Retroculus lapidifer
... that during feeding, the cichlid fish Retroculus lapidifer dives into the sediment with its mouth open and then expels sand through its gill chambers?
... that during feeding, the cichlid fish <i id="mwA7g"><b id="mwA7k"><a href="./Retroculus_lapidifer" id="mwA7o" rel="mw:WikiLink" title="Retroculus lapidifer">Retroculus lapidifer</a></b></i> dives into the sediment with its mouth open and then expels sand through its gill chambers?