Warehou (Seriolella brama) are sometimes erroneously called trevally (though they do belong to the trevally family). They resemble trevally in general shape and colouring (blue-green above, silver below, with a dark blotch just behind the head), but differ in lacking bony scales (scutes) on the side of the body near the tail. Large specimens reach 3 ft in length. They are schooling fish, found to a depth of 50 fathoms, occurring mainly off the South Island and the southern part of the North Island.
by Lawrence James Paul, B.SC., Fisheries Division, Marine Department, Wellington.