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Diagnostic Description

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Presence of seven paris of branchiostegal rays; nuptial males have a blue throat; subdued body and fin markings; absence of bright or dark green coloration on the flanks; pectoral-fin base without scales.
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Recorder
Armi G. Torres
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Morphology

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Dorsal spines (total): 8 - 11; Dorsal soft rays (total): 9 - 11; Analsoft rays: 6 - 8; Vertebrae: 36 - 38
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Biology

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Most often occupies open (not vegetated) although complex bottoms comprised of gravel to cobble-sized fragments of tufa and tufa stromatolites. This substrate is formed largely by calcareous material accreting through physical and biological precipitation of calcium salts as well as by transport of fragmented tufa from upstream that deposits to form armored bars where channels widen abruptly.
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Tufa darter

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The Tufa darter (Etheostoma lugoi ) is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to Rio Mesquites and its tributaries in Bolson de Cuatro Cienegas, Mexico. It inhabits unvegetated river bottoms made of gravel to cobble-sized fragments of tufa and tufa stromatolites. This species can reach a length of 3.8 cm (1.5 in).[2] The specific name, lugoi, is in honor of José "Pepe" Lugo Guajardo for his contributions to the studies of the Cuatro Ciénegas Basin fauna.[3]

References

  1. ^ Contreras MacBeath, T. (2019). "Etheostoma lugoi". IUCN Red List of Threatened Species. 2019: e.T192946A2180601. doi:10.2305/IUCN.UK.2019-2.RLTS.T192946A2180601.en. Retrieved 20 November 2021.
  2. ^ Froese, Rainer; Pauly, Daniel (eds.) (2016). "Etheostoma lugoi" in FishBase. May 2016 version.
  3. ^ Norris SM, Minckley WL (1997). "Two new species of Etheostoma (Osteichthyes: Percidae) from Central Coahuila, Northern Mexico". Ichthyol. Explor. Freshwat. 8 (2): 159-176. (Etheostoma lugoi, new species).
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Tufa darter: Brief Summary

provided by wikipedia EN

The Tufa darter (Etheostoma lugoi ) is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to Rio Mesquites and its tributaries in Bolson de Cuatro Cienegas, Mexico. It inhabits unvegetated river bottoms made of gravel to cobble-sized fragments of tufa and tufa stromatolites. This species can reach a length of 3.8 cm (1.5 in). The specific name, lugoi, is in honor of José "Pepe" Lugo Guajardo for his contributions to the studies of the Cuatro Ciénegas Basin fauna.

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