Edit Ladigesia roloffi
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Name
Scientific name
Ladigesia roloffi
Described by
Authority Géry, Year 1968
Family
Alestidae
Common names
Jelly Bean Tetra
Photograph credits
All 5 credited
Summary
The jelly bean tetra, Ladigesia roloffi, is a small alestid from Sierra Leone, known with certainty only from the Kasewe Forest reserve. Al…
Size and aquarium
Maximum size
31mm, standard length
Aquarium size
Minimum length 60 cm, Minimum depth 30 cm
Water
Water conditions
Temperature 20–26°C, pH 5–7
Hardness
1–8dGH
Conductivity
Not recorded
Behaviour
Temperament
Peaceful
Social needs
A shoal or group
Community suitability
Not for a community
Where it lives
Countries, regions, rivers and lakes
Sierra Leone, Gbangbaia
Writing
Etymology
Ladigesia: named for W. Ladiges (1910-1984), ichthyologist and curator of the Zoological Museum Hamburg fish collection from 1936 to 1974. roloffi: named for G…
Distribution
This species' distribution is unclear and it's only known with certainty from the type locality 'Kasewe Forest, Sierra Leone' where it's said to inhabit the up…
Habitat
The climate in Sierra Leone is hot and wet with a pronounced wet season between April-May and October-November), and most rivers tend to run perennially. The w…
Aquarium size
Minimum base dimensions of 60 ∗ 30 cm or equivalent are recommended although smaller aquaria can be used for breeding purposes.
Maintenance
Best-maintained in a well-structured set-up, ideally comprising a sandy substrate plus some driftwood roots and branches. The addition of dried leaf litter fur…
Water conditions
Not written yet
Diet
Probably a micropredator feeding on tiny invertebrates and other zooplankton in nature. In the aquarium it will accept dried foods of a suitable size but shoul…
Behaviour and compatibility
Peaceful with other species but does not make an ideal community fish due to its small size and somewhat specialised requirements. Other small tetras such as L…
Sexual dimorphism
The anterior anal-fin rays are slightly extended in males while gravid females may appear somewhat rounder-bodied.
Reproduction
Not often bred in aquaria although it is apparently possible with soft, acidic water a prerequisite. In a mature set-up it's possible that small numbers of fry…
Notes
This species is sometimes referred to as 'Sierra Leone dwarf characin' and is the only member of its genus which can be distinguished from other alestids by la…
References
References
8 on this profile