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Atheriniformes (Silversides) >
Dentatherinidae (Tusked silversides)
Etymology: Dentatherina: Latin, dens = teeth + Greek, atherina = (Ref. 45335).
Eponymy: Professor Dr Frank V Mercer was a founding Professor of the School of Biological Science at Macquarie University, Sydney (1964), having been formerly a Professor of Botany at Sydney University. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
Under family Dentatherinidae in Parenti (1984 ?).
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser pelagic-neritic; standorttreu. Tropical
Western Central Pacific: Philippines to north-eastern Australia and from Moluccas to the Trobriand Islands.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 5.0 cm SL Männchen/unbestimmt; (Ref. 9798)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 6 - 9; Rückenflossenweichstrahlen (insgesamt) : 12 - 14; Afterflossenstacheln: 1; Afterflossenweichstrahlen: 14 - 16. Labial ligament to about halfway along premaxilla forming cylindrical pouch lateral to ramus of dentary and just below edge of premaxilla. Premaxilla with ventrally directed tusk-like process. Caudal peduncle very slender. Midlateral scales 40-43; transverse scale rows 7 to 9; interdorsal scales 8-12.
Body shape (shape guide): elongated; Cross section: oval.
Found close inshore around islands and over coral reefs. Except for larval biology, little is known about this species. It may be taken as food by commercial species. This species is now placed under family Dentatherinidae in Parenti (1984 ?).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Patten, J.M. and W. Ivantsoff, 1983. A new genus and species of atherinid fish, Dentatherina merceri from the Western Pacific. Jap. J. Ichthyol. 29(4):329-339. (Ref. 5157)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 24.7 - 29, mean 28.1 °C (based on 734 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 1.5000 [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).
Trophische Ebene (Ref.
69278): 3.1 ±0.3 se; based on size and trophs of closest relatives
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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