Bovichtidae icefishes are characterised by a protrusible a not very elongated or pronounced snout. The gill membranes not connected to the isthmus and they project quite far forward. There is a single  lateral line.
Bovichtidae icefishes are distinguished by a protrudible snout that is not very long or sharply pointed. The gill membranes are not connected to the isthmus and extend quite far forward. There is a single lateral line.