Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Terapontidae
(Grunters or tigerperches)
Etymology: Scortum: Latin, scortum = harlot (Ref. 45335).
Environment / Climate / Range
Freshwater; benthopelagic. Tropical, preferred ?; 19°S - 20°S
Oceania: Endemic to Queensland, Australia; known from the upper Burdekin River system.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 38.0 cm SL male/unsexed; (Ref. 44894); max. published weight: 1.0 kg (Ref. 2906)
Adults inhabit clear, fast-flowing streams, frequently in rapids or pools below them (Ref. 5259, 44894). Benthic feeder: various shrimps, earthworm, algae. Maturity: F, 17 cm SL; M, 23 cm SL. Spawning: mid October to early November after rainy periods; temp. Of 24°C. Fecundity: 115,000 eggs per female. Eggs: pelagic, 4.2-4.3 mm diameter. Hatching: 36 hours (Ref. 2906, 44894). Eggs are guarded and fanned by the male parent (Ref. 205). Aquarium conditions: pH=7, H=8, 25°C, rock and plant cover (Ref. 6398).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eggs are guarded and fanned by the male parent (Ref. 205).
Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley, 1989. Pisces. Petromyzontidae to Carangidae. Zoological Catalogue of Australia, Vol. 7. Australian Government Publishing Service, Canberra, 665 p. (Ref. 7300)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Fisheries: of no interest; aquarium: public aquariums
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.9 ±0.36 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (43 of 100) .