Three new species of agathotanaids (Tanaidacea: Paratanaoidea: Tanaidomorpha) from the lower bathyal zone off southwestern Java, Indonesia, Indian Ocean with notes on the global distribution and diversity of Agathotanaidae

Chim, C. K.; Tong, Samantha Jia Wen

doi:10.11646/zootaxa.5004.1.3

Cited by 3 publications

(3 citation statements)

References 49 publications

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“…The genus Agathotanais is a cosmopolitan taxon. It was recorded in temperate and tropical zones of the Atlantic, Indian, and Pacific Oceans (Kakui and Kohtsuka, 2015;Chim and Tong, 2021). So far, the genus is absent only from the south of the Antarctic Polar Front (Błażewicz-Paszkowycz and Siciński, 2014;Pabis et al, 2014), although one undescribed species of Agathotanais was registered for the slope of the Scotia Sea (Pabis et al, 2015).…”

Section: Distributionmentioning

confidence: 99%

“…Regardless of the wide zoogeographical distribution of the genus, each species of Agathotanais usually has a narrow zoogeographical range (with the exception of A. hanseni and A. ingolfi; see Kakui and Kohtsuka, 2015;Chim and Tong, 2021). They are often limited to a defined basin (e.g., sea or trench), although in the case of A. jani the boundary is not physically obvious.…”

Section: Distributionmentioning

confidence: 99%

“…Agathotanais is considered a deep-water genus (Kudinova-Pasternak, 1970, 1989, 1990Larsen, 2007), which mainly occurs below continental shelf depths; hence their lack of eyes supports a deep-sea origin. In the North West and Central Pacific, they occur between 3,400 and 5,500 m (e.g., Larsen, 1999;Kakui and Kohtsuka, 2015;Chim and Tong, 2021), but three species, two off Japan (A. toyoshioae; A. misakiensis) and one-off SE Australia (A. spinipoda Larsen, 1999), were found on the shelf (95 m; 200-493 m) and the slope 400-1,840 m, respectively (Larsen, 1999;Kakui and Kohtsuka, 2015).…”

Section: Depth Rangesmentioning

confidence: 99%

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Diversity of Pacific Agathotanais (Peracarida: Tanaidacea)

et al. 2022

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Agathotanais is one of the seven genera classified into the family Agathotanaidae. So far, 12 species have been described for the genus, seven of which are known from the Pacific. However, considering the present poor state of knowledge on deep-sea environments, a much higher number of Agathotanais species than currently known can be suspected. Among the studied material, collected from below 1,000 m during five deep-sea expeditions in different parts of the Pacific Ocean, we identified eight species: two of them were already known to the science and five species were identified as new to knowledge and their formal description is presented in the paper: two from the North West Pacific (the Sea of Okhotsk and Kuril-Kamchatka Trench), two from the Central Pacific (Clarion-Clipperton Fracture Zone), and one from the Australian slope. The eighth Agathotanais species in our material was determined using a molecular approach, but it was represented by only one partially destroyed individual and could therefore not be formally described. The proportion of Agathotanais collected at the Sea of Okhotsk was the highest (22%), whereas the numbers were substantially lower for the Kuril-Kamchatka Trench, and the Central and the Southern Pacific. Molecular analyses confirmed the monophyly of Agathotanais and Paragathotanais and a close relationship between both genera. Moreover, a close relationship between the two Australian species was revealed. As a result of our findings, the number of species known from the Pacific increased from 5 to 11, with the total number of species in this genus increasing from 12 to 17. An updated identification key for Agathotanais species is given.

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Section: Distributionmentioning

confidence: 99%

Section: Distributionmentioning

confidence: 99%

Section: Depth Rangesmentioning

confidence: 99%

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Diversity of Pacific Agathotanais (Peracarida: Tanaidacea)

et al. 2022

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Description of a new species of an apseudomorph tanaidacean (Crustacea: Peracarida: Tanaidacea: Kalliapseudidae) from India

V.K.,

PADATE,

CUBELIO

2024

Zootaxa

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A synopsis of the Tanaidacea (Crustacea: Peracarida) of Singapore, with a review of tanaidacean diversity in Southeast Asia and the South China Sea

KONG

2024

Zootaxa

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In the first comprehensive taxonomic study of the tanaidacean fauna of Singapore, a total of 23 species belonging to two suborders, three superfamilies, 13 families and 22 genera were identified from approximately 2,400 specimens, including 11 species that are possibly new to science. This material was collected from various localities in Singapore waters, from the intertidal zone to subtidal habitats up to 91 m in depth. Many species exhibited a narrow bathymetric distribution and strong affiliation to certain habitats or microhabitats such as mudflats, coral reefs, and barnacle shells on rocky shores. The Singapore Strait yielded 20 tanaidacean species, almost thrice the number of species (7) present in the Johor Straits. Three species were confined to the brackish waters in the inner parts of the Johor Straits and Sungei Pandan. Furthermore, a total of 153 tanaidacean species has now been recorded from Southeast Asia and the South China Sea. The presence of the family Numbakullidae in this region is also documented for the first time.

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Three new species of agathotanaids (Tanaidacea: Paratanaoidea: Tanaidomorpha) from the lower bathyal zone off southwestern Java, Indonesia, Indian Ocean with notes on the global distribution and diversity of Agathotanaidae

Cited by 3 publications

References 49 publications

Diversity of Pacific Agathotanais (Peracarida: Tanaidacea)

Diversity of Pacific Agathotanais (Peracarida: Tanaidacea)

Description of a new species of an apseudomorph tanaidacean (Crustacea: Peracarida: Tanaidacea: Kalliapseudidae) from India

A synopsis of the Tanaidacea (Crustacea: Peracarida) of Singapore, with a review of tanaidacean diversity in Southeast Asia and the South China Sea

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