Canary Islands La Gomera taking 1000 captives to be sold as slaves. Another noteworthy attack occurred in 1797, when Santa Cruz de Tenerife was attacked by a British fleet under Horatio Nelson on 25 July. The British were repulsed, losing almost 400 men. It was during this battle that Nelson lost his right arm. The sugar-based economy of the islands faced stiff competition from Spain's American colonies. Low prices in the sugar market in the 19th century caused severe recessions on the islands. A new cash crop, cochineal ("cochinilla"), came into cultivation during this time, saving the islands' economy. During this time
Canary Islands variety of endemic (local) taxa including the: Terrestrial fauna includes geckos, wall lizards, and three endemic species of recently rediscovered and critically endangered giant lizard: the El Hierro giant lizard (or Roque Chico de Salmor giant lizard), La Gomera giant lizard, and La Palma giant lizard. Mammals include the Canarian shrew, Canary big-eared bat, the Algerian hedgehog (which may have been introduced) and the more recently introduced mouflon. Some endemic mammals, the lava mouse, Tenerife giant rat and Gran Canaria giant rat, are extinct, as are the Canary Islands quail, long-legged bunting, the eastern Canary Islands chiffchaff and the giant