FB-62266 http://www.fishbase.org/summary/SpeciesSummary.php?id=62266 Animalia Chordata Teleostei Gymnotiformes Gymnotidae Gymnotus Gymnotus obscurus Crampton, Thorsen & Albert, 2005 2005-09-26 2021-09-16 Eschmeyer, W.N. (ed.)0 Catalog of fishes. Updated database version of May 2005. Database dump. Catalog databases as made available to FishBase in May 2005. (Ref. 54621) DoNascimiento, C., F. Provenzano and J.G. Lundberg0 Rhamdia guasarensis (Siluriformes: Heptapteridae) a new species of cave catfish from the Sierra de Perija´, northwestern Venezuela. Proc. Biol. Soc. Wash. 117(4):564-574. (Ref. 80467) Saks, L.0 Estonian Common Names, Rank 2. Personal communication (Ref. 116654) FB-GeneralDescr-62272 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2005-10-04 00:00:00 2024-08-12 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=62272 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat The cave where the fish was collected is near the margin of Río Guasare and is the source of a spring during seasonal rains; its lower conduit has a 280 m course, 2-3 m wide and 1-2 m high, narrowly communicating with the access gallery. The underground river is permanently fed by a spring about 60 m into the lower gallery. At the time the collection was made, the average depth of the water course was 1.5 m with deeper pools along its course where the catfishes were observed (Ref. 80467). DoNascimiento, C., F. Provenzano and J.G. Lundberg 2004 Rhamdia guasarensis (Siluriformes: Heptapteridae) a new species of cave catfish from the Sierra de Perija´, northwestern Venezuela. Proc. Biol. Soc. Wash. 117(4):564-574. (Ref. 80467) FB-DiagnosticDescr-62272 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2009-03-11 00:00:00 2009-03-11 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ FAO General public http://www.fishbase.org/summary/SpeciesSummary.php?id=62272 This species differs from its congeners by having a concave dorsal head profile (vs. convex or straight); frontal bones broadly sutured to each other anterior to small, circular remnant foramen of anterior cranial fontanelle that is anteriorly adjacent to epiphyseal bar (vs. frontals separated by anterior fontanelle widely open from mesethmoid to epiphyseal bar). It differs from all epigean Rhamdia by the following troglomorphic characters: eyes absent, complete depigmentation, widened cutaneous pores of the cephalic laterosensory system, preoperculomandibular sensory canal forming wide fossae in the dentary and preopercle (vs. narrow pores and canals). Further, this species can be distinguished from other Rhamdia species by the following set of characters: pectoral fins with a spine and ten branched rays (vs. modally eight or nine soft rays in other species); both lobes of the caudal fin pointed (vs. at least one lobe rounded); caudal skeleton with three hypural plates, PH; 1 + 2; 3 + 4 + 5 (vs. Modally four PH; 1 + 2; 3 + 4; 5 in the other species, except R. laukidi and R. jequitinhonha) (Ref. 80467). DoNascimiento, C., F. Provenzano and J.G. Lundberg 2004 Rhamdia guasarensis (Siluriformes: Heptapteridae) a new species of cave catfish from the Sierra de Perija´, northwestern Venezuela. Proc. Biol. Soc. Wash. 117(4):564-574. (Ref. 80467) FB-Morphology-62272 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2009-03-11 00:00:00 2009-03-11 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=62272 http://rs.tdwg.org/ontology/voc/SPMInfoItems#DiagnosticDescription Dorsal spines (total): 1; Dorsal soft rays (total): 6; Analsoft rays: 12 DoNascimiento, C., F. Provenzano and J.G. Lundberg 2004 Rhamdia guasarensis (Siluriformes: Heptapteridae) a new species of cave catfish from the Sierra de Perija´, northwestern Venezuela. Proc. Biol. Soc. Wash. 117(4):564-574. (Ref. 80467) FB-Distribution-62272 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2005-10-04 00:00:00 2025-11-05 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=62272 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Morphology South America: Venezuela. DoNascimiento, C., F. Provenzano and J.G. Lundberg 2004 Rhamdia guasarensis (Siluriformes: Heptapteridae) a new species of cave catfish from the Sierra de Perija´, northwestern Venezuela. Proc. Biol. Soc. Wash. 117(4):564-574. (Ref. 80467) FB-Uses-62272 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2005-10-04 00:00:00 2024-08-12 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=62272 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution fisheries: of no interest FB-Size-62272 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2005-10-04 00:00:00 2024-08-12 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=62272 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Uses 10.7 cm SL (male/unsexed; (Ref. 80467)) DoNascimiento, C., F. Provenzano and J.G. Lundberg 2004 Rhamdia guasarensis (Siluriformes: Heptapteridae) a new species of cave catfish from the Sierra de Perija´, northwestern Venezuela. Proc. Biol. Soc. Wash. 117(4):564-574. (Ref. 80467) FB-Threats-2 http://purl.org/dc/dcmitype/Text text/html Belen Acosta 1990-10-18 00:00:00 2024-03-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=2 http://rs.tdwg.org/ontology/voc/SPMInfoItems#TrophicStrategy Least Concern (LC) , IUCN Grouper and Wrasse Specialist Group IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006. FB-Habitat-62272 http://purl.org/dc/dcmitype/Text text/html Armi G. Torres 2005-10-04 00:00:00 2024-08-12 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=62272 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size demersal; freshwater