A curious- and frightening-looking animal, the scorpion-crab is actually mostly harmless and entirely herbivorous.

Carharena crossia

Class: Elasmobranchii

Order: Lamniformes

Family: Lamnidae

Genus: Carharena

Distribution: Northern hemisphere.

Habitat: Freshwater lakes and rivers.

Food: Plant matter.

Description: Although the scorpion-crab looks dangerous, it is actually mostly harmless. Its stinger is barely powerful enough to cause pain in a grown human. The stinger is used exclusively for defence as the scorpion-crab is a herbivore.