236 Rainbow Trout 
Rainbow trout are so named because the colours of their sides 
resemble those of a rainbow. They can be easily distinguished from 
a trout, both by their colour and the greater number of spots (see 
Fig. 214). In New Zealand, where they have rich feeding, they grow 
to over 20 lbs. and rise to fly. Tt is strange, however, that in this 
country when they become 2 lbs. or more in weight they seldom rise 
to a fly. When hooked they jump out of the water like sea-trout, 
and fight well to the last. 
