Data on species list and the amount of macrophytes and mobile epi-benthic invertebrates in a subtropical seagrass-seaweed mixed bed in Ishigaki Island, Japan

Nakamoto, Kenta; Kawamura, Tomohiko; Kodama, Masafumi; Yamada, Hideaki; Kitagawa, Takashi; Watanabe, Yoshirô

doi:10.1016/j.dib.2018.07.031

Cited by 3 publications

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“…Extensive seagrass beds occurring in Nagura Bay, on the west side of Ishigaki Island, Yaeyama Archipelago, Okinawa Prefecture, Japan (Yamada et al ., 2018), support rich seagrass-associated invertebrates (Nakamoto et al ., 2018), therefore having potential as fish feeding grounds. However, the feeding patterns of fish assemblages are still unclear in the bay, although the trophic structure of seagrass fish assemblages has already been reported from Amitori Bay, Iriomote Island, adjacent to Ishigaki Island (Nakamura et al ., 2003).…”

Section: Introductionmentioning

confidence: 99%

Food habits of fishes in a subtropical seagrass bed in Nagura Bay, Ishigaki Island, southern Japan

et al. 2022

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Recent losses of seagrass beds have resulted in a decrease in seagrass-associated fishes, highlighting the need for the improved management of such habitats and resources. Analyses of feeding patterns of fish associated with seagrass habitats are useful for understanding their habitat dependence, which contributes to achieving their effective conservation. The gut contents of 61 fish species were examined to clarify the food habits of subtropical seagrass fishes in Nagura Bay, Ishigaki Island, southern Japan. A cluster analysis based on dietary overlaps showed that the seagrass fish assemblage comprised six trophic groups (small crustacean, large crustacean, detritus, plant, fish and zooplankton feeders). Small and large crustacean feeders were the most abundant, followed by detritus, plant and fish feeders. Zooplankton feeders were represented by only two species. Ontogenetic changes in food preference were recognized in four species, including Lutjanus fulviflamma, Ostorhinchus ishigakiensis, Gerres oyena and Siganus fuscescens. Small individuals of the four species generally fed on small crustaceans or detritus, subsequently switching to other larger prey items with growth (e.g. crabs, shrimps and seagrass fronds). The most important food items for the assemblage comprised harpacticoid copepods, shrimps, crabs and detritus, representing high cumulative gut volumes for all fishes. Some species showed diets remarkably different from those determined for fishes in other seagrass beds off a nearby neighbouring island, evidence of the food-use patterns of seagrass fishes varying on a small spatial scale. Such dietary flexibility may increase the adaptability of fishes to seagrass beds characterized by significant variations in available food resources.

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Section: Introductionmentioning

confidence: 99%

Food habits of fishes in a subtropical seagrass bed in Nagura Bay, Ishigaki Island, southern Japan

et al. 2022

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Disturbance of epifauna in seagrass-seaweed mixed beds by pesticides discharged into the coastal area: Asymmetric effect on crustaceans and molluscs

Kodama,

Onduka,

Tanita

et al. 2024

Marine Pollution Bulletin

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First record of the genus Cymadusa Savigny, 1816 (Crustacea: Amphipoda: Ampithoidae) from Japan, with redescription and DNA barcoding for C. imbroglio Rabindranath, 1972.

KODAMA,

MUKAIDA

et al. 2024

Zootaxa

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The ampithoid amphipod Cymadusa imbroglio Rabindranath, 1972 was collected from Ishigaki Island, southwest Japan, as the first Japanese record of the genus. The specimens collected from Ishigaki Island also represent the northernmost record of the species. We herein provide a detailed description and illustration of the specimens from Ishigaki Island. Sequences of COI were determined from two specimens for DNA barcoding and future taxonomic studies.

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Data on species list and the amount of macrophytes and mobile epi-benthic invertebrates in a subtropical seagrass-seaweed mixed bed in Ishigaki Island, Japan

Cited by 3 publications

References 1 publication

Food habits of fishes in a subtropical seagrass bed in Nagura Bay, Ishigaki Island, southern Japan

Food habits of fishes in a subtropical seagrass bed in Nagura Bay, Ishigaki Island, southern Japan

Disturbance of epifauna in seagrass-seaweed mixed beds by pesticides discharged into the coastal area: Asymmetric effect on crustaceans and molluscs

First record of the genus Cymadusa Savigny, 1816 (Crustacea: Amphipoda: Ampithoidae) from Japan, with redescription and DNA barcoding for C. imbroglio Rabindranath, 1972.

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