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> Siluriformes (Catfishes) > Claroteidae (Claroteid catfishes) > Claroteinae
Etymology: Phyllonemus: Greek, phyhllon = leaf + Greek, nema = filament (Ref. 45335).
More on author: Boulenger.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water demersaal; diepte ? - 20 m (Ref. 3236). Tropical; 3°S - 9°S

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Africa: Lake Tanganyika.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 8.8 cm TL mannelijk / geslacht onbekend; (Ref. 3236)

Inhabit inshore waters to 20 m deep (Ref. 3236), and restricted to the rocky littoral zone (Ref. 38677). Rest on the bottom with the modified maxillary barbels (Ref. 6868). Nocturnally active meanwhile resting beneath rocks and within interstices in the rock or rubble substrata during the day (Ref. 38677). Oviparous (Ref. 205). First report of bi-parental mouthbrooding among catfishes (Ref. 38677). No value as food (Ref. 4967). Stomach contents examined consist of shrimps, occasionally debris from larval insects, and fish remains which apparently are clupeids (possibly Limnothrissa. Aquarium conditions: pH7.6; hardness of water 12; temperature tolerance 25°C; tank capacity, 60L; food, e.g. live worms, Daphnia; aquarium lighting, as dark as possible as long as fishes are visible; a peaceful, bottom-swimming fish which prefers a set-up with rocks, plants, and driftwood in an aquarium (Ref. 6398).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

First report of biparental mouthbrooding among catfishes (Ref. 38677). Either or both parents rear their eggs and yolk-sac larvae inside the mouth (Ref. 38677). Young are released from the mouth after the yolk-sac has been absorbed and kept guarded by both parents while feeding beneath rocks (Ref. 38677). After feeding, young return to the parent's mouth (Ref. 38677). No evidence of brooding was found among solitary individuals, additionally, females in this group have low gonadosomatic index (Ig) indicating that a strong bonding of pairs precede egg laying (Ref. 38677).

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Risch, L.M., 1986. Bagridae. p. 2-35. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 3236)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 07 April 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: van potentieel belang; Aquarium: Potentieel

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00891 (0.00403 - 0.01972), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 4.0 ±0.70 se; based on food items.

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Prijsklasse (Ref. 80766): Unknown.

Phyllonemus typus Boulenger, 1906