New records of the genus Pachygrapsus (Crustacea: Decapoda) from the central Mediterranean Sea with a review of its Mediterranean zoogeography

Crocetta, Fabio; Mifsud, Stephen; Paolini, P.; Piscopo, J.; Schembri, Patrick J.

doi:10.12681/mms.54

Cited by 11 publications

(11 citation statements)

References 23 publications

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“…This is the first record of P. maurus from the southeastern coast of Sicily and adds new data about its habitat in the Mediterranean Sea. Furthermore, with the exception of the doubtful record by Magrì (1911) (see Crocetta et al, 2011), we can consider our record as the first welldocumented finding of the species along the Ionian coast of Sicily. Pipitone & Arculeo (2003) and Froglia (2010) did not include the presence of the species in eastern Sicily, while it was previously recorded from the northwestern coast of the island (Misuri, 1914).…”

Section: First Record Of the Blue Crabsupporting

confidence: 50%

“…The number of post-orbital spines allows immediate identification of P. marmoratus: 3 in this species versus 2 in P. maurus and P. transversus. Finally, the presence (P. transversus) or the absence (P. maurus) of 2-3 apical spines on the posterior edge of the meropodite of the fifth pereiopod allows discriminating between these two latter species (Crocetta et al, 2011).…”

Section: Spreading Of the Invasive Crab Percnon Gibbesi Along The Apumentioning

confidence: 99%

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“New Mediterranean Biodiversity Records” (March 2017)

et al. 2017

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This Collective Article presents information on 22 species belonging to 5 Phyla, arranged geographically from from west to east. The new records were found in 8 countries as follows: Spain: first record of the two scarcely known nemerteans Baseodiscus delineatus and Notospermus geniculatus in Formentera; Malta: second record of the alien fish Lagocephalus sceleratus; Italy: the alien polychaete Syllis pectinans and the isopod Paranthura japonica, as well as the cryptogenic opisthobranch Anteaeolidiella lurana, were found in the fouling assemblages along the docks of the port of Livorno. New decapod records are reported from Sicily (the alien Callinectes sapidus and the native Pachygrapsus maurus) and Apulia (Percnon gibbosus and Procambarus clarkii); the lesser amberjack Seriola fasciata extended its geographical range to the Egadi Isands and Siganus luridus was documented for the first time along the Ionian coasts of Apulia and Calabria. Slovenia: the first record of the alien bivalve Brachidontes pharaonis is reported, together with a survey of up to date Adriatic records. Greece: the first record of the gastropod Rhinoclavis kochi is reported from Gavdos island. In addition, two records of endangered and rare cartilaginous fish were reported, namely, the shark Hexanchus griseus and the ray Leucoraja fullonica, as well as additional records of Siganus luridus for Lesvos and Malleus regula and Fulvia fragilis from Astypalaia. Turkey: the black wing flyingfish Hirundichthys rondeletii is reported for the very first time from the Black Sea. Egypt: the Indo-Pacific crab Halimede ochtodes is reported as established in Port Said. In addition, biometric parameters and meristic counts are reported for Anthias anthias in Damietta. Cyprus: the alien opisthobranch gastropod Bursatella leachii is reported for first time.

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Section: First Record Of the Blue Crabsupporting

confidence: 50%

Section: Spreading Of the Invasive Crab Percnon Gibbesi Along The Apumentioning

confidence: 99%

“New Mediterranean Biodiversity Records” (March 2017)

et al. 2017

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“…This suggests that the species might have maintained a low profile on the beach through low individual abundances, such that it went largely undetected. To this it should be also added that shore decapods largely suffer from a lack of studies, as recently suggested by Crocetta et al (2011) while recording two Pachygrapsus Randall, 1840 species in the same area. Nevertheless, the confirmed occurrence of the species in such high densities on at least three Maltese beaches puts the onus now on the Maltese environmental authorities to adopt conservation measures to safeguard the protected status of the species, given the popularity of Maltese beaches during the bathing season.…”

Section: Discussionmentioning

confidence: 99%

The protected taxon Ocypode cursor (Linnaeus, 1758) (Crustacea: Decapoda: Ocypodidae) – documenting its well-established presence in the central Mediterranean

