Brachyuran crabs (Crustacea: Decapoda) from the Canary Islands (eastern Atlantic): checklist, zoogeographic considerations and conservation

González, José A.

doi:10.3989/scimar.04350.10a

Cited by 13 publications

(27 citation statements)

References 25 publications

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“…This is also the first record for the genus Cronius Stimpson, 1860 from the Canary Islands, and C. ruber is the fifth portunid (Portunidae) recorded from the Canaries (cf. González 2016). The present newly accounted species increases the Canarian brachyuran carcinofauna to 133 marine species (cf.…”

Section: Resultsmentioning

confidence: 99%

“…All of them inhabit from a few metres to a maximum depth of 60 m (P. hastatus), with the exception of T. poissonii, which reaches a maximum depth of 110-120 m (cf. González 2016).…”

Section: Discussionmentioning

confidence: 99%

“…González 2016). The addition of C. ruber results in a fifty-fifty balanced composition of AtlantoMediterranean species (31.4%) versus a mixture of warm affinity species (30.6%).…”

Section: Geographic Distribution and Biogeographic Commentsmentioning

confidence: 99%

“…During the last 30 years, the occurrence and even establishment of non-native marine species around the Canary Islands have been reported, and the arrival of subtropical/tropical fishes (Brito et al 2005, Triay-Portella et al 2015, Pajuelo et al 2016) and crustaceans (González et al 2012, Moro et al 2014, González 2016 has increased.…”

Section: Introductionmentioning

confidence: 99%

“…To date, according to González (2016) (Monod 1956, Manning and Holthuis 1981, Fransen 2015, this is the northernmost record of the species in the eastern Atlantic. Crabs have been identified by both morphological characters and DNA barcoding (16S).…”

Section: Introductionmentioning

confidence: 99%

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Northernmost record of the pantropical portunid crab <em>Cronius ruber</em> in the eastern Atlantic (Canary Islands): natural range extension or human-mediated introduction?

et al. 2017

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Summary:The pantropical crab Cronius ruber (Lamarck, 1818) (Brachyura: Portunidae) is recorded for the first time from the Canary Islands. Previously known from off Cape Verde Islands and Senegal, this is the northernmost record of the species in the eastern Atlantic Ocean. Crabs have been caught by means of a collecting small trap for sampling in shallow waters, and then identified by both morphological characters and DNA barcoding (16S). Cytochrome c oxidase I partial sequence has been obtained for this species for the first time. This relatively large and very aggressive crab species seems to be rapidly occupying both hard substrates (sublittoral caves) and soft substrates (sand with seagrass meadow) adjacent to shallow rocky bottoms, at depths between 2 and 10 m, in the warm southern waters of Gran Canaria Island. The reasons for this species' occurrence are discussed herein. Among them, natural range extension may be a consequence of tropicalization in the eastern Atlantic. Also, a human-mediated introduction could be based on the heavy traffic of ships (ballast waters or oil platforms) arriving at the Canary Islands from African countries and from Brazil in the last decade.Keywords: zoogeography; natural expansion; anthropogenic introduction; Brachyura; crab; Cronius ruber; Canary Islands; eastern Atlantic; DNA barcoding. Cita más septentrional del cangrejo portúnido pantropical Cronius ruber en el Atlántico oriental (Islas Canarias): ¿expansión natural o por causas antropogénicas?Resumen: El cangrejo pantropical Cronius ruber (Lamarck, 1818) (Brachyura: Portunidae) es citado por primera vez en las Islas Canarias. Previamente conocido de las Islas Cabo Verde y Senegal, el presente constituye el registro más septentrional de esta especie en el Atlántico oriental. Los cangrejos fueron recolectados mediante un arte de trampa (pequeña nasa usada para muestreo en aguas someras) y posteriormente identificados a partir de sus caracteres morfológicos y mediante código de barras genético (DNA barcoding (16S)). La secuencia parcial del gen de la citocromo c oxidasa I de esta especie fue obtenida por primera vez. Este cangrejo de relativo gran tamaño y gran agresividad parece estar ocupando rápidamente tanto sustratos duros (cuevas sublitorales) como blandos (arena con pradera de fanerógamas) adyacentes a fondos rocosos someros, a profundidades comprendidas entre 2 y 10 m, en aguas cálidas de la costa meridional de la isla de Gran Canaria. Se discuten en este trabajo diferentes causas que explican la aparición de esta especie en Canarias. Entre otras, la expansión natural como consecuencia del proceso de tropicalización en el Atlántico oriental. Además, una introducción por causas antropogénicas puede estar basada en la intensificación del tráfico pesado de naves (aguas de lastre o plataformas petrolíferas), que llegan hasta Canarias desde países africanos y Brasil en la última década.Palabras clave: zoogeografía; expansión natural; introducción antropogénica; Brachyura; cangrejo; Cronius ruber; Islas Canarias; Atlán...

