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Aulopiformes (Grinners) >
Synodontidae (Lizardfishes) > Harpadontinae
Etymology: Saurida: Derived from Greek, sauros = lizard (Ref. 45335); tweddlei: 'tweddlei', i.e., named in honor of Denis Tweddle (Ref. 101339).
Eponymy: Denis (d: 1949) and Sharon Tweddle are husband and wife and together were honoured in the name of the dwarf sanjika for their contributions (e. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / profondeur / distribution range
Écologie
marin; saumâtre démersal; profondeur 57 - 127 m (Ref. 101339). Tropical
Western Indian Ocean: Seychelles and Saya de Malha Bank, Mascarene Plateau.
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 40.1 cm SL mâle / non sexé; (Ref. 101339)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 12 - 13; Rayons mous anaux: 10 - 12; Vertèbres: 49 - 50. This species can be distinguished by the following set of characters: D 12-13; P 14-15; lateral-line scales 53-55; rows of transverse scales 4 1/2 above lateral line, 5 1/2 below lateral line; pectoral fins moderately long (reaching at or just above the line form origin of pelvic fins to origin of dorsal fin); 2 rows of teeth on outer palatines; 0-3 teeth on vomer; tongue with ca. 4-5 rows of teeth posteriorly; caudal peduncle compressed (depth greater than width); stomach and intestine pale whitish (Ref. 101339).
Cross section: oval.
Found at depths of 57 to 127 meters. The largest specimen was 40.10 cm in standard length (Ref. 101339).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Russell, B.C., 2015. A new species of Saurida (Pisces: Synodontidae) from the Mascarene Plateau, Western Indian Ocean. Zootaxa 3947(3):440-446. (Ref. 101339)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00236 - 0.01065), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 4.4 ±0.4 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (39 of 100).
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