Hydroids (Cnidaria, Hydrozoa) from marine fouling assemblages in the Galápagos Islands, Ecuador

Calder, Dale R.; Carlton, James T.; Larson, Kristen; Mallinson, Jennifer J; Choong, Henry H. C.; Keith, Inti; Ruiz, Gregory M.

doi:10.3391/ai.2019.14.1.02

Cited by 13 publications

(26 citation statements)

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“…It is worth mentioning that “lineage 2” and “lineage 6” of Plumularia setacea , with samples collected in marinas, probably dispersed also through human‐mediated transport but across smaller geographic ranges. Some other nonplumularioids are also reported to take advantage on boat traffic for dispersal, such as those of genera: Cordylophora (e.g., Folino, ), Pennaria (e.g., Miglietta, Odegard, Faure, & Faucci, ), Blackfordia (e.g., Kramp, ), Turritopsis (Miglietta & Lessios, ), and Clytia (Calder et al, ).…”

Section: Resultsmentioning

confidence: 99%

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Predominant east to west colonizations across major oceanic barriers: Insights into the phylogeographic history of the hydroid superfamily Plumularioidea, suggested by a mitochondrial DNA barcoding marker

Moura

Collins

Santos

et al. 2019

Ecology and Evolution

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We provide preliminary insights into the global phylogeographic and evolutionary patterns across species of the hydrozoan superfamily Plumularioidea (Cnidaria: Hydrozoa). We analyzed 1,114 16S sequences of 198 putative species of Plumularioidea collected worldwide. We investigated genetic connections and divergence in relation to present‐day and ancient biogeographic barriers, climate changes and oceanic circulation. Geographical distributions of most species are generally more constrained than previously assumed. Some species able to raft are dispersed widely. Human‐mediated dispersal explains some wide geographical ranges. Trans‐Atlantic genetic connections are presently unlikely for most of the tropical‐temperate species, but were probably more frequent until the Miocene–Pliocene transition, before restriction of the Tethys Sea and the Central American Seaway. Trans‐Atlantic colonizations were predominantly directed westwards through (sub)tropical waters. The Azores were colonized multiple times and through different routes, mainly from the east Atlantic, at least since the Pliocene. Extant geminate clades separated by the Isthmus of Panama have predominantly Atlantic origin. Various ancient colonizations mainly directed from the Indian Ocean to the Atlantic occurred through the Tethys Sea and around South Africa in periods of lower intensity of the Benguela upwelling. Thermal tolerance, population sizes, dispersal strategies, oceanic currents, substrate preference, and land barriers are important factors for dispersal and speciation of marine hydroids.

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Section: Resultsmentioning

confidence: 99%

“…Cordylophora (e.g., Folino, 2000), Pennaria (e.g., Miglietta, Odegard, Faure, & Faucci, 2015), Blackfordia (e.g., Kramp, 1958), Turritopsis (Miglietta & Lessios, 2008), and Clytia (Calder et al, 2019).…”

Section: Macrorhynchia Philippina Gymnangium Hians Dentitheca Bidenmentioning

confidence: 99%

Predominant east to west colonizations across major oceanic barriers: Insights into the phylogeographic history of the hydroid superfamily Plumularioidea, suggested by a mitochondrial DNA barcoding marker

Moura

Collins

Santos

et al. 2019

Ecology and Evolution

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“…A report from Cook Strait, New Zealand, by Vervoort & Watson (2003) appears questionable. More recently, the species was identified from marine fouling communities in Franklin's Bay, Puerto Ayora, Galápagos Islands, Ecuador (Calder et al 2019). To date, only the trophosome of this poorly known species is known.…”

Section: Family Clytiidae Cockerell 1911mentioning

confidence: 99%

“…Elsewhere. New Zealand (Marktanner-Turneretscher 1890), New South Wales, Australia (Ritchie 1911); Galápagos Islands (Calder et al 2019). FIGURE 1. a, Synthecium megathecum: two pairs of hydrothecae, Pristine Reef, Kaneohe Bay, Oahu, ROMIZ B3306.…”

Section: Family Clytiidae Cockerell 1911mentioning

confidence: 99%

“…The nomenclature of this hydroid is gradually being resolved, with recognition that the binomena Clytia thornelyi (Nutting, 1927), C. stolonifera Blackburn, 1938, andC. latitheca Millard &Bouillon, 1973 all subjectively refer to the same species (Calder et al 2019). Nutting (1927) had recognized that a hydroid identified by Thornely (1900) as Obelia serrulata Bale, 1888, from Papua New Guinea, was misidentified and constituted a new species.…”

Section: Clytia Paulensis (Vanhöffen 1910) Figs 2d-gmentioning

confidence: 99%

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Some leptothecate hydroids (Cnidaria, Hydrozoa) from Hawaii, mostly from inshore and nearshore waters

Calder

2020

Zootaxa

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This report is based on a small collection of hydroids from the Hawaiian Islands, in the central Pacific Ocean. Most of the examined material was obtained by staff of the Bernice Pauahi Bishop Museum, Honolulu, during surveys for nonindigenous marine species in shallow, sheltered, inshore or nearshore waters, and especially in harbours, bays, and lagoons. In all, 34 species of leptothecate hydroids, assigned to 14 families and 20 genera, were identified and are discussed. One of them, based on a single infertile colony with a damaged hydrotheca, was identified provisionally only to the rank of suborder. Given the limited geographic and bathymetric focus of the surveys, only four of the species, Clytia thornelyi, Halecium sibogae, Macrorhynchia balei, and M. hawaiensis, were collected at depths greater than 25 m. Seven species, Cirrholovenia tetranema Kramp, 1959, Orthopyxis crenata (Hartlaub, 1901), Clytia elongata Marktanner-Turneretscher, 1890, C. paulensis (Vanhöffen, 1910), Tridentata maldivensis (Borradaile, 1905), Monotheca flexuosa (Bale, 1894), and a hydroid identified only as Eirenida (undetermined), are recorded from Hawaii for the first time. Three others, Lytocarpia nigra (Nutting, 1905) Macrorhynchia balei (Nutting, 1905), and M. hawaiensis (Nutting, 1905), have their type localities in Hawaii, with the last of these being known to date only from the Hawaiian archipelago. Most of the species are well-known from shallow water areas across the tropical and subtropical Indo-Pacific region, and over half of them have been reported as well from warm waters in the Atlantic Ocean. Their existence in the remote islands of Hawaii is attributed to long-range dispersal by both natural and human-mediated means, including shipping.

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Genetic diversity of the Pennaria disticha Goldfuss, 1820 (Cnidaria, Hydrozoa) complex: new insights from Brazil

et al. 2020

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Hydroids (Cnidaria, Hydrozoa) from marine fouling assemblages in the Galápagos Islands, Ecuador

Cited by 13 publications

References 0 publications

Predominant east to west colonizations across major oceanic barriers: Insights into the phylogeographic history of the hydroid superfamily Plumularioidea, suggested by a mitochondrial DNA barcoding marker

Predominant east to west colonizations across major oceanic barriers: Insights into the phylogeographic history of the hydroid superfamily Plumularioidea, suggested by a mitochondrial DNA barcoding marker

Some leptothecate hydroids (Cnidaria, Hydrozoa) from Hawaii, mostly from inshore and nearshore waters

Genetic diversity of the Pennaria disticha Goldfuss, 1820 (Cnidaria, Hydrozoa) complex: new insights from Brazil

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