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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Nothobranchiidae (African rivulines)
Etymology: Nothobranchius: Greek, nothos = false + Greek, brangchia = gill (Ref. 45335); itigiensis: The specific name is given in reference to Itigi township in central Tanzania, near which place the type locality is situated; an adjective derived from the geographical name (Ref. 123150).
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce bentopelágico; pH range: 7.9 - 8.4. Tropical; 24°C - 25°C (Ref. 123150)
Africa: ephemeral pools and marshes of upper Ruaha drainage and Bahi Swamp area in Tanzania (Ref. 123150).
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 4.3 cm SL macho / no sexado; (Ref. 123150)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 0; Radios blandos dorsales (total) : 16 - 18; Espinas anales: 0; Radios blandos anales: 16 - 19. Diagnosis: Nothobranchius itigiensis belongs to the N. ugandensis species group presenting the following combination of characters in males: body colouration light blue with red to red-brown scale margins; frontal part of head red-brown and throat light blue or red; caudal fin uniform red; anal-fin base light blue or yellow with red-brown spotted pattern (Ref. 123150). Nothobranchius itigiensis differs from all other members of the N. ugandensis species group by an anal fin yellow with red-brown spots proximally, that are merged medially to a pattern parallel to fin rays and may be fused distally to form a slender marginal band; caudal peduncle length 14.9-15.7% of standard length vs. 16.1-23.8%, and 96-103% of its depth vs. 111-157%; and head width 68-72% of its depth vs. 73-83% (Ref. 123150).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
The type locality is an ephemeral pool formed in the marshy terrain drained by the Mlumbi and Kisigo streams; an extensive pool of about 50 m wide; the water was turbid, the bottom of the pool not visible (Ref. 123150).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Nagy, B., B.R. Watters, P.D.W. van der Merwe, F.P.D. Cotterill and D.U. Bellstedt, 2020. Review of the Nothobranchius ugandensis species group from the inland plateau of eastern Africa with descriptions of six new species (Teleostei: Nothobranchiidae). Ichthyol. Explor. Freshwat. 30(1):21-73. (Ref. 123150)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: sin interés
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00603 (0.00251 - 0.01446), b=3.13 (2.93 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Vulnerabilidad pesquera (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |