Complex sentence: It is efficient at evading potential predators, as it can scuttle along branches at the rate of 1 m/sec and can leap to safety in the water below, but it may become the victim of a predatory fish.
Split into simpler sentences: It is efficient at evading potential predators as it can scuttle along branches at the rate of one metre (yard) per second and can leap to safety in the water below. Here it may become the victim of a predatory fish.