Arnoglossus imperialis, Imperial scaldfish : fisheries

Arnoglossus imperialis (Rafinesque, 1810)

Imperial scaldfish
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Arnoglossus imperialis   AquaMaps   Data sources: GBIF OBIS
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Image of Arnoglossus imperialis (Imperial scaldfish)
Arnoglossus imperialis
Picture by García Rodríguez, M.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Pleuronectiformes (Flatfishes) > Bothidae (Lefteye flounders)
Etymology: Arnoglossus: Greek, aros, -oy = lamb + Greek, glossa = tongue (Ref. 45335).
More on author: Rafinesque.

Taxonomic Remarks
Questionable synonym Arnoglossus blachei Stauch, 1965 is a valid species according to Fricke et al., 2023 (Ref. 128433). Pending correction in FishBase.

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

Marine; demersal; depth range 20 - 350 m (Ref. 26999), usually 40 - 200 m (Ref. 36731). Subtropical; 58°N - 29°S, 19°W - 22°E

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eastern Atlantic: Scotland to Namibia (Ref. 27121), including the western Mediterranean.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL male/unsexed; (Ref. 2683); common length : 12.0 cm TL male/unsexed; (Ref. 3397)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 95 - 106; Anal soft rays: 74 - 82. Eyes separated by a bony ridge, the lower eye a little in advance of the upper. In males, the second to sixth and in females, the second to fifth dorsal fin rays thickened and prolonged. Males with distinct black spot on posterior part of pelvic fins; in females, this spot present but greyish and often indistinct.
Body shape (shape guide): fusiform / normal; Cross section: compressed.

Biology     Glossary (e.g. epibenthic)

Found on sand, mud, shell and corals (Ref. 27121). Caught with bottom and pelagic trawls (Ref. 2683).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Amaoka, Kunio | Collaborators

Aldebert, Y., M. Desoutter and J.-C. Quéro, 1990. Bothidae. p. 1027-1036. 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. 5979)

IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))

  Least Concern (LC) ; Date assessed: 11 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial
FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Territories
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genome
Genetics
Heterozygosity
Heritability
Genetic Diversity
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Outreach
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Taxonomy
Common names
Synonyms
Morphology
Morphometrics
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References
References

Tools

E-book | Field guide | Identification keys | Length-frequency wizard | Life-history tool | Point map | Catch-MSY |

Special reports

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | National databases | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index
(Ref. 82804) 		PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00646 (0.00517 - 0.00807), b=3.08 (3.03 - 3.13), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophic level
(Ref. 69278) 		3.8   ±0.60 se; based on food items.
Resilience
(Ref. 120179) 		Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability
(Ref. 59153) 		Moderate vulnerability (41 of 100). 🛈
Price category
(Ref. 80766) 		Very high.
Nutrients
(Ref. 124155) 		Calcium = 95.5 [46.4, 217.0] mg/100g; Iron = 1.01 [0.47, 1.79] mg/100g; Protein = 18.5 [17.0, 19.9] %; Omega3 = 0.327 [0.143, 0.642] g/100g; Selenium = 28.9 [15.2, 60.6] μg/100g; VitaminA = 20 [6, 62] μg/100g; Zinc = 0.785 [0.542, 1.118] mg/100g (wet weight);