Os Pinnotheridae de Santa Catarina e Rio Grande do Sul, Brasil (Decapoda, Brachyura)

Martins, Sidnei Terezinha S; D’Incao, Fernando

doi:10.1590/s0101-81751996000100001

Cited by 22 publications

(31 citation statements)

References 10 publications

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“…They are endo and/or ectosymbionts found associated with bivalves, gastropods, echinoderms, echiurids, brachiopods, balanoglossids and ascidians, and inside polychaets' tubes and crustacean burrows (SCHMITT et al, 1973;MANNING & MORTON, 1987;CAMPOS, 1990;HARRISON & HANLEY, 2005). Moreover, pinnotherid crabs are widely distributed along the marine coastal habitats of almost all oceans (SCHMITT et al, 1973;MARTINS & D'INCAO, 1996). Despite their ecological importance and their great diversity, the information about the population demography of the pea crabs is still scarce, especially about those species that inhabit the Atlantic coast of the Americas.…”

mentioning

confidence: 99%

Population dynamics of the pea crab Austinixa aidae (Brachyura, Pinnotheridae): a symbiotic of the ghost shrimp Callichirus major (Thalassinidea, Callianassidae) from the southwestern Atlantic

Peirò

Mantelatto

2011

Iheringia, Sér. Zool.

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The Pinnotheridae family is one of the most diverse and complex groups of brachyuran crabs, many of them symbionts of a wide variety of invertebrates. The present study describes the population dynamics of the pea crab Austinixa aidae (Righi, 1967), a symbiont associated with the burrows of the ghost shrimp Callichirus major (Say, 1818). Individuals (n = 588) were collected bimonthly from May, 2005 to September, 2006 along a sandy beach in the southwestern Atlantic, state of São Paulo, Brazil. Our data indicated that the population demography of A. aidae was characterized by a bimodal size-frequency distribution (between 2.0 and 4.0 mm and between 8.0 and 9.0 mm CW) that remained similar throughout the study period. Sex ratio does not differ significantly from 1:1 (p > 0.05), which confirms the pattern observed in other symbiontic pinnotherids. Density values (1.72 ± 1.34 ind. • ap.-1) are in agreement with those found for other species of the genus. The mean symbiosis incidence (75.6%) was one of the highest among species of the Pinnotheridae family, but it was the lowest among the three studied species of the genus. Recruitment pattern was annual, beginning in May and peaking in July, in both years, after the peak of ovigerous females in the population (from March to May). Our findings describe ecological and biological aspects of A. aidae similar to those of other species of this genus, even from different geographic localities.

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confidence: 99%

Population dynamics of the pea crab Austinixa aidae (Brachyura, Pinnotheridae): a symbiotic of the ghost shrimp Callichirus major (Thalassinidea, Callianassidae) from the southwestern Atlantic

Peirò

Mantelatto

2011

Iheringia, Sér. Zool.

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“…They describe the peculiar granular aspect of the lateral margins of the carapace but without providing an illustration of the third maxilliped. Martins and D'Incao (1996) have reported C. stebbingi from Brazil (São Paulo and Santa Catarina), with most specimens also collected from Clypeaster subdepressus (some specimens had no indication as far as host is concerned). Their illustration of a male also features minute granules distributed along the anterolateral portion of the carapace, and a small depression adjacent to the outer angle of each orbit, with minutes granules, is clearly observed on their illustration.…”

Section: Resultsmentioning

confidence: 99%

“…europacificus H.L. Clark, 1914, and on C. speciosus Verrill, 1870 (Griffith, 1987;Werding and Sanchez, 1989;Hendrickx, 1990;Martins and D'Incao, 1996).…”

Section: Introductionmentioning

confidence: 99%

New record of Clypeasterophilus stebbingi (Rathbun, 1918) (Decapoda: Brachyura: Pinnotheridae) from the east coast of Nicaragua

