NDLI: Size-dependent feeding association of two wrasses (genusPseudolabrus) with the morwong,Goniistius zonatus

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Ichthyological Research : Volume 45

Ichthyological Research : Volume 44

Size-dependent feeding association of two wrasses (genusPseudolabrus) with the morwong,Goniistius zonatus

Content Provider	Springer Nature Link
Author	Matsumoto, Kazuri Kohda, Masari Yanagisawa, Yasubu
Copyright Year	1999
Abstract	While foraging on the substrate, two closely-related wrasses,Pseudolabrus eoethinus andP. sieboldi, which occur sympatrically in the Uwa Sea, Shikoku Island, Japan, often accompanied the morwong,Goniistius zonatus, eating benthic invertebrates flushed out by the latter's feeding activities. Both wrasses tended to feed more frequently in such an association than when solitary.Pseudolabrus eoethinus (9–17 cm TL) accompaniedG. zonatus more frequently than the smallerP. sieboldi (7.5–12 cm TL), large individuals of the former attending the host more often than smaller ones. This tendency was not apparent inP. sieboldi. The size-dependent association frequency was determined by 1) the chances of encountering a host, and 2) interference among the wrasses. The frequency of encounter of wrasses with a host depended on the home range size of the former, such being positively correlated with body size. Interference among the wrasses resulted in smaller individuals being repelled by larger ones, irrespective of species, when they were approaching or attending a host.
Starting Page	57
Ending Page	65
Page Count	9
File Format	PDF
ISSN	13418998
Journal	Ichthyological Research
Volume Number	46
Issue Number	1
e-ISSN	16163915
Language	English
Publisher	Springer-Verlag
Publisher Date	1999-01-01
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Pseudolabrus benthivore feeding ecology feeding association body size Ecology Marine Ecology Zoology Animal Systematics/Taxonomy/Biogeography
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

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