Setae for Gill-Cleaning of Six Species of Japanese Sentinel Crabs (Macrophthalmus)

Takashi Matsuoka; Hiroshi Suzuki; Miguel Vazquez Archdale

doi:10.1651/11-3480.1

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1 October 2011 Setae for Gill-Cleaning of Six Species of Japanese Sentinel Crabs (Macrophthalmus)

Takashi Matsuoka, Hiroshi Suzuki, Miguel Vazquez Archdale

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J. of Crustacean Biology, 31(4):598-605 (2011). https://doi.org/10.1651/11-3480.1

Abstract

The setae involved in the gill-cleaning mechanism of six species of Japanese sentinel crabs are described. The setae are classified as belonging to five types: anchor, serrate, simple, digitate-scale-setule, and normal setule setae. The anchor setae are further divided into ten sub types based on the combinations of digitate-scale setule, normal setule, anchor type, and the shape of their tip. Setae on out-growths and tips were compared with those identified in previous studies. As a result, the single row half anchor setae were found only in the subgenus Macrophthalmus and might be used as a special characteristic in the subgenus.

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Takashi Matsuoka, Hiroshi Suzuki, and Miguel Vazquez Archdale "Setae for Gill-Cleaning of Six Species of Japanese Sentinel Crabs (Macrophthalmus)," Journal of Crustacean Biology 31(4), 598-605, (1 October 2011). https://doi.org/10.1651/11-3480.1

Received: 2 February 2011; Accepted: 1 April 2011; Published: 1 October 2011

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