324 
TWO NEW GENERA AND SPECIES OF FISHES. 
thus proving, what from a prior examination we had inferred, 
that the fishes are adult; no signs of breeding have, however, as 
yet been discovered. 
They are essentially surf-fishes, coming in with the waves, and 
being swept up into the gulches and pools on the reefs; they 
never descend to the bottom, but swim here and there, keeping 
but a few inches beneath the surface; the pectoral fins are always 
kept fully expanded, at right angles to the body, and motionless, 
being utilised in fact solely as balancing media; the caudal fin 
and pedicle have a distinct downward curvature when the fish is 
swimming. 
