The drawback is that it's kinda slow; a high bailout value (required to get the range) forces one to use the flotating point algorithm.
The ear of all nonteleostean actinopterygian fishes (Grande and Bemis 1996) does not differ much from that of ratfish (considered by most an ancient line of cartilaginous fish), with the notable exception of the position of the ultricular macula.
But, for someone looking at it objectively, the relationship is a deceptive one – because at the same time as cariocas can't be seen working (shut up as they are in offices, government institutions and commercial establishments), everyone can see cariocas not working.
This is the only mention of swastikas, and it's as if Nersesian is making up the rules as he goes along — all too possible with a cipherlike narrator whose memory is shot.