnotherid crab Austinotheres angelicus on the oyster Saccostrea palmula through monthly sampling (April to November 2012) in Punta Morales, Pacific coast of Costa Rica. A total of 245 oysters were analyzed, of which 38% were infested by the pinnotherid crab. Most of the oysters analyzed (92%) varied in depth between 1.5 and 15.0 mm; 89% of the infested oysters were in this depth range. The prevalence was positively correlated with the depth of the oyster. Our results revealed that crab infestation could reduce the CI by 11 to 33%. The obtained findings suggest that the infestation by A. angelicus provokes alterations of the flesh production of the oyster, especially when the association is with a pair of crabs including an ovigerous female. The association of A. angelicus with S. palmula is best described as facultative parasitism for male crabs and obligatory parasitism for females.

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Section: Introductionmentioning

confidence: 99%

Living with a crab: effect of Austinotheres angelicus (Brachyura, Pinnotheridae) infestation on the condition of Saccostrea palmula (Ostreoida, Ostreidae)

2014

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“…More importantly, pinnotherid crabs have a complex life history characterized by a postlarval life habit alternating between free‐swimming and internal symbiont habits. The dramatically different morphology of these two phases has led to taxonomic errors (Campos, ; Mantelatto & Cuesta, ). The phylogenetic position of some members is still unclear and under active discussion (Palacios‐Theil et al ., ), and the use of DNA characters is an excellent additional tool that complements taxonomy inferred from morphological traits.…”

Section: Introductionmentioning

confidence: 99%

Phylogeny, phylogeography, and systematics of the American pea crab genusCalyptraeotheres Campos, 1990, inferred from molecular markers

et al. 2013

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We used mitochondrial cytochrome oxidase I (COI) and the large ribosomal subunit (16S) genes to establish evolutionary relationships amongst species of Calyptraeotheres, evaluate their usefulness as DNA‐barcoding genes, and assess molecular diversity at the population level within Calyptraeotheres garthi. Bayesian, maximum likelihood, and maximum parsimony phylogenies confirmed the monophyly of Calyptraeotheres, showing that the ancestor of C. garthi, Calyptraeotheres hernandezi, and Calyptraeotheres granti radiated after the formation of the Panamanian isthmus. This finding contradicts the austral/tropical hypothesis previously proposed based on morphological data. The COI and 16S distance matrices supported separation of species as well as the genera, and corroborated that DNA barcoding is a useful tool and complements the classical taxonomy in Pinnotheridae. Phylogenetic and genetic distance analyses suggested that C. hernandezi is a junior synonym of C. garthi. Finally, C. garthi did not show a population structure across its distribution range, and showed a pattern consistent with a recent population expansion event that began 230–300 Kya. © 2013 The Linnean Society of London

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“…Studies that provide a description of the first larval stage of decapods are essential to the identification of these larvae in meroplankton samples. A number of studies of this type are currently available in the literature (Rodrigues, 1994; Sankarankutty et al , 1999; Lopes et al , 2000; Guerao et al , 2001; Hong et al , 2001; Fransozo et al , 2002; Martins & Calazans, 2003; Negreiros-Fransozo et al , 2009; Mantelatto & Cuesta, 2010). However, there is much left to describe in order to understand the complete development of the majority of decapod species.…”

Section: Discussionmentioning

confidence: 99%

“…The description of larval morphology is one of the keys to the elucidation of the lifecycle, taxonomy and systematics of diverse species of decapods and is fundamental to phylogenetic analyses (Mantelatto & Cuesta, 2010). There is little knowledge on the larval biology of thalassinidean species (Ngoc-Ho, 1981; Thessalou-Legaki, 1990; Abrunhosa et al , 2008a) and only about one-third of larval accounts comprise complete larval descriptions of species (Pohle et al , 2011).…”

Section: Introductionmentioning

confidence: 99%

Description of early larval stages of Upogebia vasquezi (Gebiidea: Upogebiidae) reared in laboratory

Oliveira

Martinelli

Abrunhosa³

2011

J. Mar. Biol. Ass.

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Upogebia vasquezi inhabits the western Atlantic in the regions of southern Florida, the Bahamas, Central America and Brazil (from the States of Maranhão to São Paulo). Its occurrence has been extended to the coastal region of the State of Pará (northern Brazil). There are few descriptions of the larval development of the 116 known species of Upogebia. The present study offers the first description and illustrations of the first two larval stages (zoeas I and II) of U. vasquezi reared in laboratory. The larval features of U. vasquezi were compared with those of two other species of Upogebia, revealing very similar morphological characteristics among species in zoea I. The main variation in this larval stage was in the segmentation of the maxillulary endopod. In zoea II, the number of setae on the scaphognathite was different among some species of Upogebia. The present study contributes to the available literature on the identification of thalassinidean larvae.

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Morphology of the first zoeal stage of the commensal southwestern Atlantic crab Austinixa aidae (Righi 1967) (Brachyura: Pinnotheridae), hatched in the laboratory

Cited by 7 publications

References 22 publications

Living with a crab: effect of Austinotheres angelicus (Brachyura, Pinnotheridae) infestation on the condition of Saccostrea palmula (Ostreoida, Ostreidae)

Living with a crab: effect of Austinotheres angelicus (Brachyura, Pinnotheridae) infestation on the condition of Saccostrea palmula (Ostreoida, Ostreidae)

Phylogeny, phylogeography, and systematics of the American pea crab genusCalyptraeotheres Campos, 1990, inferred from molecular markers

Description of early larval stages of Upogebia vasquezi (Gebiidea: Upogebiidae) reared in laboratory

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