Classification / Names
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Siluriformes (Catfishes) >
Mochokidae (Squeakers or upside-down catfishes) > Chiloglanidinae
Etymology: Chiloglanis: Greek, cheilos = lip + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335); carnatus: Name means fleshy, referring to the dermal tissue covering the base of the dorsal fin of some of the larger specimens and the general robust body structure of this species compared to its regional congeners.
Environment: milieu / climate zone / profondeur / distribution range
Écologie
; eau douce benthopélagique. Tropical
Africa: Zimbabwe.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 6.2 cm TL mâle / non sexé; (Ref. 130906); 5.6 cm TL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 5 - 7; Rayons mous anaux: 12 - 13. This species is distinguished from its congeners in southern Africa (i.e. anoterus, bifurcus, emarginatus, fasciatus, paratus, pretoriae, swierstrai) by the dorsal fin that has a basal portion covered by a fleshy skin, a character which is absent in the other species; with ten closely packed mandibular teeth; a deeply forked caudal fin, with an upper lobe that is shorter than the lower lobe; oral disc with a well-developed mid-ventral cleft; a smooth skin with a few tubercles occasionally found on the head; a dorsal spine with crenate anterior and posterior margins (Ref. 130906).
Cross section: angular.
TThe species was collected from Mukwadzi River, a perennial river that originates from wetlands (dambos) on the eastern side of the Great Dyke. This river flows in a north-western direction cutting through the Great Dyke before it joins the Manyame River. The substratum at the sites was composed of bedrock, cobbles and gravel, and the riparian vegetation was mainly Syzygium Gaertner, 1788 and Phragmites Adanson, 1763. It co-occurred with native fish species that include Labeo cylindricus Peters, 1852, Opsaridium zambezense (Peters, 1852), Enteromius trimaculatus (Peters, 1852), Tilapia sparrmanii Smith, 1840, Clarias gariepinus (Burchell, 1822), and Labeobarbus marequensis (Smith, 1841) as well as the non-native species Serranochromis jallae (Boulenger, 1896) and Micropterus salmoides (Lacepède, 1802) (Ref. 130906).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Mutizwa, T.I., W.T. Kadye, P.H.N. Bragança, T. Bere and A. Chakona, 2024. Hidden in the riffles: a new suckermouth catfish (Mochokidae,Chiloglanis) from the middle Zambezi River system, Zimbabwe. ZooKeys 1197:57-91. (Ref. 130906)
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
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Résilience (Réf.
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).
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