scholarly journals Population structure of Bathymodiolus manusensis, a deep-sea hydrothermal vent-dependent mussel from Manus Basin, Papua New Guinea

PeerJ ◽  
2017 ◽  
Vol 5 ◽  
pp. e3655 ◽  
Author(s):  
Andrew D. Thaler ◽  
William Saleu ◽  
Jens Carlsson ◽  
Thomas F. Schultz ◽  
Cindy L. Van Dover
Keyword(s):  
Genetic Diversity ◽  
Population Structure ◽  
Papua New Guinea ◽  
Deep Sea ◽  
Hydrothermal Vents ◽  
Close Association ◽  
New Guinea ◽  
Mineral Wealth ◽  
Manus Basin ◽  
The Western Pacific

Deep-sea hydrothermal vents in the western Pacific are increasingly being assessed for their potential mineral wealth. To anticipate the potential impacts on biodiversity and connectivity among populations at these vents, environmental baselines need to be established. Bathymodiolus manusensis is a deep-sea mussel found in close association with hydrothermal vents in Manus Basin, Papua New Guinea. Using multiple genetic markers (cytochrome C-oxidase subunit-1 sequencing and eight microsatellite markers), we examined population structure at two sites in Manus Basin separated by 40 km and near a potential mining prospect, where the species has not been observed. No population structure was detected in mussels sampled from these two sites. We also compared a subset of samples with B. manusensis from previous studies to infer broader population trends. The genetic diversity observed can be used as a baseline against which changes in genetic diversity within the population may be assessed following the proposed mining event.

scholarly journals An environmental baseline for food webs at deep-sea hydrothermal vents in Manus Basin (Papua New Guinea)

2019 ◽  
Vol 148 ◽  
pp. 88-99 ◽  
Author(s):  
Loïc Van Audenhaege ◽  
Andrea Fariñas-Bermejo ◽  
Thomas Schultz ◽  
Cindy Lee Van Dover
Keyword(s):  
Food Webs ◽  
Papua New Guinea ◽  
Deep Sea ◽  
Hydrothermal Vents ◽  
New Guinea ◽  
Manus Basin

scholarly journals First record of Gauguin's blunt-nose lizardfish, Trachinocephalus gauguini Polanco, Acero & Betancur 2016 (Teleostei: Synodontidae) outside the Marquesas Archipelago

Zootaxa ◽  
2018 ◽  
Vol 4476 (1) ◽  
pp. 151
Author(s):  
SHIH-YU WANG ◽  
JHEN-NIEN CHEN ◽  
BARRY C. RUSSELL ◽  
WEI-JEN CHEN
Keyword(s):  
Papua New Guinea ◽  
Deep Sea ◽  
New Guinea ◽  
First Record ◽  
Wide Distribution ◽  
Northern Coast ◽  
Western Pacific Ocean ◽  
Marquesas Islands ◽  
The Western Pacific ◽  
Blunt Nose

Trachinocephalus gauguini Polanco, Acero & Betancur, 2016 was described based on eighteen specimens collected from off the Marquesas Islands, the only location where this species has been recorded until now. Through morphological and molecular examination of Trachinocephalus specimens collected from an exploratory cruise conducted in June 2014 under the Tropical Deep-Sea Benthos program along the northern coast of the New Ireland Province, Papua New Guinea, we demonstrate the presence of this species in Papua New Guinea waters. This new record suggests a wide distribution for this rarely collected species in the western Pacific Ocean.

New species ofStygiopontius(Copepoda: Siphonostomatoida: Dirivultidae) from a deep-sea hydrothermal volcano in the New Ireland Fore-Arc system (Papua New Guinea)

2013 ◽  
Vol 93 (7) ◽  
pp. 1805-1812 ◽  
Author(s):  
Viatcheslav N. Ivanenko ◽  
Frank D. Ferrari
Keyword(s):  
New Species ◽  
Papua New Guinea ◽  
Deep Sea ◽  
Hydrothermal Vents ◽  
Block Structure ◽  
New Guinea ◽  
Fault Block ◽  
The Family ◽  
Terminal Claw ◽  
Box Corer

A male of the new speciesStygiopontius senckenbergibelonging to the family Dirivultidae Humes & Dojiri, 1980 (Copepoda: Siphonostomatoida) and endemic to deep-sea hydrothermal vents, is described from a raised fault block structure south of Edison seamount of the New Ireland Fore-Arc system (Papua New Guinea). The copepods were collected in by box-corer during cruise SO-133 of the RV ‘Sonne’ at a depth of 1610–1625 m, 3°19′S 152°35′E. The new species belongs to a group of eight species that are separate from 21 congeners on the basis of setation of legs 1 and 4: the coxa of leg 1 has an inner seta (absent on the others) and the third exopodal segment of leg 4 has three outer spines (instead of two spines). The new species shares withS. pectinatusHumes, 1987 a pectinate maxilliped but differs from it in lacking two pectinate, terminal claw-like setae on the endopod of the antenna.

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