1. The paired Milne-Edwards openings represent the only significant entry points for ventilatory flow. Setae associated with the opening may serve to filter the inhalent water. 2. The ventral surface of the gill sieve is ...

1. Ventilation volume (V̇ [subscript G]) was monitored in the blue crab Callinectes sapidus using an electromagnetic flow probe. Mean resting value of ventilation volume for a 200g crab was 146±81ml•min⁻¹, oxygen consumption ...