Largest mouth (proportionately)
Linophryne coronata
45 percentage
Pacific Ocean ()
The largest mouth of any animal, in relation to body size belongs to the fish species, Linophryne coronata, whose mouth (when taken as a measurement from the tip of the snout to the posterior most corner of the mouth) accounts for over 45% of the fish's body length. Linophryne coronata is known from 22 specimens collected at depths as shallow as 90 m (295 ft) and as deep as 3,000 m (9,840 ft) in the North Atlantic and North Pacific oceans; the largest of these specimens measured 225 mm (8.85 in) long.