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Nothobranchius prognathus Costa, 2019

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Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Cyprinodontiformes (Rivulines, killifishes and live bearers) > Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335);  prognathus: Name from the Latin prognathus, referring to the distinctive lower jaw of the new species that is anteriorly projected slightly beyond the upper jaw; an adjective (Ref. 119668).

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

; sötvatten pelagiska. Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Africa: upper Wami River in eastern Tanzania (Ref. 119668).

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.4 cm SL hane/ej könsbestämd; (Ref. 119668)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 15 - 16; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 17 - 18. Diagnosis: Nothobranchius prognathus differs from all other species of the Nothobranchius melanospilus complex in possessing lower jaw anteriorly projecting beyond upper jaw vs. not projecting; pelvic fins medially united in males vs. bases just in contact, but not united; and presence of three longitudinal series of scales on frontal region vs. two (Ref. 119668). It is also distinguished from all other species of the N. melanospilus complex by the combination of the following morphological character states: dorsal-fin origin anterior to anal-fin origin in both sexes vs. posterior in N. melanospilus; anterior supraorbital series of neuromasts divided in two sections vs. arranged in a single continuous row in N. melanospilus; mandibular neuromasts 14-16 vs. 17-21 in N. melanospilus; in females, few dark spots on anterior part of flank vs. dots absent on anterior part in N. melanospilus; body depth 32.7-35.5% of standard length in males, 32.1-33.4% of standard length in females vs. 27.5-32.2% and 27.1-30.9% of standard length in N. melanospilus and 28.7-30.9% and 25.8% of standard length in N. kwalensis; dorsal-fin base length 27.9-29.9% of standard length in males, 23.5-25.0% of standard length in females vs. 24.6-27.9% and 19.9-23.4% of standard length in N. melanospilus and 24.1-27.3% and 2.9% of standard length in N. kwalensis; head depth 90.4-99.2% of head length in males, 85-6-90.3% of head length in females vs. 78.0-87.8% and 74.6-80.7% of head length in N. melanospilus and 79.0-82.9% and 69.5% of head length in N. kwalensis; eye diameter 20.9-25.9% of head length in males, 21.1-24.4% of head length in females vs. 26.8-28.4% and 27.1% in N. kwalensis (Ref. 119668).

Biologi     Ordlista (t.ex. epibenthic)

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Costa, W.J.E.M., 2019. Two new species of seasonal killifishes of the Nothobranchius melanospilus species complex from the East Africa biodiversity hotspot (Cyprinodontiformes: Aplocheilidae). Vert. Zool. 69(1):73-82. (Ref. 119668)

IUCN Red List Status (Ref. 130435)

  Near Threatened (NT) (B1b(iii)+2b(iii)); Date assessed: 18 May 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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Ytterligare information

Trophic ecology
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Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | 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, sök | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = No PD50 data   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).