Classificazione / Nomi
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Aulopiformes (Grinners) >
Synodontidae (Lizardfishes) > Synodontinae
Etymology: Synodus: Greek, syn, symphysis = grown together + Greek, odous = teeth (Ref. 45335); vityazi: Named for the research vessel Vityaz II, for its great contribution to deep-sea fish research and for collecting the type series described in present study.
Eponymy: The Russian Research Vessel ‘Vityaz’ (also spelled Vitiaz) is famous for many cruises, during which the holotypes of several of the above fish were caught. [...] (Ref. 128868), visit book page.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino benthopelagico; distribuzione batimetrica 36 - 40 m (Ref. 84021). Tropical
Western Indian Ocean: Northeast Madagascar.
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 13.1 cm SL maschio/sesso non determinato; (Ref. 84021)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Raggi dorsali molli (totale) : 12 - 13; Raggi anali molli: 9 - 10; Vertebre: 56 - 57. This species is distinguished by the following combination of characters: D 12-13; A 9-10; pectoral rays 12-13; lateral line scales 56-58; scales between lateral line and base of dorsal fin 3.5; median predorsal scales 16-17; vertebrae 56-57; peritoneal spots 8; anterior palatine teeth not longer than posterior teeth; preopercle scaled posterior to corner of mouth; membranous posterior flap of anterior nostril slender, with a pointed tip, reaching to above posterior nostril when laid back; pectoral fins reaching a line connecting dorsal and pelvic fin origins, fin length 2.3-2.6 in head length; pelvic processes wedge-shaped, broad at base; color in alcohol with no marking, deep brown on dorsal surface restricted to central two-third of head and body longitudinally, about 2 scale rows above the lateral line, lateral and ventral surface uniformly silvery white without any blotch; all fins colorless, except for inner edge of caudal fin fork that is black (Ref. 84021).
Body shape (shape guide): elongated.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Ho, H.-C., A.M. Prokofiev and K.-T. Shao, 2010. Synodus cresseyi Prokofiev, 2008, an unnecessary replacement for S. macrocephalus Cressey, 1981, and a description of a new species from the Western Indian Ocean (Teleostei: Synodontidae). Zootaxa 2419:63-68. (Ref. 84021)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Temperatura preferita (Fonte Biblio.
123201): 21.3 - 26.7, mean 25.2 °C (based on 25 cells).
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00468 (0.00225 - 0.00972), b=3.15 (2.98 - 3.32), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.9 ±0.7 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (10 of 100).
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