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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk; djupintervall 36 - 40 m (Ref. 84021). Tropical
Western Indian Ocean: Northeast Madagascar.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 13.1 cm SL hane/ej könsbestämd; (Ref. 84021)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 12 - 13; Mjukstrålar i analfenan: 9 - 10; Ryggkotor: 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.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (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=0.00479 (0.00234 - 0.00981), b=3.14 (2.97 - 3.31), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.9 ±0.7 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |