bluntnose guitarfish

{{Short description|Species of cartilaginous fish}}

{{Speciesbox

| name = Bluntnose guitarfish

| image = Acroteriobatus blochii female juvenile alcohol-preserved MNHN-IC-0000-3473.jpg

| image_caption = A female juvenile A. blochii preserved in alcohol

| status = LC

| status_system = IUCN3.1

| status_ref =

| genus = Acroteriobatus

| species = blochii

| authority = J. P. Müller & Henle, 1841

| synonyms =

{{Species list

| Rhinobatos blochii | (Müller & Henle, 1841)

| Rhinobatos blochii | Müller & Henle, 1841

| Rhinobatus blochii | Müller & Henle, 1841

}}

| synonyms_ref =

}}

The bluntnose guitarfish or fiddlefish (Acroteriobatus blochii) is a species of ray in the family Rhinobatidae.{{cite WoRMS|last=Bailly|first=Nicolas|date=19 July 2017|title=Acroteriobatus blochii (Müller & Henle, 1841)|id=1022262|access-date=17 February 2025}} It found in Angola, Namibia, and South Africa.{{cite iucn |last=Pollom |first=R. |last2=Bennett |first2=R. |last3=Da Silva |first3=C. |last4=Ebert |first4=D.A. |last5=Leslie |first5=R. |last6=McCord |first6=M.E. |last7=Winker |first7=H. |year=2019 |title=Acroteriobatus blochii |page=e.T60164A124446536 |doi=10.2305/IUCN.UK.2019-3.RLTS.T60164A124446536.en |access-date=5 May 2025}} Its natural habitats are shallow seas and estuarine waters. It is potentially threatened by habitat loss owing to diamond mining on the Namibian coast. A. blochii is frequently misidentified as and closely related to A. annulatus.{{Cite journal |last=van Staden |first=Michaela |last2=Ebert |first2=David A. |last3=da Silva |first3=Charlene |last4=Bester-van der Merwe |first4=Aletta Elizabeth |date=December 2022 |title=Comparative analyses of the complete mitochondrial genomes of two southern African endemic guitarfish, Acroteriobatus annulatus and A. blochii |journal=International Journal of Biological Macromolecules |volume=223 |issue=A |pages=1094–1106 |doi=10.1016/j.ijbiomac.2022.10.285 |pmid=36372109}}