Synchirus, [698]

Synechodus, [445]

Syngnathidae, [634], [627], [628], [163], [205], [251], [354], [361], [416];

colours, [166];

protective coloration, [172]

Syngnathus, [634], [627], [635];

mouth, [154];

S. acus, [262], [271];

S. intestinalis, [635];

S. pelagicus, [634]