| age structure of annual nothobranchius fishes in mozambique: is there a hatching synchrony? | the age structures of populations of african annual nothobranchius spp. were examined for the first time. daily increments in sagittal otoliths of nothobranchius furzeri, nothobranchius kadleci, nothobranchius orthonotus and nothobranchius rachovii from southern and central mozambique were used for age determination. four hypotheses were tested: (1) timing of hatching is consistent with the calendar onset of the rainy season, (2) hatching is synchronized within a population in a pool, (3) there ... | 2011 | 21366573 |