IUCN Red List Assessment
Red List Category Year Assessed
Near Threatened Red List Criteria Version
Moore, A.B.M. Reviewer/s
Stevens, J.D., Valenti, S.V. & Fowler, S.L. (Shark Red List Authority) Contributor/s Justification
This small carpetshark appears to be reasonably common; however, its distribution requires clarification as confusion with Chiloscyllium griseum
may have led to incorrect reporting. Clarification of this may therefore lead to a contraction in its currently reported range/abundance. The Arabian Carpetshark (Chiloscyllium arabicum
) is not targeted but appears to be a major bycatch element of trawl (and other) fisheries. Apparently it is little utilized in the Persian Gulf but probably it is used in Pakistan and India. It is reasonably hardy to trawl capture and aerial exposure but is also threatened by habitat loss throughout its range. This species is known to have close association with coral reef habitats, which are particularly prone to anthropogenic degradation and there is evidence that such habitats have been completely destroyed from some parts of its range (e.g., Bahrain). More generally, it is exposed to widespread habitat loss and modification, not least in the Persian/Arabian Gulf (drainage of Iraqi marshes and damming of rivers in Turkey affecting the northwest Gulf), coastal developments and effects to benthic communities from demersal trawling throughout much of its range. It is also known to accumulate organic pollutants such as PAHs. The threats of fishing and habitat degradation are likely to continue into the future and increase in intensity and coverage. As a result of these combined factors, this species is assessed as Near Threatened based on inferred continuing population declines approaching 30% in three generations (possibly ~27 years). Given that a proportion of discards may have a relatively high survival rate, a threatened category is not yet warranted, but the species may meet the criteria for VU A4bcd in the future. There is a need for quantitative distribution and abundance data.