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Section: Resultsmentioning

confidence: 99%

“…All of them inhabit from a few metres to a maximum depth of 60 m (P. hastatus), with the exception of T. poissonii, which reaches a maximum depth of 110-120 m (cf. González 2016).…”

Section: Discussionmentioning

confidence: 99%

“…González 2016). The addition of C. ruber results in a fifty-fifty balanced composition of AtlantoMediterranean species (31.4%) versus a mixture of warm affinity species (30.6%).…”

Section: Geographic Distribution and Biogeographic Commentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Northernmost record of the pantropical portunid crab <em>Cronius ruber</em> in the eastern Atlantic (Canary Islands): natural range extension or human-mediated introduction?

et al. 2017

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First records of the sponge crab Dromia personata (Brachyura) in the Netherlands and its historical findings in the North Sea

Moorsel¹,

Bennema

Nijland

2017

Mar Biodivers Rec

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Only a few records exist of the sponge crab Dromia personata in the North Sea. Most records are in local languages, and have limited availability. On 11 August 2016, D. personata was found by divers in the Eastern Scheldt, a former estuary in the south-western part of the Netherlands. In the months to follow, at least four other individuals were observed by divers at the same and nearby locations. This paper lists these and former records in the North Sea. The distribution pattern, and the possible migration of the sponge crab in relation to environmental conditions such as seawater temperature are discussed, as well as the crab's use of the non-native sponge Celtodoryx ciocalyptoides.

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Mitocondrial COI and 16S rDNA sequences support morphological identification and biogeography of deep-sea red crabs of the genus Chaceon (Crustacea, Decapoda, Geryonidae) in the Eastern Central and South Atlantic Ocean

et al. 2019

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The geographical spreading of new fishing activities and the increasingly deeper locations of these activities have shown the worldwide distribution of gerionid crabs and new descriptions of Chaceon taxa. However, incomplete penetrance, variable expressivity, and phenotypic overlap make the morphometric identification of these species difficult. In this study, partial sequences of the cytochrome c oxidase subunit 1 (COI) and 16S mitochondrial ribosomal RNA (16S rRNA) genes have been analyzed in Chaceon species from the Eastern Central and South Atlantic and compared with sequences of species from Western Atlantic. Our results corroborate the proposed morphological species and highlight the significant separation of the Eastern Atlantic species and those from Atlantic coasts of South America for both markers (97% Bayesian posterior probability, BPP / 83% Bootstrap replicates, BT). Interestingly, Chaceon sanctaehelenae shows a closer relationship with the species of the American coast than with those from the Eastern Atlantic. On the other hand, while COI marker clearly separates Chaceon atopus and Chaceon erytheiae species (99 BPP / 91% BT), these species share haplotypes for the 16S rRNA marker, pointing to a recent speciation process. Moreover, a close relationship was observed between Chaceon maritae and Chaceon affinis (94% BPP / 77% BT). The topologies of the trees obtained indicate that the ancestor of this genus was closer related to those species from South America than to those from the Eastern Atlantic.

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Brachyuran crabs (Crustacea: Decapoda) from the Canary Islands (eastern Atlantic): checklist, zoogeographic considerations and conservation

Cited by 13 publications

References 25 publications

Northernmost record of the pantropical portunid crab <em>Cronius ruber</em> in the eastern Atlantic (Canary Islands): natural range extension or human-mediated introduction?

Northernmost record of the pantropical portunid crab <em>Cronius ruber</em> in the eastern Atlantic (Canary Islands): natural range extension or human-mediated introduction?

First records of the sponge crab Dromia personata (Brachyura) in the Netherlands and its historical findings in the North Sea

Mitocondrial COI and 16S rDNA sequences support morphological identification and biogeography of deep-sea red crabs of the genus Chaceon (Crustacea, Decapoda, Geryonidae) in the Eastern Central and South Atlantic Ocean

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