Motobdella montezuma

Motobdella montezuma
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Annelida
Clade: Pleistoannelida
Clade: Sedentaria
Class: Clitellata
Subclass: Hirudinea
Order: Arhynchobdellida
Family: Erpobdellidae
Genus: Motobdella
Species:
M. montezuma
Binomial name
Motobdella montezuma
(Davies, Singhal & Blinn, 1985) 
Synonyms 

Erpobdella montezuma Davies, Singhal & Blinn, 1985

Motobdella montezuma is a species of leech which is only found in Montezuma Well, central Arizona, United States. It is a nocturnal pelagic predator that feeds almost exclusively on the endemic amphipod Hyalella montezuma, which it detects using passive sonar and swallows whole.