Classification / Names
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Cypriniformes (Carps) >
Cyprinidae (Minnows or carps) > Labeoninae
Etymology: Garra: Name based on a vernacular Indian name (Hamilton, 1822:343, Ref. 1813); a fish living in mud (Ref. 128817); napata: Named after "Napata", the capital of the ancient Kush kingdom, which is very close to the type locality of this species; a noun in apposition (Ref. 122047).
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical
Africa: Main Nile River in Sudan and Egypt (Ref. 122047).
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm SL mâle / non sexé; (Ref. 122047)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 9 - 10; Épines anales: 0; Rayons mous anaux: 7 - 8; Vertèbres: 34 - 36. Diagnosis: Garra napata differs from all other African Garra species, except G. jamila and G. ethelwynnae, in a scaleless area on the dorsal body area clearly exceeding beyond dorsal fin origin and thus in an incomplete count of only 1 to 2.5 scale rows between the origin of the dorsal fin and lateral line series vs. 3 or more (Ref. 122047). It is distinguished from G. ethelwynnae from the Damas River basin in Eritrea by: its intermediate, type B, developed disc and only minute free posterior flap vs. prominent disc of type C with well-developed posterior flap; and an asquamate postpelvic area vs. squamate (Ref. 122047). It is distinguished from G. jamila of the Atbara by: its intermediate type B developed disc with a very small free posterior flap vs. prominent disc type C with well-developed posterior flap; a smoother upper lip vs. crenate; and, in live specimens, an uncoloured anal fin vs. red anal fin; dark humeral spot large and nearly twice as big as red postopercular spot vs. equally sized small humeral and postopercular spots; fixed specimens usually display a pronounced lateral band and pale back vs. dark back strongly and contrasting light belly (Ref. 122047). It is distinguished from Garra vinciguerrae and G. sannarensis by: its narrow disc, width much smaller than mouth vs. as large as mouth width; virtually absent lateroposterior flap of the disc vs. clearly developed; and a relatively broad head, i.e. cheeks visible when viewed from dorsal vs. cheeks not visible; from G. vinciguerrae by its prominent dark colour markings in the centre of the dorsal-fin membrane near its base vs. no such pattern; from G. sp. "White Nile" by its visible cheeks when viewed from dorsal vs. not visible from above, and by its short barbels barely reaching margin of lower-lip pad vs. almost reaching each other (Ref. 122047).
Rheophilic and collected from swift water in strong current, likely prefers habitats with high velocity; occurs syntopically with other rheophilic species like Garra vinciguerrae, Chiloglanis niloticus, Andersonia leptura and Labeo forskalii (Ref. 122047).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Moritz, T., N. Straube and D. Neumann, 2019. The Garra species (Cyprinidae) of the Main Nile basin with description of three new species. Cybium 43(4):311-329. (Ref. 122047)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
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Sources 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=0.00776 (0.00354 - 0.01702), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
