Narrowhead rockcod Narrow-headed Altai osman Narrow-headed puffer Narrow-lined puffer Narrow-lined siphonfish Narrowmouthed catshark Narrownape barbelgoby Narrownecked oceanic eel Narrownose smooth-hound Narrowsnout grenadier Narrow-snouted pipefish Narrowstripe cardinalfish Narrowstripe pipefish Narrow-striped anchovy Narrowtail catshark Narrow-tail goatfish Narrowtail moray Narrowtail stingray Naru eagle ray Nasal-bar pygmygoby Nasca bigeye Nascent membranehead Nash's barb Nassau grouper Natal anchovy Natal angler Natal Catfish Natal dottyback Natal duckbill Natal electric ray Natal fingerfin Natal flounder Natal flounders Natal knifejaw Natal mountain catfish Natal pandora Natal rockskipper Natal sergeant Natal snakelet Natal toby Natal tongue-fish Natal topminnow Natal weedfish Natal wrasse Natterer's anchovy Naude's pygmygoby Nautla cichlid Navaga Nazas chub Nazas pupfish