Talitrus saltator Montagu (Crustacea Amphipoda) from a Tyrrhenian shore population (STFD = 264"), responded to immersion in sea and fresh water at various hours of the day by orienting, respectively, towards land and towards the sea. The latter response is identical to that obtained on a dry substratum in dehydrated conditions. The landward response remained in dilutions of sea water until a salinity between 5 and 3.5% was reached. The biological significance of these responses are discussed.
Orientation of Talitrus saltator Montagu (Crustacea Amphipoda) in fresh, sea and diluted sea water / F. SCAPINI. - In: MONITORE ZOOLOGICO ITALIANO. - ISSN 0026-9786. - STAMPA. - 13:(1979), pp. 71-76.
Orientation of Talitrus saltator Montagu (Crustacea Amphipoda) in fresh, sea and diluted sea water
SCAPINI, FELICITA
1979
Abstract
Talitrus saltator Montagu (Crustacea Amphipoda) from a Tyrrhenian shore population (STFD = 264"), responded to immersion in sea and fresh water at various hours of the day by orienting, respectively, towards land and towards the sea. The latter response is identical to that obtained on a dry substratum in dehydrated conditions. The landward response remained in dilutions of sea water until a salinity between 5 and 3.5% was reached. The biological significance of these responses are discussed.
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