Complex sentence: The full grown otters measure approximately 0.9m from nose to tail tip, and can weigh up to 5kg.They feed on fish, frogs, crabs, crayfish and shellfish.
Split into simpler sentences: The full grown otters measure approximately 0.9m from nose to tail tip, and can weigh up to 5kg. It feeds on fish, frogs, crabs, crayfish and shellfish.