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1 December 2011 Burrow Plasticity in the Deep-Sea Isopod Bathynomus doederleini (Crustacea: Isopoda: Cirolanidae)
Toshinori Matsui, Tohru Moriyama, Ryuichi Kato
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We investigated whether the deep-sea isopod Bathynomus doederleini has the capacity to change burrow length in response to changes in environmental conditions. We observed burrowing behavior in individuals that were placed on substrates with either simple (ST) or complex (CT) surface topographies. Individuals in the ST group (N = 10) constructed seven burrows. The mean ratio of the burrow length to body length was 1.8. The individuals in the CT group (N = 10) constructed eight burrows with a mean ratio of burrow length to body length of 2.5. Thus the burrows were significantly longer in the CT group. In addition, the isopods in the CT group often incorporated a chamber in the mid-section of the burrow. Our results may be used to infer the determinants of burrow morphology and speculate about the lifestyle of this species in the deep sea.

© 2011 Zoological Society of Japan
Toshinori Matsui, Tohru Moriyama, and Ryuichi Kato "Burrow Plasticity in the Deep-Sea Isopod Bathynomus doederleini (Crustacea: Isopoda: Cirolanidae)," Zoological Science 28(12), 863-868, (1 December 2011).
Received: 11 March 2011; Accepted: 27 June 2011; Published: 1 December 2011
Bathynomus doederleini
deep sea
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