|Anotopterus sp. (2008)|
Daggertooths are similar to the related lancetfishes in appearance, with a large mouth and dagger-like teeth. However, as their scientific name (meaning "without fins on its back") suggests, they lack the large dorsal fins of the lancetfishes. They grow to as long as 147 cm (4.82 ft).
The currently recognized species in this genus are: 
- Anotopterus nikparini, Kukuev, 1998 (North Pacific daggertooth)
- Anotopterus pharao, Zugmayer, 1911 (daggertooth)
- Anotopterus vorax, Regan, 1913 (south ocean daggertooth)
- Johnson, R.K.; Eschmeyer, W.N. (1998). Paxton, J.R.; Eschmeyer, W.N., eds. Encyclopedia of Fishes. San Diego: Academic Press. p. 126. ISBN 0-12-547665-5.
- Froese, Rainer, and Daniel Pauly, eds. (2012). Species of Anotopterus in FishBase. February 2012 version.
- Stewart, Andrew. "Science report: Denizens of the deep: daggertooth and stareater." IPY-CAML Voyage 2008. Ministry of Fisheries. Crown Copyright: 2008.
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