The trivial name of the viviparous blenny, or guffer, the backbone of which is green when boiled; also of the gar-fish.
"The Sailor's Word-Book" by William Henry Smyth
Both among the cartilaginous and bony fishes viviparity occurs.
"Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 1" by Various
Many species are ovo-viviparous, and from their small size and lively behaviour they are much appreciated as aquarium fishes.
"Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8" by Various