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General Information

Scientific Name:

Bedotia albomarginata - Sparks, J.S. & Rush, L.M.R. 2005

Common/Native Name:

White-edged Rainbowfish

Zono (ZOO-new) - translates to "small fish"; used for bedotiids in other regions of Madagascar

Type Locality:

Madagascar: southeastern highlands: Fianarantsoa Province: Mananara drainage basin: Sahapindra River: near towns of Vondrozo and Vevembe

Pronunciation:

Buh-DOUGH-tee-ah AL-bow-margin-ata

Etymology:

Derived from latin: albo - white, and marginatus - edged or bordered

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Species Details

Maximum Size:

3.5 inches (8.9cm)

Identification:
Males:
Broad white margins on second dorsal and anal fins. Caudal fin is distinctly lanceolate.
Both Sexes:
In life anal fin is bright yellow to orangish-red

Population differences:

 

Sexual Morphology:

 

First Description:

A new rainbowfish (Teleostei: Melanotaenioidei: Bedotiidae) from the southeastern highlands of Madagascar, with comments on the biogeography of Bedotia

in: Zootaxa 1051: 39-54 (2005)

Synonyms:

Bedotia vondrozo - Nomen nudem

Bedotia "vevembe"

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Habitat Information

Distribution/Collection Locales:
Ampisikia river
- 1999,2006 by A.R. Saunders
Marosivy River
- 1999,2000,2006 by A.R. Saunders
Vahifito river
- 1996 by J.S. Sparks, K.J. Riseng, R. Randriamampionana, and local guides.
Sahapindra river
- 1996 by J.S. Sparks, K.J. Riseng, R. Randriamampionana, and local guides.

Conservation Status:

Sparks & Rush note that this species is found only from small forested to moderately degraded tributaries in the upper to middle reaches of the Mananara and Rienana rivers (Sparks & Rush, 2005).

They also comment that given Bedotia albomarginata's limited distribution any deforestation in the region could quickly, and negatively, impact the population levels (Sparks & Rush, 2005).

A. Saunders found that population numbers near the Vevembe camp had decreased from 2000 to 2006; while those in the Ampisikia seemed to have remained strong. Human encroachment and deforestation had also increased in the area immediately surrounding the Vevembe field camp, perhaps leading to the decrease in Bedotia numbers observed (Saunders, unpublished data).

Typical Habitat:

Riverine; collected over both sandy and rocky substrate with and without instream vegetation.

Slow to moderately flowing currents; undercut banks; with and without overhead vegetation.

Typical Water Parameters:

pH: 6.10-6.80

Temperature: 65.0-69.0 °F

Conductivity: 160-250 µS

Cohabitates with:

Paratilapia sp. nov. "Vevembe"

Gogo sp.

Gobies

Tilapia sp.

Gambusia holbrooki

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Husbandry Information

Origin of Captives:

No known captive populations

Aggressiveness:

 

Tank Size:

 

Feeding:

 

Water Parameters:

 

Tank Filtration/Set-up:

 

Breeding Requirements:

 

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