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> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Perissodus: Greek, perissos = uneven + Greek, odous = teeth (Ref. 45335).

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

; zoet water pelagisch. Tropical; 3°S - 9°S

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Africa: endemic to Lake Tanganyika, occurs in the southern half of the lake (Ref. 46829, 93918). One juvenile was collected on the western coast of the lake, near Kalemie (Ref. 93918).

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 16.4 cm SL mannelijk / geslacht onbekend; (Ref. 5678)

Pelagic species (Ref. 6770) occuring in the rocky habitat (Ref. 46829). Scale-ripper (Ref. 6770, 46829). Caught at depths from 60-100 metres (Ref. 93918), but has also been seen in the shallow rocky habitat (Ref. 46829). Breeding behaviour is interesting as it involves a pair bond even though they are mouthbrooders in which the female broods the eggs (Ref. 466829). Come to shoreline to release their fry (Ref. 6770).

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

Hoofdreferentie Upload your references | Referenties | Coördinator : Kullander, Sven O. | Medewerkers

Konings, A., 1998. Tanganyika cichlids in their natural habitat. Cichlid Press. 272 p. (Ref. 46829)

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

Onvoldoende gegevens (DD) ; Date assessed: 31 January 2006

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: ; Aquarium: Commercieel

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.7500 [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): 4.4 ±0.80 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.

Perissodus eccentricus Liem & Stewart, 1976