7 gills are in LJ but they are ususally deeper especialy in the summer. 7 gills are kinda brownish tan with spots, with a broad short head, and a long tail. 7s look like slugs but they can get determined at times. The spear guys in LJ occationaly end up going mano a mano with them over speared WSB. If they were grey they might have been soup fins. We don't have too many sharks in so cal that fit your discription. Mike
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