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Nannothrissa parva (Regan, 1917)
LAKE TUMBA DWARF SPRAT
Life   Vertebrata   Fish   Clupeidae   Nannothrissa


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Nannothrissa&speciesname=parva ---> http://192.134.151.83/Summary/speciesSummary.php?genusname=Nannothrissa&speciesname=parva
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https://fishbase.mnhn.fr/Summary/speciesSummary.php?genusname=Nannothrissa&speciesname=parva ---> https://fishbase.mnhn.fr/summary/Nannothrissa-parva.html
Nannothrissa parva, Lake Tumba dwarf sprat : fisheries
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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Nannothrissa parva ( Regan , 1917 )

Lake Tumba dwarf sprat Upload your photos  and  videos
Pictures | Google image Image of Nannothrissa parva (Lake Tumba dwarf sprat) Nannothrissa parva
Picture by FAO

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

Teleostei (teleosts) > Clupeiformes (Herrings) > Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Nannothrissa: Latin, nannus = small + Greek, thrissa, -es = shad (Ref. 45335 ) .
More on author: Regan .

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

Freshwater; pelagic. Tropical; 6°N - 3°S

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

Africa: Congo River basin in Democratic Republic of the Congo (Ref. 188 , 28136 ), including Lake Tumba (Ref. 41580 , 93833 ), Ruki River (Ref. 93833 ) and Ubangui River (Ref. 45441 ). Reported also from near Kinganga in Lower Congo River (Ref. 42510 ), but its presence is not confirmed (Ref. 94750 ).

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 4.2 cm SL male/unsexed; (Ref. 188 )

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 12-15; Anal spines : 0; Anal soft rays : 20 - 23; Vertebrae : 39 - 40. Diagnosis: Body slender, depth about 20% of standard length; scutes beginning at isthmus, or just behind, very strongly keeled, 12-15 pre-pelvic and 6-8 post-pelvic scutes; lower jaw projecting, toothless; no teeth on premaxillae or maxillae; posterior supra-maxilla as deep as maxilla blade and with long slender anterior shaft; lower gill rakers 24-31; pelvic fin with 1 unbranched and 6-7 branched rays, its insertion just before dorsal fin origin; anal fin rays 20-23; scales in lateral series 35-40 (Ref. 188 , 2263 ). It differs from Nannothrissa stewarti in having more gillrakers, 24-31 vs. 20-23, more anal fin rays, 20-23 vs. 17-19, and more scales in lateral series, 35-40 vs. 34-35 (Ref. 188 , 2263 , 94752 ).

Biology     Glossary (e.g. epibenthic)

Found in rivers and lakes, apparently in both running and still water, often in huge schools (Ref. 188 ). Feeds on plankton, including unicellular algae, diatoms and especially copepods, but also hydracarians and aquatic insects (Ref. 188 , 41580 ). It breeds in Lake Tumba, ripe fishes being caught in late August and ripe and some spent fishes occurring in about mid-September (Ref. 188 , 41580 ).

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

Main reference Upload your references | References | Coordinator | Collaborators

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 )

  Least Concern (LC)  ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: subsistence fisheries FAO - Publication: search | FishSource |

More information

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Tools

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Special reports

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Download XML

Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | 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 | 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

Phylogenetic diversity index (Ref. 82804 ):  PD 50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00912 (0.00433 - 0.01920), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic level (Ref. 69278 ):  2.7   ±0.21 se; based on food items. Resilience (Ref. 120179 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Fishing Vulnerability (Ref. 59153 ):  Low vulnerability (10 of 100). Price category (Ref. 80766 ):   Low .

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Updated: 2024-03-28 16:20:14 gmt
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