Gaidropsarus biscayensis (Collett, 1890)
Mediterranean bigeye rockling
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Gaidropsarus biscayensis AquaMaps Data sources: GBIF OBIS |
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Gaidropsarus biscayensis
Picture by García Rodríguez, M.
Pictures | Google image
Picture by García Rodríguez, M.
Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) > Gadiformes (Cods) > Gaidropsaridae (Rocklings)
Etymology: Gaidropsarus: Greek, ga, ge = the earth + Greek, ydro = water + Greek psaros = speckled, starling (Ref. 45335).
Etymology: Gaidropsarus: Greek, ga, ge = the earth + Greek, ydro = water + Greek psaros = speckled, starling (Ref. 45335).
Taxonomic Remarks
Junior synonym of Gaidropsarus macrophthalmus according to Ref. Barros-Garcia et al., 2022 (Ref. 131625:131).
Environment: milieu / climate zone / depth range / distribution range Ecology
Marine; benthopelagic; non-migratory; depth range 80 - 600 m. Temperate; 48°N - 30°N, 18°W - 30°E
Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Eastern Central Atlantic: western Mediterranean and northern part of central Mediterranean. Also from Spain and Portugal to Morocco and Madeira.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 1371); common length : 12.0 cm TL male/unsexed; (Ref. 1371)
Max length : 40.0 cm TL male/unsexed; (Ref. 1371); common length : 12.0 cm TL male/unsexed; (Ref. 1371)
Short description Identification keys | Morphology | Morphometrics
Dorsal spines (total): 0; Anal spines: 0. First dorsal spine followed by a few small fleshy filaments. Two fang-like teeth at the symphysis of the upper jaw.
Body shape (shape guide): elongated; Cross section: circular.
Body shape (shape guide): elongated; Cross section: circular.
Found in offshore waters on mud, shell and coral bottoms. Feed on crustaceans. Spawning occurs in February. Occasionally sold in markets.
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Main reference
Upload your references | References | Coordinator | Collaborators
Svetovidov, A.N., 1986. Review of the three-bearded rocklings of the genus Gaidropsaurus Rafinesque, 1810 (Gadidae) with description of a new species. J. Ichthyol. 26(1)114-135. (Ref. 9985)
CITES
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
FAO - Publication: search | FishSource |
More information
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
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
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Anatomy
Gill area
Brain
Otolith
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genome
Genetics
Heterozygosity
Heritability
Genetic Diversity
Genome
Genetics
Heterozygosity
Heritability
Genetic Diversity
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Tools
Special reports
Download XML
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
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Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
| Bayesian length-weight | a=0.00501 (0.00264 - 0.00951), b=3.03 (2.87 - 3.19), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245). |
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Trophic level (Ref. 69278) |
3.6 ±0.3 se; based on diet studies. |
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Resilience (Ref. 120179) |
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). |
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Fishing Vulnerability (Ref. 59153) |
Low to moderate vulnerability (31 of 100). 🛈 |
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Price category (Ref. 80766) |
Medium. |
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Nutrients (Ref. 124155) |
Calcium = 30.4 [13.2, 62.0] mg/100g; Iron = 0.272 [0.138, 0.580] mg/100g; Protein = 16.7 [14.9, 18.5] %; Omega3 = 0.421 [0.207, 0.786] g/100g; Selenium = 22 [10, 51] μg/100g; VitaminA = 18.2 [4.1, 80.3] μg/100g; Zinc = 0.576 [0.384, 0.923] mg/100g (wet weight); |