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Gymnammodytes semisquamatus (Jourdain, 1879)

Smooth sandeel
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Gymnammodytes semisquamatus   AquaMaps   Data sources: GBIF OBIS
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Image of Gymnammodytes semisquamatus (Smooth sandeel)
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drawing shows typical species in Ammodytidae.

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

Teleostei (teleosts) > Perciformes/Uranoscopoidei (Sand dwellers) > Ammodytidae (Sand lances)
Etymology: Gymnammodytes: Greek, gymnos = naked + Greek, ammos = sand + Greek, dytes = somebody that likes immersions or diving (Ref. 45335).

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

Marine; demersal; depth range 5 - 20 m (Ref. 127989). Temperate; 62°N - 37°N, 11°W - 13°E

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

Northeast Atlantic: southern coast of Norway and the Shetlands to Spain, including all coasts of the British Isles and the North Sea, but not the Baltic.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm SL male/unsexed; (Ref. 35388); common length : 15.0 cm TL male/unsexed; (Ref. 4645)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 53 - 56; Anal soft rays: 26 - 31. Palate without pointed teeth. Lateral line branched. Margins of dorsal and anal fins undulated. Scales restricted to the posterior third of the body (Ref. 35388).

Biology     Glossary (e.g. epibenthic)

Typically offshore over shell-gravel, also inshore where shell-gravel beaches occur. Feed on plankton. Summer batch spawner (Ref. 4674). By-catch in sand eel fisheries (Ref. 35388).

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

Main reference Upload your references | References | Coordinator | Collaborators

Reay, P.J., 1986. Ammodytidae. p. 945-950. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. 2. (Ref. 4674)

IUCN Red List Status (Ref. 130435: Version 2024-1)

  Least Concern (LC) ; Date assessed: 12 March 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial; bait: usually
FAO - Publication: search | FishSource |

More information

Trophic ecology
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Diet composition
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Ecology
Ecology
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Internet sources

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

Estimates based on models

Preferred temperature (Ref. 123201): 7.7 - 12.4, mean 10.4 °C (based on 502 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00125 - 0.00554), 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):  2.7   ±0.30 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):  Low to moderate vulnerability (27 of 100).
Price category (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 57.3 [31.5, 107.1] mg/100g; Iron = 0.379 [0.217, 0.687] mg/100g; Protein = 18.1 [16.3, 20.0] %; Omega3 = 0.385 [0.203, 0.691] g/100g; Selenium = 14.4 [7.1, 30.4] μg/100g; VitaminA = 14.8 [3.7, 57.0] μg/100g; Zinc = 0.757 [0.528, 1.093] mg/100g (wet weight);