dcsimg

Diagnostic Description

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Reduced ocular orbits (orbital diameter with a ratio 10.1 to 12.4 times the head length); absent or atrophied eye balls; body unpigmented. Depressed head; naked anterior portion of mouth, belly and breast; lips papillated; a reduced barbel at corners of the mouth; no dermal cirri in the snout; hooked preopercular spines, 13-16, the longest is 3.11-4.28 times smaller than the interorbital length; 3 unkeeled plates bordering the supraoccipital posteriorly, the middle not divided in the midline. Body depressed and caudal fin convex with lower lobe longest.
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Recorder
Estelita Emily Capuli
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Morphology

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Dorsal spines (total): 1; Dorsal soft rays (total): 7 - 8; Analspines: 1; Analsoft rays: 4
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Estelita Emily Capuli
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Importance

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fisheries: of no interest
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Rainer Froese
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Ancistrus galani

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Ancistrus galani[1] is a species of catfish in the family Loricariidae. It is native to South America, where it occurs only in Los Laureles Cave, at an elevation of 650 m (2133 ft) above sea level, in the Socuy River basin, which is part of the Lake Maracaibo drainage system in the state of Zulia in Venezuela. The species reaches 5.6 cm (2.2 inches) SL and was named after Carlos Galan, a Venezuelan speleologist.[2] A. galani differs from most Ancistrus species (except for other cave-dwelling species like A. cryptophthalmus or A. formoso) in having an unpigmented body, atrophied or entirely absent eyes, and highly reduced ocular orbits, which are all thought to be adaptations to its dark subterranean habitat and stygobitic lifestyle.[3]

References

  1. ^ "ITIS - Report: Ancistrus galani". www.itis.gov. Retrieved 2022-03-06.
  2. ^ Froese, Rainer; Pauly, Daniel, eds. (2021). "Ancistrus galani". FishBase.{{cite web}}: CS1 maint: url-status (link)
  3. ^ Perez, Alfredo; Viloria, Ángel (January 1994). "Ancistrus galani n. sp. (Siluriformes: Loricariidae), with comments on biospeleological explorations in western Venezuela". Mémoires de Biospéologie. 21 – via ResearchGate.
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Ancistrus galani: Brief Summary

provided by wikipedia EN

Ancistrus galani is a species of catfish in the family Loricariidae. It is native to South America, where it occurs only in Los Laureles Cave, at an elevation of 650 m (2133 ft) above sea level, in the Socuy River basin, which is part of the Lake Maracaibo drainage system in the state of Zulia in Venezuela. The species reaches 5.6 cm (2.2 inches) SL and was named after Carlos Galan, a Venezuelan speleologist. A. galani differs from most Ancistrus species (except for other cave-dwelling species like A. cryptophthalmus or A. formoso) in having an unpigmented body, atrophied or entirely absent eyes, and highly reduced ocular orbits, which are all thought to be adaptations to its dark subterranean habitat and stygobitic lifestyle.

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