Hemigrammus rodwayi

Scientific name: Hemigrammus rodwayi Durbin, 1909

Hemigrammus rodwayi

Hemigrammus rodwayi is a freshwater fish of the family Characidae that grows to about 5.3 cm (2.1 in). It is peaceful, suits community aquariums and needs a tank of at least 75 L (20 US gal), water at 24–28°C (75–82°F) and a pH of 6.0–6.5. Native range: South America, Rivers of Guyana, Suriname, French Guiana, and Amazon River basin where it is particularly abundant in coastal creeks and floodplains.

Hemigrammus rodwayi care at a glance

Temperament
Peaceful
Community tank
Good
Adult size
5.3 cm (2.1 in)
Minimum tank
75 L (20 US gal)
Temperature
24–28°C (75–82°F)
pH
6.0–6.5
Hardness
10–15 dGH (178–268 ppm)
Diet
Omnivore. Accepts flakes and live foods.

Biology

Particularly abundant in coastal creeks and floodplains where it is supported by a certain salinity level. It is vulnerable to a trematode parasite which induces a characteristic cutaneous reaction. Reproduction in captivity has been successful. Maximum length questionable.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Hemigrammus rodwayi
Family
Characidae (Characins)
Order
Characiformes (Characins)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
5.3
Environment
Freshwater;; pH range: 6.3 - ?; dH range: ? - 12 benthopelagic
Climate
Tropical
Distribution
South America: Rivers of Guyana, Suriname, French Guiana, and Amazon River basin.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Aquarium: commercial
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tmax=4)

More tetras & characins

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Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0. Aquarium care parameters compiled, checked and converted to metric and imperial units by Guppies.za.net.

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