Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) >
Characiformes (Characins) >
Characidae (Characins) > Stevardiinae
Etymology: Monotocheirodon: Greek, monos = one + Greek, cheir = hand + Greek, odous = teeth (Ref. 45335); drilos: The specific name drilos is Greek masculine meaning penis. It is used in reference to the
prominent male inseminating organ. A noun in apposition.
Environment / Climate / Range
Ecology
Freshwater; benthopelagic. Tropical, preferred ?
South America: Ríos Tambopata and Madre de Dios, Río Madre de Dios basin in Peru.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.3 cm SL male/unsexed; (Ref. 94699); 3.8 cm SL (female)
Short description
Morphology | Morphometrics
Dorsal
soft rays
(total): 9-10;
Anal
soft rays: 11 - 14;
Vertebrae: 37 - 38. This species can be distinguished from its congeners by having the following characters: urogenital papilla externally visible in both males and females (vs. absent in M. pearsoni); length of urogenital papilla of sexually active males is shorter, half length of anal-fin base (vs. about equal to length of anal fin-base in M. kontos); dorsal fin height 16.1-17.8% SL in females and juveniles (vs. 13.4-15.8% SL in M. kontos); and 5 premaxillary tooth cusps (vs. 7 in M. kontos) (Ref. 94699).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Menezes, N.A., S.H. Weitzman and I. Quagio-Grassiotto, 2013. Two new species and a review of the inseminating freshwater fish genus Monotocheirodon (Characiformes: Characidae) from Peru and Bolivia. Papéis Avulsos de Zoologia (Museu de Zoologia da Universidade de São Paulo) 53(10):129-144. (Ref. 94699)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
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