The joint Swire Institute of Marine Science, Hong Kong, and Natural History Museum, London, Hong Kong Submarine Caves Expedition, 2002: introduction

Morton, Brian; Bamber, Roger N.; Robbins, Roni

doi:10.1080/00222930701848293

Cited by 8 publications

(3 citation statements)

References 6 publications

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“…Among these species, only three were identified to the species level, each collected from a different environment. Pycnogonum coninsulum inhabited a submarine cave at 33‰ salinity, with no information on light provided (Bamber, 2008; Morton et al ., 2008). Anoplodactylus batangensis came from among vegetation in the illuminated anchialine pool of a cenote (1.63 salinity; Alvarez and Ojeda, 2018).…”

Section: Discussionmentioning

confidence: 99%

New sea spider species (Pycnogonida: Austrodecidae) from a submarine cave in Japan

Kakui

Fujita

2023

J. Mar. Biol. Ass.

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We describe a new sea spider species, Pantopipetta hosodai sp. nov., based on one juvenile female collected from a submarine cave (‘Akumanoyakata’ Cave) in Shimojijima Island, Miyako Island Group, Ryukyu Islands, southwestern Japan. It was collected from the second slope zone of the cave, 80–100 m from the entrance, no light, low salinity and with rocky substrate. This is the first record globally of a Pantopipetta species from a submarine cave and anchialine environment. Pantopipetta hosodai sp. nov. resembles Pantopipetta auxiliata, Pantopipetta lenis and Pantopipetta oculata in having auxiliary claws, but differs from them in having a palp with three short distal articles, lateral processes without dorsodistal tubercles, coxae 1 and 3 of legs 1–3 each with one long dorsal tubercle and one dorsodistal tubercle bearing a seta on each femur. Features of the palp appear to delineate two species groups in Pantopipetta, i.e. (1) those having four small distal articles, and a small, basal palp article between the lateral cephalon process and longest palp article (eight-articulate palp) and (2) those having three small distal articles, and lacking the small basal article (six-articulate palp), but further detail examination of the described species is needed. We discuss the diagnostic characters separating Pantopipetta and Austrodecus and the generic affiliation of Austrodecus aconae. Few pycnogonids from marine or anchialine caves have been identified to species, and it is generally unknown whether cave-dwelling pycnogonids tend to be troglobites.

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Section: Discussionmentioning

confidence: 99%

New sea spider species (Pycnogonida: Austrodecidae) from a submarine cave in Japan

Kakui

Fujita

2023

J. Mar. Biol. Ass.

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“…The identification and subsequent description of new species collected forms the basis of this paper. The caves were formed at sea level, but now lie at a depth of some 12 to 16 m (Morton et al 2008). Conic Island Cave had been sampled by diving in 1998, and proved to support a diverse community, of which some of the peracarid tanaidacean crustaceans were novel (Bamber 2000).…”

Section: Introductionmentioning

confidence: 98%

“…The caves form a sheltered habitat floored with a fine muddy substratum in shell breccia. This substratum is distinct from that of the surrounding seabed, where hydrography has resulted in a generally coarser substratum, and one subject to impact from fishing and dredging (Morton et al 2008). The anticipation (as supported by the work on tanaidaceans (Bamber 2000)) was that the caves act as a refuge for species adapted to the sheltered habitat and which are scarce or absent in the surrounding sea.…”

Section: Introductionmentioning

confidence: 98%

Amphipoda from marine caves of Hong Kong Island

Horton

2008

Journal of Natural History

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A collection of 32 amphipod species from submarine cave habitats and control sites to the east of Hong Kong Island was made during a joint NHM/SWIMS expedition in October 2002. Three families (Caprellidae, Endevouridae and Kamakidae), nine genera (Monoliropus, Caprella, Paraloiloi, Leptocheirus, Microjassa, Cerapus, Listriella, Ensayara and Birubius) and 12 species (Monoliropus concavimanus sp. nov.; Caprella aff. penantis; Elasmopus sp. A; Ptilohyale aff. barbicornis; Cerapus sp. A; Paraloiloi sp. A; Ensayara bifurcata sp. nov.; Birubius nauarchuncus sp. nov.; Podocerus cluspiclunis sp. nov.; Megaluropus sp. A; Urothoe sp. A (aff. cuspis); and Urothoe aff. spinidigitus) can be added to the amphipod checklist for the South China Sea area.

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The joint Swire Institute of Marine Science, Hong Kong, and Natural History Museum, London, Hong Kong Submarine Caves Expedition, 2002: discussion, conclusions and recommendations for conservation

Morton

Bamber

2008

Journal of Natural History

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Some two hundred taxa have been recorded from Hong Kong's submarine caves. Of these, at least eleven are new to science. The majority of species occurring on the walls and roofs in particular, however, are not cave endemics and have been recorded from other habitats in Hong Kong and elsewhere. Unlike the Tethyan karsted limestone caves of Japan and the Philippines in the Asian region, and elsewhere, Hong Kong's cave fauna is similar to other local sea bed habitats at similar depths, probably because of their modernity. Although the sediments that make up the cave's floors appear more stable (in terms of their faunistic composition), there is evidence that they are periodically infilled and flushed out. This may be either on a seasonal basis or following severe tropical storm and typhoon events. It is therefore likely that the infaunal taxa of the cave's floors are partly sustained by episodic colonization. Notwithstanding the lack of an identifiable endemicity, the caves act as refugia for a number of otherwise rare taxa, for example, the ahermatypic corals Balanophyllia eguchii and Tubastrea falkneri, and fishes gain protection within them from locally intense fishing activities. The caves also appear to contain epifaunal communities that are representative of earlier, undisturbed times and environmental conditions in Hong Kong. It is recommended that (i) the two caves on Conic Island and Steep Island be designated as Sites of Special Scientific Interest; (ii) that other caves be searched for and studied and (iii) more long-term studies be made of their physical environments and the communities they support.

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The joint Swire Institute of Marine Science, Hong Kong, and Natural History Museum, London, Hong Kong Submarine Caves Expedition, 2002: introduction

Cited by 8 publications

References 6 publications

New sea spider species (Pycnogonida: Austrodecidae) from a submarine cave in Japan

New sea spider species (Pycnogonida: Austrodecidae) from a submarine cave in Japan

Amphipoda from marine caves of Hong Kong Island

The joint Swire Institute of Marine Science, Hong Kong, and Natural History Museum, London, Hong Kong Submarine Caves Expedition, 2002: discussion, conclusions and recommendations for conservation

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