The eggs of B. sexdentatus are 0.25 -- 0.30 mm ( 0.010 -- 0.012 in ) in diameter , and dark brown in colour .
Brachynotus sexdentatus lives in shallow water on muddy bottoms , at depths of up to 90 metres ( 300 ft ) .
The eggs of Brachynotus sexdentatus   are 0.25 -- 0.30 mm ( 0.010 -- 0.012 in ) in diameter , and dark brown in colour .
Brachynotus sexdentatus lives in shallow water on muddy bottoms , at depths of up to 90 metres ( 300 ft ) .