Deep in the underwater world, animals like starfish use unusual ways to escape predators. In an act called autotomy, starfish shed one or more of their limbs to flee their hunters. The severed, ...

Giant triton (snail) -> Crown-of-thorns starfish -> Hard coral One of the few predators of the crown-of-thorns starfish, the giant triton (Charonia tritonis) has evolved a tolerance to the ...

Year round this same species can be found all along the West Coast, from Baja California to Alaska. But in 2014, a disease nearly brought them to extinction here.

The concept of keystone species was first proposed and demonstrated in the 1960s by the dominance of top-predator starfish in intertidal ecosystems. Keystone species are species that play a ...

Threats include climate change, coastal development and the crown-of-thorns starfish. In one instance numbers of this coral predator increased 100 fold. This may have been due to overfishing of ...

The starfish use their sticky tube feet to climb ... an example of physiological and behavioural adaptations developed by predators and prey to attack and defend. Students can look for other ...