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Cetopsidium soniae Vari & Ferraris, 2009

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drawing shows typical species in Cetopsidae.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Siluriformes (Catfishes) > Cetopsidae (Whale catfishes) > Cetopsinae
Etymology: Cetopsidium: From Cetopsis, the first genus proposed in subfamily Cetopsinae, and 'idium' meaning diminutive, referring to the relatively small body sizes of the members of the genus.;  soniae: The species name, soniae, is in honor of Dr. Sonia Fisch-Muller of the Muséum d’histoire naturelle, Geneva, who brought the species to our attention, has been of invaluable assistance to both authors with a number of projects over the years, and ha.
More on authors: Vari & Ferraris.

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

; süßwasser benthopelagisch. Tropical

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

South America: Guyana. Cetopsidium soniae is known from the type locality in the Manari River, a tributary of the Takutu River in the western portions of the rio Branco system of the Amazon basin (Ref. 82380).

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 3.1 cm SL Männchen/unbestimmt; (Ref. 82380); 3.6 cm SL (female)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Cetopsidium soniae differs from its congeners in the posterior extent of the pelvic fin (falling distinctly short of the vent versus extending beyond the vent and reaching to the origin of the anal fin in C. minutum (Eigenmann, 1912), and reaching to or slightly beyond the anterior limit of the vent in C. ferreirai Vari, Ferraris & de Pinna, 2005, C. morenoi (Fernández-Yépez, 1972), C. orientale (Vari, Ferraris & Keith, 2003), and C. pemon Vari, Ferraris & de Pinna, 2005, the position of the vent (proximate to the base of the anterior most anal-fin ray versus distinctly anterior to that location in C. roae Vari, Ferraris & de Pinna, 2005), the form of the first rays of the dorsal and pectoral fins (with distal filaments present in males versus without such sexually-dimorphic filaments in C. ferreirai), the orientation of the dorsal and ventral profiles of the postdorsal portion of the body (converging posteriorly versus running in parallel in C. orientale), the distribution of dark pigmentation on the body (with pigmentation distributed across dorsal and lateral surfaces of body versus limited to middorsal region in C. ferreirai), the degree of dark pigmentation on the ventral surface of the lower jaw (with limited or no pigmentation versus with broad band of pigmentation in C. orientale), the form of the pigmentation on the head and body (chromatophores large and stellate versus small and round in C. minutum and C. pemon), the extent of the pigmentation on the dorsal fin (without any pigmentation or at most several small dark basal spots versus with distinct semicircular dark spot basally in C. morenoi, C. orientale, and C. pemon), the body depth (0.17-0.18 versus 0.14-0.15 of SL in C. roae), and the form of the head in lateral view (triangular overall but relatively deep posteriorly versus more acutely triangular in C. minutum [see Vari et al., 2005).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Life cycle and mating behavior Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator : Ferraris, Jr., Carl J. | Partner

Vari, R.P. and C.J. Ferraris Jr., 2009. New species of Cetopsidium (Siluriformes: Cetopsidae: Cetopsinae)from the upper rio Branco system in Guyana. Neotrop. Ichthyol. 7(3):289-293. (Ref. 82380)

IUCN Rote Liste Status (Ref. 130435)

  Daten mangelhaft (DD) ; Date assessed: 16 November 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Gehe zu, Suchen | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00180 - 0.01112), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).