![Tope, starry smooth hound and spurdog shark species have been found in the River Thames. Getty Images / Alamy](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ZYMFBVG5VND2FGI5EM66LL2LP4.jpg?smart=true&auth=b72403456c533c7d476c9b81c21c18a954c74dd086475be2e8e200e8adeeba21&width=400&height=225)
Tope, starry smooth hound and spurdog shark species have been found in the River Thames. Getty Images / Alamy
Tope, starry smooth hound and spurdog shark species have been found in the River Thames. Getty Images / Alamy
Three shark species discovered in London's River Thames
Marine biologists believe the Selachimorpha gravitate to the Greater Thames Estuary to birth and rear their young