Scorpaena maderensis
Valenciennes, 1833
Madeira rockfish

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Classification / Names

Teleostei (teleosts) > Perciformes/Scorpaenoidei (Scorpionfishes) > Scorpaenidae (Scorpionfishes or rockfishes) > Scorpaeninae
Etymology: Scorpaena: Latin, scorpaena = a kind of fish, 1706 (Ref. 45335).
More on author: Valenciennes.

Environment / milieu / depth range / climate zone / distribution range

Marine; brackish; demersal; depth range 20 - 40 m (Ref. 2683); subtropical; 47°N - 12°N32°W - 36°E.

Distribution

Eastern Atlantic: Azores, Madeira, and Morocco to the Canary Islands, Cape Verde and Senegal. Also known from several localities in the Mediterranean Sea.

Maps

Scorpaena maderensis / Native range
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

Scorpaena maderensis / Suitable habitat
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

Scorpaena maderensis / Point map
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

Scorpaena maderensis / Year 2050
AquaMaps Data sources: GBIF OBIS
This map was computer-generated and has not yet been reviewed.

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Size / Weight / Age

Max length: 17.8 cm TL male/unsexed (Ref. 47289); common length: 10.0 cm TL male/unsexed (Ref. 4570); max. published weight: 107.72 g (Ref. 122896).

Biology

Inhabits shallow coastal waters (Ref. 2683); rocky areas and favours habitats with generous brown algal growth, rocky depressions and ledges and small boulders (Ref. 95708). Feeds on crustaceans and small fishes (Ref. 4570). Anterolateral glandular groove with venom gland (Ref. 57406).

Main reference

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. 125652)

  Least Concern (LC); date assessed: July 15 2014

CITES (Ref. 131153)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Venomous (Ref. 57406)

More information
Estimates based on models

Preferred temperature (Ref. 123201): 14.3 - 19.7, mean 17.2 °C (based on 27 cells).

Phylogenetic diversity index (Ref. 82804): PD50 = 0.5 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01148 (0.00766 - 0.01720), b=2.99 (2.87 - 3.11), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.1 ±0.7 se; Based on food items.

Generation time: 4.8 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.

Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).

Fishing vulnerability (Ref. 59153): Moderate vulnerability (36 of 100).

Price category (Ref. 80766): Low; Questionable: based on ex-vessel price for species in this genus.

Nutrients (Ref. 124155): Calcium = 128 [61, 335] mg/100g; Iron = 1.16 [0.61, 2.34] mg/100g; Protein = 18.9 [17.3, 20.3] %; Omega3 = 0.621 [0.263, 1.659] g/100g; Selenium = 16.7 [7.2, 43.1] μg/100g; VitaminA = 28.7 [9.3, 89.7] μg/100g; Zinc = 1.1 [0.7, 1.6] mg/100g (wet weight);