Gaidropsarus biscayensis, Mediterranean bigeye rockling : fisheries

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Gaidropsarus biscayensis (Collett, 1890)

Mediterranean bigeye rockling
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Gaidropsarus biscayensis   AquaMaps   Data sources: GBIF OBIS
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Image of Gaidropsarus biscayensis (Mediterranean bigeye rockling)
Gaidropsarus biscayensis
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).

Issue
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 Countries | 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)

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.

Biology     Glossary (e.g. epibenthic)

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)

IUCN Red List Status (Ref. 130435: Version 2025-1)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: minor commercial
FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
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Predators
Ecology
Ecology
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Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
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References

Tools

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

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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

Preferred temperature (Ref. 123201): 12.9 - 15, mean 13.9 °C (based on 79 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00258 - 0.00930), b=3.05 (2.88 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  3.6   ±0.3 se; based on diet studies.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (30 of 100). 🛈
Price category (Ref. 80766):   Medium.
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);