Adontosternarchus
Adontosternarchus is a genus of ghost knifefishes found in the Amazon and Orinoco river basins in tropical South America. They have blunt snouts, a dark-spotted or -mottled pattern on a pale background and reach up to in total length. They feed on zooplankton and can be found quite deep, with A. devenanzii recorded down to.
Species
There are currently six recognized species in this genus:- Adontosternarchus balaenops
- Adontosternarchus clarkae Francisco [Mago Leccia|Mago-Leccia], Lundberg & Baskin, 1985
- Adontosternarchus devenanzii Mago-Leccia, Lundberg & Baskin, 1985
- Adontosternarchus duartei Carlos [David Canabarro Machado de Santana|de Santana] & Vari, 2012
- Adontosternarchus nebulosus Lundberg & Cox Fernandes, 2007
- ''Adontosternarchus sachsi''