Edit Corynopoma riisei
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Name
Scientific name
Corynopoma riisei
Described by
Not recorded
Family
Characidae
Common names
Swordtail Characin
Photograph credits
All 2 credited
Summary
The swordtail characin, Corynopoma riisei, is an unusual tetra from northern Venezuela, the Villavicencio area of Colombia and the island o…
Size and aquarium
Maximum size
65mm, standard length
Aquarium size
Minimum length 75 cm, Minimum depth 38 cm, Minimum height 30 cm
Water
Water conditions
Temperature 22–28°C, pH 6–7
Hardness
1–15dGH
Conductivity
Not recorded
Behaviour
Temperament
Not recorded
Social needs
A shoal or group
Community suitability
Not recorded
Where it lives
Countries, regions, rivers and lakes
Colombia, Trinidad and Tobago, Venezuela
Writing
Etymology
Not written yet
Distribution
Northern Venezuela and the Villavicencio area in Colombia. There's also a thriving extant population existing on the island of Trinidad.
Habitat
An exclusively freshwater species inhabiting coastal rivers and tributaries. In Trinidad it has been collected in various habitats from slow-moving, silt-laden…
Aquarium size
It's very active and despite the dimunitive adult size a group would need a tank measuring at least 75 ∗ 38 ∗ 30 cm - ~86 litres.
Maintenance
C. riisei is predominantly a surface-dwelling, pelagic animal and thus the aquarium should contain plenty of open space for swimming. It looks particularly eff…
Water conditions
Temperature: 22 – 28 °C. Ideally aim for the upper end of this range. pH: Prefers slightly acidic water pH 6.0 - 7.0, although it can survive under more alkali…
Diet
The upturned mouth and keeled body shape suggest that this species feeds primarily on small invertebrates taken from the water surface in nature. In the aquari…
Behaviour and compatibility
Generally a very peaceable species, although males can sometimes squabble amongst themsleves. This is one very good reason why it should always be kept in grou…
Sexual dimorphism
Males possess masses of glandular tissue on the caudal peduncle and extending into the base of the caudal fin itself. These caudal glands are partially covered…
Reproduction
This species has a particularly intriguing method of reproduction. As with other members of the family, females are literally inseminated by males, and chemica…
Notes
This unusual tetra is not often seen on sale in the trade, but is never particularly expensive when available. It is currently the only member in the genus alt…
References
References
No references