Deidun

Crocetta

Sciberras³

et al. 2017

The European Zoological Journal

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Ocypode cursor (Linnaeus, 1758) is the only Ocypode species present in the Mediterranean Sea, and one of the nine marine crustacean species protected in the basin. It is widely distributed in the eastern Mediterranean, but knowledge about its presence in the central Mediterranean is very limited so far. We hereby first document the established presence of O. cursor in the central Mediterranean (Sicily and Malta), backdate the known presence of this taxon in Italy, and offer preliminary observations on the main known Maltese population. In Sicily, O. cursor is distributed along most of the south-western coast of the island of Sicily, whilst at least three beaches in the Maltese Islands are known to support populations of this species. The main Maltese population exhibits numerous similarities (e.g. burrow width, zonation along the beach) to another Mediterranean population studied in northern Cyprus, although occurring at lower densities. We conclude that the species has been probably present within the study area for a long period, but went undetected in view of the low population densities at which it previously occurred, the lack of a comprehensive census for the species within the same study area, and its nocturnal habits. The presence of this species in the central Mediterranean seems to be attributable to secondary natural spreading.

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“…Gobius couchi, Millerigobius macrocephalus and Zebrus zebrus; see Kovačić et al, 2013) but in other cases it appears that a recent range expansion from elsewhere in the Mediterranean is more plausible (e.g. Pachygrapsus maurus and P. transversus; see Crocetta et al, 2011; Lobotes surinamensis; see Deidun et al, 2010). As with any inventory, a line has to be drawn somewhere determining what will be included and what will not.…”

Section: Discussionmentioning

confidence: 99%

Updated review of marine alien species and other ‘newcomers’ recorded from the Maltese Islands (Central Mediterranean)

2015

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An updated review of marine alien species and other 'newcomers' recorded from the Maltese Islands is presented on account of new records and amendments to a previous review in 2007. Species were classified according to their establishment status ('Questionable', 'Casual', 'Established', 'Invasive') and origin ('Alien', 'Range expansion', 'Cryptogenic'). A total of 31 species were added to the inventory, while 6 species have been removed, bringing the total number of species to 73. Of these, 66 are considered to be aliens (or putative aliens but with uncertain origin) with the remaining 7 resulting from range expansion. Six records are considered to be questionable and hence unverified. For verified records, the dominant taxonomic groups are Mollusca (represented by 21 species) and Actinopterygii (15 species), followed by Crustacea (8 species) and Rhodophyta (7 species). Eight of these species (aliens: Caulerpa cylindracea, Lophocladia lallemandi, Womersleyella setacea, Brachidontes pharaonis, Percnon gibbesi, Fistularia commersonii, Siganus luridus; range extender: Sphoeroides pachygaster) are considered to be invasive. The introduction pathway for 30 species is unknown. Amongst the alien species, 'Shipping' is the most common introduction pathway, followed by 'Secondary dispersal' from elsewhere in the Mediterranean Sea. An increasing trend in the number of alien marine species reported from the Maltese Islands is evident, with a peak of 22 species recorded during the last decade (2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009)(2010). A discussion on the rationale for including range-expanding species in national inventories of recent arrivals, and in the analysis of trends in records from the Maltese Islands, is included. In particular, the general warming trend of Mediterranean surface waters appears to be facilitating the westward spread of thermophilic alien species from the Eastern to the Central Mediterranean, and the eastward range expansion of tropical and subtropical Eastern Atlantic species.

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New records of the genus Pachygrapsus (Crustacea: Decapoda) from the central Mediterranean Sea with a review of its Mediterranean zoogeography

Cited by 11 publications

References 23 publications

“New Mediterranean Biodiversity Records” (March 2017)

“New Mediterranean Biodiversity Records” (March 2017)

The protected taxon Ocypode cursor (Linnaeus, 1758) (Crustacea: Decapoda: Ocypodidae) – documenting its well-established presence in the central Mediterranean

Updated review of marine alien species and other ‘newcomers’ recorded from the Maltese Islands (Central Mediterranean)

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