First hydrothermal vent communities from the Indian Ocean discovered

Jun Hashimoto, Suguru Ohta, Toshitaka Gamo, Hitoshi Chiba, Toshiyuki Yamaguchi, Shinji Tsuchida, Takamoto Okudaira, Hajime Watabe, Toshiro Yamanaka, Mitsuko Kitazawa

Research output: Contribution to journalArticle

92 Citations (Scopus)

Abstract

Thriving chemosynthetic communities were located for the first time in the Indian Ocean between 2420 and 2450 m, on a volcanic knoll at the eastern crest of an axial valley, approximately 22 km north of the Rodriguez Triple Junction. The communities were distributed in a 40m by 80m field around the knoll. At least seven active vent sites, including black smoker complexes that were emitting superheated water at 360°C, were observed at the field. The faunal composition of the Indian Ocean hydrothermal vent communities had links to both Pacific and Atlantic vent assemblages. This discovery supports the hypothesis that there is significant communication between vent faunas in the Pacific and Atlantic Oceans via active ridges in the Indian Ocean.

Original languageEnglish
Pages (from-to)717-721
Number of pages5
JournalZoological Science
Volume18
Issue number5
DOIs
Publication statusPublished - Jul 2001

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Indian Ocean
Atlantic Ocean
active sites
Pacific Ocean
animal communication
valleys
fauna
water

ASJC Scopus subject areas

  • Animal Science and Zoology

Cite this

Hashimoto, J., Ohta, S., Gamo, T., Chiba, H., Yamaguchi, T., Tsuchida, S., ... Kitazawa, M. (2001). First hydrothermal vent communities from the Indian Ocean discovered. Zoological Science, 18(5), 717-721. https://doi.org/10.2108/zsj.18.717

First hydrothermal vent communities from the Indian Ocean discovered. / Hashimoto, Jun; Ohta, Suguru; Gamo, Toshitaka; Chiba, Hitoshi; Yamaguchi, Toshiyuki; Tsuchida, Shinji; Okudaira, Takamoto; Watabe, Hajime; Yamanaka, Toshiro; Kitazawa, Mitsuko.

In: Zoological Science, Vol. 18, No. 5, 07.2001, p. 717-721.

Research output: Contribution to journalArticle

Hashimoto, J, Ohta, S, Gamo, T, Chiba, H, Yamaguchi, T, Tsuchida, S, Okudaira, T, Watabe, H, Yamanaka, T & Kitazawa, M 2001, 'First hydrothermal vent communities from the Indian Ocean discovered', Zoological Science, vol. 18, no. 5, pp. 717-721. https://doi.org/10.2108/zsj.18.717
Hashimoto J, Ohta S, Gamo T, Chiba H, Yamaguchi T, Tsuchida S et al. First hydrothermal vent communities from the Indian Ocean discovered. Zoological Science. 2001 Jul;18(5):717-721. https://doi.org/10.2108/zsj.18.717
Hashimoto, Jun ; Ohta, Suguru ; Gamo, Toshitaka ; Chiba, Hitoshi ; Yamaguchi, Toshiyuki ; Tsuchida, Shinji ; Okudaira, Takamoto ; Watabe, Hajime ; Yamanaka, Toshiro ; Kitazawa, Mitsuko. / First hydrothermal vent communities from the Indian Ocean discovered. In: Zoological Science. 2001 ; Vol. 18, No. 5. pp. 717-721.
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