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Sixbar Wrass Video Stock Footage
The sixbar wrasse grows to a maximum total length of 20 cm (8 in). The dorsal fin has 8 spines and 12 to 14 soft rays, while the anal fin has 3 spines and 11 soft rays. It is a greenish fish with four dark bars on its upper body and two more saddle-like bars over the caudal peduncle. In larger adults, the head has a number of pink streaks radiating from near the eye. An aquarium fish of this species was observed to use a rock as an anvil. The fish was fed pellets that were too hard for it to chew and too large for it to swallow. The fish carried each pellet to a particular rock where it succeeded in breaking the pellet in pieces. It used the same behaviour and the same rock on a number of occasions, demonstrating a capacity for remembering how to solve the hard-pellet problem.
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