Physiological responses to fluctuation in temperature or salinity in invertebrates. Adaptations of <I>Alpheus</I><I> </I><I>viridari</I> (Decapoda, Crustacea), <I>Terebellides</I><I> </I><I>parva</I><I> </I>(Polychaeta) and <I>Golfingia</I><I> </I><I>cylindrata</I> (Sipunulida) to the mangrove habitat