Odontocharacidium aphanes (Weitzman & Kanazawa, 1977)
Green dwarf tetra
Odontocharacidium aphanes
photo by Hoffmann, P. and M. Hoffmann

Family:  Crenuchidae (South American darters), subfamily: Characidiinae
Max. size:  1.65 cm SL (male/unsexed)
Environment:  pelagic; freshwater; pH range: 5.80000019073486 - 7; dH range: 12
Distribution:  South America: Amazon River basin.
Diagnosis:  This species differs from Odontocharacidium varii by the following characters: absence of the antorbital, supraorbital laterosensory canal and of postcleithrum 1 (vs. presence of these 3 characters in O. varii); with bars restricted to the dorsal portion of the body (vs. conspicuous bars extending ventrally to the middle portion of the body); absence of blotches at the tip of the caudal peduncle (vs. presence of two dark round blotches at the tip of caudal peduncle (Ref. 122685).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 09 June 2020 Ref. (130435)
Threat to humans:  harmless


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