While exact population numbers for H. kuda remain unknown, Project Seahorse trade surveys conducted between 2000–2001 have inferred that seahorse numbers in the wild appear to have declined throughout its range. For example, in Hong Kong traders reported that local seahorses, while common 30 years ago, were rarely found in 2000, with the decrease in availability attributed to habitat destruction and pollution (B. Kwan, unpublished data). In India half of the surveyed fishers (n=80/160) reported decreases in catch of seahorses (A. Perry, unpublished data), while in the Philippines fishers targeting seahorses specifically (n=7) reported declines of between 50% and 95% from as early as 1980 and as recently as 1997 (M. Pajaro, unpublished data). The fishers in the Philippines cited overfishing, the increasing population of fishers and indiscriminate catch of seahorses, including pregnant and immature seahorses, as causes of the decline in catch (M. Pajaro, unpublished data).
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