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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335); kwalensis: The name kwalensis is an allusion to the occurrence of the new species in the County of Kwala, coastal province of Kenya (Ref. 119668).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar pelagis, permukaan. Tropical
Africa: Ramisi River basin in the coastal plain of south-eastern Kenya (Ref. 119668).
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 4.2 cm SL jantan/; (Ref. 119668)
deskripsi pendek
Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik
Duri punggung (Keseluruhan (total)) : 0; duri punggung lunak (Keseluruhan (total)) : 14 - 16; Duri dubur: 0; Sirip dubur lunak: 16 - 18. Diagnosis: Nothobranchius kwalensis is distinguished from all other congeners of the N. melanospilus complex by the combination of the following morphological character states: lower jaw not anteriorly projecting beyond upper jaw vs. anteriorly projecting in N. prognathus; dorsal-fin origin anterior to anal fin origin in females vs. posterior in both sexes in N. melanospilus; pelvic fins medially in contact vs. bases medially united in males of N. prognathus; presence of two longitudinal series of scales on frontal region vs. three in N. prognathus; 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 rounded black dots on anterior portion of flank vs. dots absent on anterior portion of flank in N. melanospilus; body depth 28.7-30.9% of standard length in males, 25.8% of standard length in female, vs. 32.7-35.5% and 32.1-33.4% of standard length respectively in N. prognathus; dorsal-fin base length 24.1-27.3% of standard length in males vs. 27.9-29.9% of standard length in N. prognathus; head depth 79.0-82.9% of head length in males, 69.5% in female, vs. 90.4-99.2% and 85.6-90.3% of head length respectively in N. prognathus; eye diameter 26.8-28.4% of head length in males, 27.1% in female vs. 20.9-25.9% and 21.1-24.4% respectively in N. prognathus (Ref. 119668).
Life cycle and mating behavior
Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva
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)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
