Hyalella cenotensis, a new species of Hyalellidae (Crustacea: Amphipoda) from the Yucatán Peninsula, Mexico

Marrón-Becerra, Aurora; Hermoso-Salazar, Margarita; Solís‐Weiss, Vivianne

doi:10.11646/zootaxa.3811.2.7

Cited by 19 publications

(9 citation statements)

References 18 publications

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“…To date, eleven species of amphipods have been recorded from subterranean habitats of the Yucatán Peninsula, belonging to five families (Ampithoidae, Hadziidae, Hyalidae, Hyalellidae, and Melitidae) (e.g., Holsinger 1977, 1990, 1992, Alvarez and Iliffe 2008, Marrón-Becerra et al 2014, Ortiz and Winifield 2015, Trujillo-Pisanty et al 2010). Among them, six species are classified as stygobionts; they bind solely to aquatic subterranean habitats, exhibiting various degrees of morphological, physiological and behavioural adaptations to life in the hypogean environment (Notenboom 1991).…”

Section: Introductionmentioning

confidence: 99%

“…The hadziid Tuluweckelia cernua Holsinger, 1990, Bahadzia bozanici Holsinger, 1992 and Bahadzia setodactylus Holsinger, 1992 and the hyalellid amphipod Hyalella cenotensis Marrón-Becerra, Hermoso-Salazar & Solís-Weiss, 2014 have been described from caves and cenotes of Quintana Roo state near the Caribbean (eastern) coast of the peninsula (Holsinger 1990, 1992, Marrón-Becerra et al 2014), while Mayaweckelia yucatanensis Holsinger, 1977 (Hadziidae) is reported from a cave pool in Campeche state (Holsinger 1977). The only stygobiont amphipod that has been described from Yucatán state is Mayaweckelia cenoticola Holsinger, 1977.…”

Section: Introductionmentioning

confidence: 99%

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Mayaweckelia troglomorpha, a new subterranean amphipod species from Yucatán state, México (Amphipoda, Hadziidae)

Angyal¹,

Solís²,

Magaña³

et al. 2018

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A detailed description of a new stygobiont species of the amphipod family Hadziidae, Mayaweckelia troglomorpha Angyal, sp. n. is given, based on material collected in four cenotes of Yucatán federal state, México. Morphology was studied under light microscopy and with scanning electron microscopy. Morphological description is complemented with mitochondrial cytochrome c oxidase subunit I (COI) sequences as barcodes, with affinities to the related taxa and with notes on the species’ ecology. Using COI Bayesian inference and genetic distance analyses, we show that the closest relative of the new species is M. cenoticola, forming a monophyletic group referring to the genus Mayaweckelia. Based on the available sequences, we also revealed that Mayaweckelia and Tuluweckelia are sister genera, standing close to the third Yucatán subterranean genus, Bahadzia. The data gathered on the habitat, distribution, abundance, and ecology will contribute to the conservation planning for M. troglomorpha Angyal, sp. n.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Mayaweckelia troglomorpha, a new subterranean amphipod species from Yucatán state, México (Amphipoda, Hadziidae)

Angyal¹,

Solís²,

Magaña³

et al. 2018

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“…Among the 66 described species, 23 are found in Brazil and of these, nine species occur in the southernmost state, Rio Grande do Sul, region with the highest diversity of the genus in the country Marrón-Becerra et al, 2014;Colla and César, 2015). Among the species that occur in Brazil, Hyalella bonariensis Bond-Buckup, Araujo & Santos, 2008 has a wide geographical distribution, occurring in Argentina and also in 13 wetlands in the state of Rio Grande do Sul .…”

Section: Introductionmentioning

confidence: 99%

Population dynamics of a freshwater amphipod from South America (Crustacea, Amphipoda, Hyalellidae)

et al. 2016

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Th is study aimed to characterize the population dynamics of Hyalella bonariensis Bond-Buckup, Araujo & Santos, 2008 from headwater spring in a rural area of state of Rio Grande do Sul, Brazil. Four samples were collected in August (winter) and October (spring) of 2012 and January (summer) and April (autumn) of 2013. Ovigerous females and precopula pairs were separated from other individual in the fi eld. A total of 5,266 specimens were sampled, being 1,878 males, 2,073 females (including 240 ovigerous females) and 1,315 juveniles. Th e frequency distribution of size classes (measured as cephalothorax length, CL) was polymodal and bimodal in males and females, respectively. Males reach larger size than females. Sexual maturity of males and females was estimated at 0.40 and 0.38 mm for CL, respectively. Total sex ratio favored females, and these were more frequent in intermediate size classes, while males were more frequent in larger size classes. Ovigerous females and couples were found in four seasons, but both were more abundant in winter. Juveniles were also found in all seasons, being more frequent in winter and spring. Th ese results showed that this H. bonariensis population has similar dynamics to other species of Hyalella Smith, 1874 from Brazil, but present variations when compared to other freshwater amphipods. keY wordsBody size, Hyalella, reproductive period, sex ratio, sexual maturity. Castiglioni et al.2

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“…In this locality, i.e. Cenote Aktun-Ha, another species of the same Genus: Hyalella cenotensis has already been described by Marrón-Becerra et al (2014). The main differences between the two species are the absence of eyes and of distal setae in the telson in H. cenotensis, both present in H. maya n. sp.…”

Section: Remarksmentioning

confidence: 75%

Hyalella maya, a new hyalellidae species (crustacea: amphipoda) from a cenote inthe Yucatan Peninsula, Mexico

Marrón-Becerra¹,

Hermoso-Salazar²,

Solís‐Weiss³

2018

JCKS

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Hyalella maya n. sp. from a sinkhole (cenote) in Quintana Roo, Mexico, is described herein, based on morphological characters. It is the third species recorded in Mexico and the second species of Hyalella found in the Aktun-Ha sinkhole. It can be distinguished from its closest species, Hyalella azteca from Veracruz, by the shape of the palp of maxilla 1, the number of setae in the posterior margin of the basis, the relative palm length and the truncate process of gnathopod 2 in males, the number of setae in the lobe of the basis of pereopod 7, and the shape and setation of the telson. Those characters have been found to be useful for species distinction in the complex by González and Watling (2002). The main differences between Hyalella cenotensis and Hyalella maya n. sp. are: the presence of eyes, the number of articles in the flagellum in antennae 1 and 2, the relative length of antennae to the total body length, the relative length of the rami in uropod 3 to the peduncle length, and the number of setae in the telson.

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Hyalella cenotensis, a new species of Hyalellidae (Crustacea: Amphipoda) from the Yucatán Peninsula, Mexico

Cited by 19 publications

References 18 publications

Mayaweckelia troglomorpha, a new subterranean amphipod species from Yucatán state, México (Amphipoda, Hadziidae)

Mayaweckelia troglomorpha, a new subterranean amphipod species from Yucatán state, México (Amphipoda, Hadziidae)

Population dynamics of a freshwater amphipod from South America (Crustacea, Amphipoda, Hyalellidae)

Hyalella maya, a new hyalellidae species (crustacea: amphipoda) from a cenote inthe Yucatan Peninsula, Mexico

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