Teleostei (teleosts) >
Clupeiformes (Herrings) >
Clupeidae (Herrings, shads, sardines, menhadens)
Etymology: Sprattus: Old German, sprotte (1611) = a small fish, Clupea sp. (Ref. 45335).
More on author: Linnaeus.
Issue
The subspecies were not characterized well enough, that unless there is more evidence presented in the future, Sprattus sprattus should be considered as one species with several known populations (S.Kullander, pers.comm. 07/09).
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; brackish; pelagic-neritic; oceanodromous (Ref. 51243); depth range 10 - 150 m (Ref. 6302). Temperate; 69°N - 30°N, 11°W - 42°E
Northeast Atlantic: North Sea and adjacent waters as far north as the Lofoten Area and the west of the British Isles, and Baltic Sea south to Morocco; also in northern Mediterranean (Gulf of Lion and the Adriatic Sea) and Black Sea.
Length at first maturity / Size / Weight / Age
Maturity: Lm 10.1, range 8 - 12 cm
Max length : 16.0 cm SL male/unsexed; (Ref. 188); common length : 12.0 cm SL male/unsexed; (Ref. 188); max. reported age: 6 years (Ref. 3561)
Dorsal spines (total): 0; Dorsal soft rays (total): 13 - 21; Anal spines: 0; Anal soft rays: 12 - 23. Lower jaw slightly projecting, gill cover without any bony radiating striae, teeth rarely present on vomer; belly with a strong keel of scutes; last two anal fin rays not enlarged. No dark spots on flanks. Pterotic bulla absent.
Usually inshore schooling, sometimes entering estuaries (especially the juveniles) and tolerating salinities as low as 4 ppt. Shows strong migrations between winter feeding and summer spawning grounds. Moves to the surface at night. Feeds on planktonic crustaceans (Ref. 9900). Spawns at depths of 10-20 m producing 6,000-14,000 pelagic eggs (Ref. 35388). Some spawn almost throughout the year, mainly in spring and summer, near the coast or up to 100 km out to sea, the young drifting inshore. Sold as 'brislings' to canneries. Sprat are used in the production of fish meal and as mink food, less for human consumption (Ref. 9900). Utilized fresh, smoked, canned and frozen; can be pan-fried and broiled (Ref. 9988).
Some spawn almost year round but mainly in spring and summer, near to the coast or up to 100 km out to sea, the young drifting inshore. Individual period of spawning takes about two months (Ref. 92054).
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
IUCN Red List Status (Ref. 130435)
Threat to humans
Reports of ciguatera poisoning (Ref. 30911)
Human uses
Fisheries: highly commercial; bait: usually
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Estimates based on models
Preferred temperature (Ref.
123201): 4.3 - 15.3, mean 9.5 °C (based on 530 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00575 (0.00491 - 0.00675), b=3.09 (3.04 - 3.14), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.07 se; based on food items.
Generation time: 2.2 (1.7 - 2.6) years. Estimated as median ln(3)/K based on 23
growth studies.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (rm=1.7; K=0.14-0.77; tm=1-2; tmax=6; Fec=2,000 (batch fec)).
Prior r = 0.48, 95% CL = 0.32 - 0.72, Based on 17 full stock assessments.
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).
Climate Vulnerability (Ref.
125649): Low vulnerability (15 of 100).
Nutrients (Ref.
124155): Calcium = 69.8 [34.7, 136.5] mg/100g; Iron = 0.454 [0.171, 1.290] mg/100g; Protein = 19.9 [17.2, 22.6] %; Omega3 = 0.601 [0.328, 1.136] g/100g; Selenium = 8.55 [3.88, 18.40] μg/100g; VitaminA = 66.3 [13.8, 248.5] μg/100g; Zinc = 0.429 [0.200, 1.835] mg/100g (wet weight); based on
nutrient studies.
