The presence of Macromedaeus distinguendus (De Haan, 1835) (Brachyura, Xanthidae) in the shallow hydrothermal vent system off northeastern Taiwan-Reference-Cited by-同舟云学术

The presence of Macromedaeus distinguendus (De Haan, 1835) (Brachyura, Xanthidae) in the shallow hydrothermal vent system off northeastern Taiwan

Published:2018 Issue:7 Volume:91 Page:879-895
ISSN:0011-216X
Container-title:Crustaceana
language:
Short-container-title:Crustac.

Author:

Tseng Li-Chun¹,Limviriyakul Parinya¹²,Ho Ping-Ho³,Hwang Jiang-Shiou¹⁴

Affiliation:

1. 1Institute of Marine Biology, College of Life Sciences, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung 20224, Taiwan

2. 2Department of Marine Science, Faculty of Fisheries, Kasetsart University, 50 Ngamwongwan Rd., Chatuchak, Bangkok 10900, Thailand

3. 3Department of Environment Biology and Fishery Science, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung 20224, Taiwan

4. 4Center of Excellence for the Oceans, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung 20224, Taiwan

Abstract

Abstract The present study investigated the population of the xanthid brachyuran crab, Macromedaeus distinguendus (De Haan, 1835), at a toxic hydrogen sulfide, shallow hydrothermal vent area at Turtle Island, off northeastern Taiwan. This is the first record of this species from this extreme environment, and M. distinguendus is only the second brachyuran discovered in this area. The wet weight of male and female M. distinguendus varied from 0.11 to 1.22 g (mean ± standard deviation: 0.56 ± 0.39 g) and 0.06 to 0.62 g (0.37 ± 0.15 g), respectively. The wet weight: carapace width ratio was significantly correlated in both sexes. The local distribution patterns of M. distinguendus were different from those of the obligate hydrothermal crab Xenograpsus testudinatus N. K. Ng, J.-F. Huang & Ho, 2000 (Xenograpsidae) in this area. An analysis of resource use and habitat partitioning revealed that the two crab species were able to co-exist within the study area.

Publisher

Brill

Subject

Animal Science and Zoology,Aquatic Science

Link

https://brill.com/downloadpdf/journals/cr/91/7/article-p879_6.xml

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