Green dwarf tetra (Odontocharacidium aphanes), first described by Weitzman & Kanazawa, 1977 is a tiny fish. Adults typically reach 1.70 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.
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 .Cross section: compressed.
Behavioural data for Green dwarf tetra is currently being reviewed.
Freshwater; pelagic; pH range: 5.8 - 7.0; dH range: ? - 12. Tropical; 24°C - 28°C South America: Amazon River basin.
No observations yet - be the first to log one!
View all observations for Green dwarf tetra ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.