Reproductive biology of Mithrax forceps (A. Milne-Edwards, 1875) (Crustacea: Decapoda: Majidae)

Reyes, Isabel; Palazón-Fernández, José L.; Curvelo, J. A. Bolaños; Hernández, Jesús

doi:10.7773/cm.v27i1.391

Cited by 7 publications

(12 citation statements)

References 11 publications

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“…This has been reported for C. bairdii (Donaldson et al, 1981), Mithraculus forceps (A. Milne Edwards, 1875), (Hernández-Reyes et al, 2001) and Acanthonyx scutiformis (Dana, 1851) (Monteiro-Texeira et al, 2009). Similarly, the males of L. pentagona attained morphological maturity and reached a maximum size at larger CL than females, possibly related to female holding during mating.…”

Section: Discussionmentioning

confidence: 94%

“…Spider crabs have a lower fecundity compared to other brachyurans, but this is compensated by a large egg size (Hines, 1982). The small spider crabs M. forceps (Hernández-Reyes et al, 2001) and Stenorhynchus seticornis (Herbst, 1788) (Okamori & Cobo, 2003). have a similar eggs size but a minnor fecundity that L. pentagona.…”

Section: Discussionmentioning

confidence: 97%

“…According to Wear (1974) egg diameter increase is due to the osmotic absorption of water. This was particularly observed in S. seticornis (Okamori & Cobo 2003), Microphrys bicornutus Latreille, 1825 (López-Greco et al, 2000) and Mithrax forceps (A. Milne Edwards, 1875) (Hernández-Reyes et al, 2001) among other decapods species.…”

Section: Discussionmentioning

confidence: 99%

“…Populations subjected to seasonal variations must adjust their life cycle to take advantage of more favourable conditions (Sastry, 1983). The presence of multiple spawnings and ovigerous females all year round have been reported for some low-latitude species of Majoidea, such as Microphrys bicornutus Latreille, 1825(López-Greco et al, 2000, M. forceps (Hernández-Reyes et al, 2001;Cobo, 2002) and Acanthonyx scutiformis (Monteiro-Texeira et al, 2009). Seasonal reproductive patterns have been observed in Chionoecetes opilio (Sainte-Marie, 1993) and C. japonicus (Yosho, 2000).…”

Section: Discussionmentioning

confidence: 99%

“…The size at sexual maturity, fecundity and duration of the reproductive season are the most common reproductive aspects reported in the literature (e.g. Hartnoll, 1963;Sainte-Marie, 1993;Hernández-Reyes et al, 2001;Cobo, 2002;Vinuesa & Balzi, 2002;Vinuesa, 2007a;Monteiro-Teixeira et al, 2009).…”

Section: Discussionmentioning

confidence: 99%

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Reproductive biology of the spider crab Leucippa pentagona (Decapoda: Epialtidae), in Bustamante Bay, Argentina

Varisco¹,

Vinuesa²

2011

lajar

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ABSTRACT. Sizes at maturity, breeding period, and fecundity of the spider crab Leucippa pentagona in Bustamante Bay, Argentina (45.11ºS, 66.56ºW) were analyzed. Specimens were collected monthly between May 2006 and February 2008. The size at morphometric maturity was determined based on relative changes in cheliped length for males and abdomen width for females. The presence of spermatophores in the male deferent ducts and of eggs in the female abdomens were the criteria used to determine physiological maturity. The temporal variation of the proportion of ovigerous females was analyzed. Oocyte sizes in ovigerous females were measured to evaluate the occurrence of multiple spawnings. In males, the sizes at morphometric and physiological maturity were 28.05 and 16.7 mm carapace length (CL), respectively. In females, the size at morphological maturity was 18.5 mm CL, whereas size at physiological maturity was 18.25 CL. Ovigerous females were found between June and February in both years. Ovigerous females were found to have oocytes with advanced vitellogenesis. Fecundity was similar in both years and varied between 645 and 7114 eggs. The extended breeding period and the presence of vitellogenic oocytes in ovigerous females suggest the occurrence of two or more spawnings per reproductive season. Finally, the distribution range of this species in the Atlantic Ocean was extended from 43.3° to 45.11°S.

