Acestridium colombiense
- Acestridium colombiensis
- Acestridium colombiensis
| Family | Loricariidae |
|---|---|
| Genus | Acestridium |
| IUCN category (World) | LC |
Introduction
Acestridium colombiensis is a small species of freshwater fish, native to the Río Inírida and its tributaries in Colombia. It is the first time that a species of the genus Acestridium has been found in Colombia. It is recognized by its elongated silhouette, unpaired dorsal plates, and scattered pigmentation without clear lines between the plates.
Who is it?
Morphology
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Type
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Average size4 cm
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Maximum size5 cm
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ShapeSerpentiform
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Mimicryplants
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Type
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Average size4 cm
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Maximum size5 cm
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ShapeSerpentiform
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Mimicryplants
How to recognize This fish ?
The silhouette is elongated, with a light brown color dorsally, lighter ventrally. The flanks are slightly darker around the eye, fading towards the rear. The fins are slightly pigmented, with dark spots on the rays of the dorsal and caudal fins. The mouth is terminal, downward oriented, adapted to a benthic diet.
Sexual dimorphism
The dimorphism does not appear to be visible.
Behaviour & Life cycle
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dietherbivorous
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Sociabilitysolitary
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territorialNo
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Way of livingdiurnal
The species is benthic, living at the bottom of watercourses, especially in sandy areas covered with algae. These fish feed mainly on plant debris and algae.
Reproduction
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Reproductionovipare
This species is oviparous. It may spawn on substrate, with potential male protection.
Harmless species
The species is harmless to humans.
Origin and distribution
Geographic distribution & Conservation
This species is limited to the Orinoco basin in Colombia, with documented populations in the Río Inírida, Río Bita, Río Tomo (in El Tuparro National Park), Caño Mataven, and Ramsar EFI. Its presence in Venezuela, in the upper and middle reaches of the Orinoco, is possible but not confirmed.
Conservation status of populations (IUCN)
What is its habitat?
Natural environment characteristics
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Temperature23 - 28 °C
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pH (acidity)5 - 6
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FlowMedium and Slow
Biotope presentation
This fish lives in clear or black waters, along sandbanks bordered by macrophytes, in areas with moderate to low currents. The bottoms are probably sandy or muddy, with dense vegetation cover. The water temperature is estimated to be between 22°C and 28°C, with a slightly acidic to neutral pH, typical of tropical rivers in this basin. The depth is shallow, probably less than 1 meter, with abundant aquatic vegetation.
To go further
Species of the same family
To read on the web
Sources & Contributions
Participation & Validation
The Fishipedia team and specialist contributors are committed to providing high-quality content. However, although the information comes from scientific sources or testimonials from specialists, the cards may contain inaccuracies.
Benoit Chartrer
Translation
Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.
Scientific partners
Species of the same family
