Rastrelligerfaughni : body slimer , its depth at margin of gill cover about 5.0 time in standard length (3.7 to 4.0 in R.brachysona ) ; intestine about equal to standard length ; gill rakers shorter than snout , notextending far into mouth when the latter opened , and less numerous (20 to 25 on lower limb of first gill arch ;30 to 48 in R.brachysona ) ; only 30 to 55 bristles on one side of the longest gill raker.