Family: Characidae
Hemigrammus erythrozonus — a Characidae from South America. Reaches 3.8–5.5 cm; keep at 21–27 °C.
A Characidae species native to South America: Hemigrammus erythrozonus lives middle of the water column over blackwater streams and flooded forest. Mostly peaceful; larger species predatory. Adults reach 3.8–5.5 cm. It is one of the aquarium-kept Hemigrammus species we profile, alongside Hemigrammus bleheri, Hemigrammus ocellifer, Hemigrammus rhodostomus.
A moderate-level species: mostly peaceful; larger species predatory; stable water matters more than fancy equipment.
Hold 21–27 °C and keep it stable — 21–27 °C curated husbandry range. Heater for stable tropical warmth.
Full size is 3.8–5.5 cm. Minimum tank: 36 L, with open swimming space along its middle of the water column habits.
Omnivore with carnivorous tilt. It forages naturally over dark sand and leaf litter, so let some food reach the bottom.
Mostly peaceful; larger species predatory. Recommended tankmates: Similar-sized peaceful community fish — Similar size and water needs. Avoid Much smaller fish — May outcompete or bully tiny tankmates.
Comes from South America: blackwater streams and flooded forest. Expect still to gentle current and moderate.
Not a noted jumper — a standard cover still keeps dust and spray in.
Egg-scatterer among fine plants. Subtle; females fuller-bodied.