Stolidobranch ascidians from the tropical western Indian Ocean

Monniot, Claude

doi:10.1046/j.1096-3642.2002.00017.x

Cited by 55 publications

(41 citation statements)

References 22 publications

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“…KOTT (2002) states that the Atlantic populations are different from those in the Indian and Pacific Oceans, but she does not provide the characters that show that differentiation, nor does she suggest a new name. On the other hand, MONNIOT (2002) affirmed that those animals from Guadalupe, Panamá and Brasil are H. pallida with an ample distribution in all oceans. The taxonomic uncertainty and lack of knowledge of geographic origins require that it be classified as cryptogenic.…”

Section: Styelidae 1 X Xmentioning

confidence: 99%

Non indigenous ascidians in port and natural environments in a tropical Brazilian bay

Marins¹,

Novaes²,

Rocha³

et al. 2010

Zoologia (Curitiba, Impr.)

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Despite limited natural dispersal, some species of ascidians can be transported vast distances via oceanic petroleum platforms, ship hulls and ballast water and therefore may be good indicators of bioinvasion. Usually non indigenous species (NIS) are abundant in harbors. This is caused in part because of the higher propagule delivery rate in these areas. An alternative explanation of why invasion is enhanced in harbor and marinas is that environmental degradation commonly found in these habitats favors the establishment of NIS. Most surveys for introduced species were not comprehensive and targeted mainly ports and marinas. Angra dos Reis is an excellent system that provides an opportunity to compare the potential distribution of introduced and native species of Ascidiacea between port and natural environments. Here, we compared the colonization of experimental subtidal plates placed in harbors and marinas with the colonization of plates placed in nearby natural areas. With 27 taxa (15 identified to species), species richness was greater in port environments (25 versus 8). Six taxa were common to both environments while 19 taxa were exclusively found in ports. Among the identified species in ports, three were introduced, five were cryptogenic and only one was native. Only three species were found exclusively in the natural sites and all were cryptogenic. The presence of introduced species only in the port areas of Angra dos Reis reinforces the need for continued, periodic monitoring in the region for early detection of new, potentially invasive, species as well as for better understanding of abnormal population growth of the already known species. Management to reduce the transfer of exotics to natural habitats must be implemented

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Section: Styelidae 1 X Xmentioning

confidence: 99%

Non indigenous ascidians in port and natural environments in a tropical Brazilian bay

Marins¹,

Novaes²,

Rocha³

et al. 2010

Zoologia (Curitiba, Impr.)

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“…In São Sebastião, São Paulo, this species is found on artificial substrates used in scientific experiments (RMR, unpublished observation). MONNIOT (2002) described this species on wrecks on the coast near Djibouti, Africa. Styela partita (Stimpson, 1852) whose type location is Boston Harbor, in the …”

mentioning

confidence: 99%

“…This species is very different from the other botryllids by having only four rows of stigmata and it is likely that other species that also have four rows of stigmata have been designated as this species. Colonies vary in both form and color (MONNIOT 2002). KOTT (1985) considered its distribution unusual, since it is very rare for a species of the western Pacific.…”

mentioning

confidence: 99%

Introduced ascidians in Paranaguá Bay, Paraná, southern Brazil

Rocha

Kremer

2005

Rev. Bras. Zool.

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Exotic (introduced) species are a growing problem in ports worldwide and comprise the most important impacts in marine ecosystems. Periodic monitoring to detect introduced species is extremely important for effective population control. Here we sampled ascidian species near the port of Paranaguá for a taxonomic study of this fauna to attempt to detect introduced species. Larval stages in ascidians are short-lived, and dispersal is restricted to small distances, and so ascidians are very good bioindicators for exotic introductions due to ship transport. Four locations were sampled within Paranaguá Bay (Ilha das Cobras, Pier Tenenge, Ilha do Mel and Ilha da Galheta) and one location outside of the bay (Parque dos Meros). Information for the nearby fauna and for geographic distributions of the species involved was obtained from the literature. Eighteen species were found: Perophora multiclathrata (Sluiter, 1904), Ascidia curvata (Traustedt,1882), A. sydneiensis Stimpson, 1855, Clavelina oblonga Herdman, 1880, Cystodytes dellechiajei (Della Valle, 1877), Eudistoma carolinense van Name, 1945, Distaplia bermudensis van Name, 1902, Didemnum granulatum Tokioka, 1954, Diplosoma listerianum (Milne-Edwards, 1841), Lissoclinum fragile (van Name, 1902), Botryllus planus (van Name, 1902), B. tuberatus Ritter & Forsyth 1917, Botrylloides nigrum Herdman, 1886, Symplegma rubra Monniot, 1972, Styela canopus (Savigny, 1816), S. plicata (Lesueur, 1823), Microcosmus exasperatus Heller, 1878 and Molgula phytophila Monniot, 1970. The known geographic distributions based on the literature and collections suggest that three species are native, one is a inter-regional introduction, two are introduced from the Pacific and the remaining 12 are cryptogenic.

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“…The circumtropical ascidian S. brakenhielmi is globally distributed in the Atlantic (Van Name, 1921;Monniot, 1983, Goodbody, 2003, Rocha et al 2005, Indian (Millar, 1954;Monniot & Monniot, 1997) and Pacific Oceans (Monniot & Monniot, 2001;Lambert 2003). It occurs in the Red Sea and the Suez Canal (Michaelsen, 1918) and according to Abdel Messeih (1994) it can be a Lessepsian migrant.…”

Section: Discussionmentioning

confidence: 99%

“…Images were taken by using a digital camera. Authoritative and valid taxonomic keys and publications (Van Name 1921, 1931, 1945Kott 1985Kott , 1990Kott , 1992Kott , 2001Monniot, Monniot, & Laboute, 1991;Monniot & Monniot, 2001;Rocha, Zanata, & Moren, 2012) were used for species identification.…”

Section: Methodsmentioning

confidence: 99%

Untitled

Önen¹

2018

Turk. J. Fish. Aquat. Sci.

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The current study attempts to investigate the distribution of ascidian species collected from eight stations located along the eastern coasts of Aegean Sea, Turkey. For this purpose, field studies were conducted in July 2016. This study revealed the occurrence of ascidian species belonging to 7 families and 12 genera. The invasive species Polyclinum constellatum Savigny, 1816 is reported for the first time from Turkish waters and for the second time in the Mediterranean Sea. Furthermore, Symplegma brakenhielmi (Michaelsen, 1904) is found as a new record for the Turkish Aegean Sea fauna. Knowledge about the ascidian diversity of the Turkish Seas is still incomplete and large-scale surveys, additional taxonomic and molecular studies are needed.

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Stolidobranch ascidians from the tropical western Indian Ocean

Cited by 55 publications

References 22 publications

Non indigenous ascidians in port and natural environments in a tropical Brazilian bay

Non indigenous ascidians in port and natural environments in a tropical Brazilian bay

Introduced ascidians in Paranaguá Bay, Paraná, southern Brazil

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