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Section: Discussionmentioning

confidence: 94%

Section: Discussionmentioning

confidence: 97%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

See 3 more Smart Citations

Reproductive biology of the spider crab Leucippa pentagona (Decapoda: Epialtidae), in Bustamante Bay, Argentina

Varisco¹,

Vinuesa²

2011

lajar

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Population dynamics and reproductive aspects of the decorator crab Microphrys bicornutus (Crustacea: Brachyura: Majidae) in an extreme shallow Thalassia complex

Carmona-Suárez

2012

J. Mar. Biol. Ass.

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The decorator crab, Microphrys bicornutus, is a common inhabitant of the turtle grass Thalassia testudinum. In order to establish the behaviour of a population of this species in an extreme shallow Thalassia complex (maximum depth less than 50 cm, and often exposed to the air), size distribution, population dynamics, reproductive effort and egg size were studied in Buchuaco—Venezuela. Monthly sampling was undertaken between June 1988 and December 1990. A total of 1403 specimens of M. bicornutus were captured. In each of the sampled years, size distribution was strongly skewed to the predominance of small size crabs. Females were significantly larger than males in all the three years. Small size and large size crabs showed periodic annual fluctuations in abundance, with peaks during the last months of the year for the first, and peaks between April and June for the latter. Medium size crabs showed no periodicity at all. Number of eggs per female ranged between 40 and 4305 (mean = 1067.4), and was positively correlated with female body size. Eggs increased their size gradually during their development, and differences in egg size between development stages were significant. The biological parameters found in this study are compared with other populations of this crab, found in Venezuela and Brazil, in different ecosystems. Results acquired in this work add new insights to the behaviour of this decorator crab, specifically on density variation and egg size (among others), living in an environment that is constantly exposed to air and to other physicochemical variations.

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Estructura de la población del cangrejo rey Damithrax spinosissimus en el Caribe colombiano

Campos

Lagos

Bermúdez

et al. 2015

Rev. Acad. Colomb. Cienc. Ex. Fis. Nat.

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ResumenEl estudio biológico y de población del cangrejo rey Damithrax spinosissimus es fundamental para establecer los planes de manejo de esta especie en el Caribe colombiano. Este estudio brinda información sobre las tallas, la proporción entre sexos y las relaciones biométricas de D. spinosissimus en tres islas del Caribe colombiano (Providencia, Rosario y Tintipán), la cual se recogió en muestreos mensuales llevados a cabo entre septiembre de 2011 y marzo de 2012. Se recolectaron 462 ejemplares en las islas. La proporción de sexos fue de 1:1, con 51,5 % de hembras y 48,4 % de machos. La proporción de hembras ovadas con respecto a las no ovadas también fue de 1:1. El promedio de la longitud del caparazón (LC) fue de 11,6 cm tanto en machos como en hembras, mientras que el ancho del caparazón (AC) fue de 11,9 cm en las hembras y de 12,1 cm en los machos. La longitud promedio del caparazón fue de 13,67±1,18 cm en Providencia, de 10,25±1,34 cm en Islas del Rosario y de 10,4 ± 1,14 cm en Tintipán. La relación entre la longitud y el ancho del caparazón se describió mediante la ecuación LC=-0,393186+1,06755*AC, mientras que la relación entre el peso total (P) y la longitud del caparazón se describió mediante la ecuación Ln P=-1,64254+3,36711 Ln LC.Palabras claves: biología, Caribe, cangrejo rey, Damithrax, estructura de poblaciones. Population structure of the king crab Damithrax spinosissimus in the Colombian Caribbean region AbstractThe biological and population study of the king crab Damithrax spinosissimus is essential to establish management plans for this species in the Colombian Caribbean region. This study provides information on size, sex ratio and biometric relationships of D. spinosissimus in three Colombian Caribbean islands (Providencia, Rosario and Tintipán), based on monthly surveys conducted between September 2011 and March 2012. A total of 462 individuals were collected. The sex ratio was 1:1 with 51.5% of females and 48.4% of males. Similarly, the proportion of ovigerous and non-ovigerous females was 1:1. The average shell length (LC) was 11.6 cm for both males and females, while the width of the shell (AC) was 11.9 cm for females and 12.1 cm for males. The average shell length was 13.67±1.18 cm in Providence, 10.25±1.34 cm in Islas del Rosario and 10.4±1.14 cm in Tintipán. The relationship between carapace length and width was described by the equation LC=-0.393186+1.06755*AC, whereas the relationship between the total weight (P) and the carapace length was described by the equation Ln P=-1.64254+3.36711 Ln LC.

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Reproductive biology of Mithrax forceps (A. Milne-Edwards, 1875) (Crustacea: Decapoda: Majidae)

Cited by 7 publications

References 11 publications

Reproductive biology of the spider crab Leucippa pentagona (Decapoda: Epialtidae), in Bustamante Bay, Argentina

Reproductive biology of the spider crab Leucippa pentagona (Decapoda: Epialtidae), in Bustamante Bay, Argentina

Population dynamics and reproductive aspects of the decorator crab Microphrys bicornutus (Crustacea: Brachyura: Majidae) in an extreme shallow Thalassia complex

Estructura de la población del cangrejo rey Damithrax spinosissimus en el Caribe colombiano

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