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Species composition, numbers and biornass of the nekton comn~unity on a regularlyflooded Spartina marsh near Beaufort, North Carolina, USA, was estimated for 1 yr using modified 10 m block nets. Thirty-five fish species dominated by mummichog Fundulus heteroclitus, spot Leiostomus xanthurus and pinfish Lagodon rhornboides were captured from the marsh surface. Numbers were greatest in April (1300 per 10 m of marsh edge); biomass was greatest in September (900 g per 10 m). Stream Order 1 (rivulet) marsh was occupied by fewer species, but contained greater numbers and biomass than Stream Order 3 (channel) marsh.
WF Hettler (Sun,) studied this question.