Classificatie / Namen
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Siluriformes (Catfishes) >
Mochokidae (Squeakers or upside-down catfishes) > Mochokinae
Etymology: Synodontis: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335); abditus: The specific name is the Latin adjective abditus, -a, -um, which means hidden, refers to its hitherto 'hidden' existence, being both, similar to and misidentified as Synodontis haugi in the past, and hence hidden in collections for over 20 years (Ref. 126042).
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water demersaal. Tropical
Africa: endemic to Ogowe River basin in Gabon (Ref. 126042).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 16.5 cm SL mannelijk / geslacht onbekend; (Ref. 126042)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 1; Dorsale zachte stralen (totaal) : 7; Anale stekels: 3; Anale zachte stralen: 8 - 9. Diagnosis: Synodontis abditus can be distinguished from all its congeners of the Lower Guinea ichthyological province by the following unique combination of characters: no serrations on anterior surface of the dorsal spine, vs. entirely serrated in S. albolineatus, S. batesii and S. woleuensis; a relatively high number of mandibular teeth, 63-76 vs. lower, 12-39 in S. acanthoperca, S. carineae, S. marmoratus, S. ngouniensis, S. obesus, S. punu, S. rebeli, S. robbianus, S. schall, S. steindachneri and S. tessmanni; and a relatively high number of serrations on posterior side of the pectoral spine, 16-28 for specimens of 72.2-152.7 mm standard length, vs. 16-31 in S. haugi and S. polyodon, with positive allometry (Ref. 126042).
Collected in slow-flowing parts of the river, such as the vicinity of sandy islands, the mouth of small aflluent creeks, or the edge of the main river; and where sublittoral sandstone is the predominant substrate type (Ref. 126042).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
De Weirdt, D., C.E.T. Huyghe and E.J.W.M.N. Vreven, 2021. Synodontis abditus (Teleostei: Mochokidae), a new squeaker catfish from the Ogooué basin, Gabon. Ichthyol. Explor. Freshwaters 31(1):69-82. (Ref. 126042)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 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=0.01445 (0.00650 - 0.03213), b=2.91 (2.73 - 3.09), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
2.9 ±0.4 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (23 of 100). 🛈 |