Hendrickx

Solis

2013

Nauplius

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-The pinnotherid crab Clypeasterophilus stebbingi (Rathbun, 1918), previously known from Florida, USA, Colombia and Brazil, is reported for the first time from Central America, on the east coast of Nicaragua. A single female specimen was collected on the sand dollar Clypeaster subdepressus (Gray, 1825), at 4 m depth, among turtle grass on sandy bottom. The specimen fits well with the description provided by M.J. Rathbun and observations made on photographs of the male holotype. Comparison of the material described from Florida (including the type material), Colombia and Brazil to the Nicaragua specimen, however, indicates that C. stebbingi shows some variation in the shape of the third maxilliped.

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“…Fenucci (1975 accordingly synonymized both species and his conclusions were later followed by Campos (1996). Martins & D'Incao (1998), as well as Melo (1998), Boschi et al (1992) and Bezerra et al (2006), subsequently revalidated both Melo's species. This study reassesses the conclusions of Martins & D'Incao (1998).…”

Section: Introductionmentioning

confidence: 99%

“…Martins & D'Incao (1998), as well as Melo (1998), Boschi et al (1992) and Bezerra et al (2006), subsequently revalidated both Melo's species. This study reassesses the conclusions of Martins & D'Incao (1998). Fabia felderi Gore, 1986, and Pinnotheres hemphilli (Rathbun, 1918), are re-described and the latter species is transferred to Fabia Dana, 1851.…”

Section: Introductionmentioning

confidence: 99%

Remarks on the sexual dimorphism and taxonomy of Fabia Dana, 1851 (Crustacea, Brachyura, Pinnotheridae)

Campos¹

2013

Zootaxa

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A study of the holotype of Pinnotheres hemphilli Rathbun, 1918, revealed it is an early post-hard female, not a male, of Fabia Dana, 1851. The morphology of Pinnotheres emiliai Melo, 1971 (based on a male specimen) and Fabia insularis Melo, 1971 (based on a female specimen) confirm earlier hypothesis that they belong to a sexually dimorphic species that should be known as F. emiliai (Melo, 1971). The redescription of the holotype of Fabia felderi Gore, 1986, supports its generic assignment and its relationship with F. emiliai. The implication of sexual dimorphism and intersexes in the taxonomy of Fabia is discussed.Key words: Crustacea, Pinnotheridae, sexual dimorphism, intersex, taxonomy, Fabia ResumenEl estudio del holotipo de Pinnotheres hemphilli Rathbun, 1918, reveló que éste es una hembra posdura, no un macho, perteneciente al género Fabia Dana, 1851. Las morfologías de Pinnotheres emiliai Melo, 1971 (basada sobre un espéci-men macho) y Fabia insularis Melo, 1971(basada sobre un espécimen hembra) confirman una hipótesis previa que ellos pertenecen a una especie sexualmente dimórfica que debe ser conocida como F. emiliai (Melo, 1971). La redescripción del holotipo de Fabia felderi Gore, 1986, apoya su asignación genérica y su relación con F. emiliai. Se discuten las implicaciones del dimorfismo sexual e intersexos en la taxonomía de Fabia.

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Os Pinnotheridae de Santa Catarina e Rio Grande do Sul, Brasil (Decapoda, Brachyura)

Cited by 22 publications

References 10 publications

Population dynamics of the pea crab Austinixa aidae (Brachyura, Pinnotheridae): a symbiotic of the ghost shrimp Callichirus major (Thalassinidea, Callianassidae) from the southwestern Atlantic

Population dynamics of the pea crab Austinixa aidae (Brachyura, Pinnotheridae): a symbiotic of the ghost shrimp Callichirus major (Thalassinidea, Callianassidae) from the southwestern Atlantic

New record of Clypeasterophilus stebbingi (Rathbun, 1918) (Decapoda: Brachyura: Pinnotheridae) from the east coast of Nicaragua

Remarks on the sexual dimorphism and taxonomy of Fabia Dana, 1851 (Crustacea, Brachyura, Pinnotheridae)

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