Actinopteri (ray-finned fishes) > Perciformes/Scorpaenoidei
(Scorpionfishes) > Sebastidae
(Rockfishes, rockcods and thornyheads) > Sebastolobinae
Etymology: Trachyscorpia: Greek, trachys, -eia, y = rough + Greek, skorpis, idos = a kind of fish without identification (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 200 - 2500 m (Ref. 4510). Deep-water; 58°N - 12°N, 18°W - 1°W
Eastern Atlantic: Ireland to Senegal. Also known from the Mediterranean (Ref. 32504).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 56.9 cm TL male/unsexed; (Ref. 118486)
Morphology | Morphometrics
Occurs over muddy sand bottoms (Ref. 4570). Probably oviparous with eggs extruded in floating gelatinous masses. Feeds on deep-sea benthic crustaceans, cephalopods and fishes (Ref. 43448).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Eschmeyer, W.N. and L.J. Dempster, 1990. Scorpaenidae. p. 665-679. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 4510)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 7.6 - 10.9, mean 9.9 °C (based on 23 cells).
Phylogenetic diversity index (Ref. 82805
= No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00450 - 0.01608), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Trophic level (Ref. 69278
): 4.2 ±0.58 se; based on food items.
Resilience (Ref. 120179
): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): High to very high vulnerability (68 of 100) .
Nutrients (Ref. 124155
): Calcium = 18.9 [8.6, 43.4] mg/100g ; Iron = 0.328 [0.182, 0.638] mg/100g ; Protein = 17 [15, 19] % ; Omega3 = 0.517 [0.222, 1.357] g/100g ; Selenium = 23.6 [9.9, 54.4] μg/100g ; VitaminA = 21.6 [6.0, 73.5] μg/100g ; Zinc = 0.358 [0.225, 0.570] mg/100g (wet weight);