Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Siluriformes
(Catfish) > Doradidae
(Thorny catfishes) > Wertheimerinae
Etymology: Scorpiodoras: Latin, scorpaena = a kind of fish, 1706 + Greek, dora = skin (Ref. 45335); liophysus: From the Greek leios, meaning smooth, bald, and physa meaning bladder, in reference to the absence of a secondary bladder. An adjective.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: Rio Madeira basin.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.7 cm SL male/unsexed; (Ref. 86601)
Morphology | Morphometrics
(total): 6. Scorpiodoras liophysus is distinguished from its congeners S. calderonensis and S. heckelii by having a simple, cordiform, gas bladder (vs. gas bladder having a secondary bladder) and midlateral scute depth 61-72% of body depth (vs. 33-59%). It also differs from S.
heckelii by having relatively small eye, diameter 58-777% of interorbital width (vs. relatively large eye, diameter 91- 129% of interorbital width) (Rfe. 86601).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Sousa, L.M. and J.L.O. Birindelli, 2011. Taxonomic revision of the genus Scorpiodoras (Siluriformes: Doradidae) with resurrection of Scorpiodoras calderonensis and description of a new species. Copeia 2011(1):121-140. (Ref. 86601)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.8 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (20 of 100) .