Classificatie / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335); occultus: Species name from the Latin occultus, meaning 'hidden', referring to the long time period that this species remained hidden following its discovery (Ref. 97568).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water pelagisch. Tropical
Africa: southern Kordofan in Sudan (Ref. 97568).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 3.9 cm SL mannelijk / geslacht onbekend; (Ref. 97568)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 15 - 18; Anale stekels: 0; Anale zachte stralen: 15 - 18. Diagnosis: Nothobranchius occultus can be distinguished from all other species of the genus Nothobranchius by the following unique combination of characters: 15-18 dorsal fin rays; 15-18 anal fin rays; 26-29 scales in longitudinal series; relatively long pelvic fin, tip reaching anal fin; terminal portion of snout on ventral profile wide and rounded; body, paired and unpaired fins of male completely dark red brown in preserved specimens (Ref. 97568).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Valdesalici, S., 2014. Nothobranchius bellemansi and Nothobranchius occultus (Cyprinodontiformes: Nothobranchiidae) two new annual killifish from Sudan. Killi-Data Ser. 2014:4-19. (Ref. 97568)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [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).
Trofisch niveau (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).