ArticleScientific reports2025
Dietary ecology of the endangered seahorse Hippocampus haema unveiled through stable isotope analysis.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Understanding the dietary ecology of endangered species is essential for effective conservation. This study explores the trophic ecology of Hippocampus haema, an endangered seahorse species in South Korea, using stable isotope analysis (SIA). We assessed the feasibility of using the distal tail tip, which is rich in muscle tissue, for SIA to minimize specimen loss. Although this method has not been proven to be less invasive than fin clipping, it offers a practical alternative for small-sized or juvenile seahorses for which fin clipping provides insufficient tissue for analysis. A preliminary analysis confirmed that isotope values were consistent across different tail sections, validating the use of tail tips in dietary studies. We conducted two phases of analysis: (1) seasonal and size-based variation in δ
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