Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Heptapteridae
Etymology: Phreatobius: Greek, phreas, -atos = well, spring + Greek, bios = alive (Ref. 45335); dracunculus: Derived from the Latin draco (dragon), combined with a diminutive suffix - unculus. This is in reference to the color and general aspect of the body and fins of the fish.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
South America: artificial well in the village of Rio Pardo, Amazon basin in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.8 cm SL male/unsexed; (Ref. 72403)
Found in an opened hand-dug well intended for domestic use (Ref. 72403).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Shibatta, O.A., J. Muriel-Cunha and M.C.C. De Pinna, 2007. A new subterranean species of Phreatobius Goeldi, 1905 (Siluriformes, Incertae Sedis) from the southwestern Amazon basin. Papéis Avulsos de Zoologia 47(17):191-201. (Ref. 72403)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00351 - 0.01970), b=3.01 (2.80 - 3.22), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .