Food habits of small fishes in seagrass habitats in Trang, southern Thailand

Horinouchi, Masahiro; Tongnunui, Prasert; Furumitsu, Keisuke; Nakamura, Yohei; Kanou, Kouki; Yamaguchi, Atsuko; Okamoto, Ken; Sano, Mitsuhiko

doi:10.1007/s12562-012-0485-5

Cited by 25 publications

(38 citation statements)

References 33 publications

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“…There have been many studies on fish assemblages of tropical seagrass beds in the Caribbean (Nagelkerken et al 2000b;Dorenbosch et al 2007;Kopp et al 2010) and the Indo-Pacific (Unsworth et al 2007(Unsworth et al , 2009Horinouchi et al 2012), which have shown that these habitats support large numbers of species and individuals, and provide nursery and feeding areas for many fishes, including some commercially important species.…”

Section: Introductionmentioning

confidence: 99%

“…Several studies have been conducted on the feeding ecology of fish species inhabiting tropical seagrass beds in the Pacific and Atlantic Oceans, including those found in the Indo-Pacific (Hutomo & Peristiwady 1996;Nakamura et al 2003;Horinouchi et al 2012) and the Caribbean (Heck & Weinstein 1989;Nagelkerken et al 2000a). These studies showed that fishes in tropical areas consume similar prey to those found in temperate seagrass habitats.…”

Section: Introductionmentioning

confidence: 99%

“…These studies showed that fishes in tropical areas consume similar prey to those found in temperate seagrass habitats. For example, most species inhabiting seagrass habitats in southern Thailand primarily consumed small shrimp and copepods (Horinouchi et al 2012), while haemulid and lutjanid fishes in a Caribbean bay fed mainly on decapods and tanaidaceans (Nagelkerken et al 2000a).…”

Section: Introductionmentioning

confidence: 99%

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Feeding relationships among juveniles of abundant fish species inhabiting tropical seagrass beds in Cockle Bay, North Queensland, Australia

Kwak¹,

Klumpp

Park

2015

New Zealand Journal of Marine and Freshwater Research

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Dietary analysis was conducted on juveniles of 10 numerically abundant fish species inhabiting tropical seagrass beds in North Queensland, Australia. Gammarid amphipods were consumed by all of the species, but their contribution to the diet of each varied. Crab larvae and copepods contributed to the diets of Leiognathus bindus, Pranesus endrachtensis and Stolephorus sp.; polychaetes and isopods were consumed by Sillago maculata burrus, Lethrinus sp., Pelates sexlineatus and Siganus canaliculatus; and Favonigobius reichei, Coris caudimacula and Arothron manilensis fed on bivalves. Seagrass and gastropods were rarely ingested by most of these fishes, but made a moderate contribution to the diet of A. manilensis. With the exception of L. bindus, the diet of each species was correlated with size: smaller species consumed copepods, crab larvae and gammarid amphipods, while larger species ate polychaetes, bivalves, isopods and gastropods. Non-metric multidimensional scaling (MDS) ordination plots emphasised the variation in dietary composition between species, and showed that this was often correlated with mouth length and width of the fish-for example, species with larger mouth dimensions tended to have broader diets. These interspecific differences in dietary composition increase the number of food resources available to these fishes, thereby reducing the potential competition for resources within the fish community.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Feeding relationships among juveniles of abundant fish species inhabiting tropical seagrass beds in Cockle Bay, North Queensland, Australia

Kwak¹,

Klumpp

Park

2015

New Zealand Journal of Marine and Freshwater Research

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“…Immediately after collection, each entire sample was fixed in 10 % buffered formalin. Planktonic copepods, such as calanoid and cyclopoid copepods and their nauplii, mysids, and small shrimps, also being important food items of many seagrass fishes in the present coastal area (Satapoomin and Satapoomin 2005;Horinouchi et al 2012), were counted under a binocular microscope in the laboratory. The densities of these prey items were expressed as numbers of individuals/m 3 .…”

Section: Methodsmentioning

confidence: 99%

Effects of habitat change from a bare sand/mud area to a short seagrass Halophila ovalis bed on fish assemblage structure: a case study in an intertidal bay in Trang, southern Thailand

et al. 2016

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“…As primary producers, seagrasses form the basis of food webs and almost exclusively comprise the diet of important macro-grazers, such as dugongs ( Dugong dugon ) and green sea turtles ( Chelonia mydas )2. Additionally, seagrass meadows act as nursery and foraging grounds for many subsistence and commercial fishery species345. The extensive network of roots and rhizomes below ground also facilitate sediment stabilisation16 and sequester carbon, which is highly valued in carbon trading (known as “Blue carbon”)78.…”

mentioning

confidence: 99%

Combined effects of temperature and the herbicide diuron on Photosystem II activity of the tropical seagrass Halophila ovalis

Wilkinson

Collier

Flores

et al. 2017

Sci Rep

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Tropical seagrasses are at their highest risk of exposure to photosystem II (PSII) herbicides when elevated rainfall and runoff from farms transports these toxicants into coastal habitats during summer, coinciding with periods of elevated temperature. PSII herbicides, such as diuron, can increase the sensitivity of corals to thermal stress, but little is known of the potential for herbicides to impact the thermal optima of tropical seagrass. Here we employed a well-plate approach to experimentally assess the effects of diuron on the photosynthetic performance of Halophila ovalis leaves across a 25 °C temperature range (36 combinations of these stressors across 15–40 °C). The thermal optimum for photosynthetic efficiency (▵) in H. ovalis was 31 °C while lower and higher temperatures reduced ▵ as did all elevated concentrations of diuron. There were significant interactions between the effects of temperature and diuron, with a majority of the combined stresses causing sub-additive (antagonistic) effects. However, both stressors caused negative responses and the sum of the responses was greater than that caused by temperature or diuron alone. These results indicate that improving water quality (reducing herbicide in runoff) is likely to maximise seagrass health during extreme temperature events that will become more common as the climate changes.

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Food habits of small fishes in seagrass habitats in Trang, southern Thailand

Cited by 25 publications

References 33 publications

Feeding relationships among juveniles of abundant fish species inhabiting tropical seagrass beds in Cockle Bay, North Queensland, Australia

Feeding relationships among juveniles of abundant fish species inhabiting tropical seagrass beds in Cockle Bay, North Queensland, Australia

Effects of habitat change from a bare sand/mud area to a short seagrass Halophila ovalis bed on fish assemblage structure: a case study in an intertidal bay in Trang, southern Thailand

Combined effects of temperature and the herbicide diuron on Photosystem II activity of the tropical seagrass Halophila ovalis

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