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Steinitz' Prawn-Goby Video Stock Footage
Steinitz' goby grows to a maximum length of 13 cm (5.1 in). It has protuberant eyes and a long narrow body. Its colouring is white with about five broad, transverse, reddish-brown bands with some fine pale yellow lines between them. The dorsal fin has a speckling of small orange spots and has seven spines and twelve soft rays while the anal fin has a single spine and also twelve soft rays. During the day the goby rests on the burrow floor, half out of the opening, or may make forays further afield to feed. It eats small invertebrates that it picks out of the sediment that has been disturbed by the shrimp or takes mouthfuls of sediment and extracts any edible matter. The shrimp is mainly a detritus feeder and is constantly stirring up the substrate. The shrimp cannot see well and extends its antennae behind the goby which uses a flick of its tail to alert the shrimp to approaching fish whereupon the shrimp rapidly retreats. The goby distinguishes between predators, bottom-stirring fish that may damage the burrow and harmless species and reacts appropriately. When the goby takes fright and swims into the burrow head first, the shrimp darts in immediately.
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