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Clupeiformes (Herrings) >
Engraulidae (Anchovies) > Coiliinae
Etymology: mystica: Name 'mystica' from the Latin adjective meaning 'mystic', in allusion to the new species having been previously hidden under T. hamiltonii.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin pelagic-neritic. Tropical
Indian Ocean: Kuwait, Pakistan, India, and Sri Lanka.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 16.2 cm SL mâle / non sexé; (Ref. 138125)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 13 - 17; Rayons mous anaux: 37 - 44; Vertèbres: 44 - 46. This species is distinguished from its congeners by the following set of characters: maxilla moderate, its posterior tip slightly beyond posterior margin of opercle, but not reaching pectoral-fin insertion; teeth on both jaws small, not caniniform; first supramaxilla small, oval (sometimes absent); tip of snout above level of eye center; paired dark lines along dorsum from occipital area to caudal-fin base at least in preserved specimens; distinct black blotch behind upper part of gill opening; absence of saddle-like blotch on nape; anal fin with 4 (rarely 3) unbranched and 36-40 (modally 37; rarely 34 or 35) branched rays; transverse scales 11 or 12 (modally 11); scale rows in longitudinal series usually 39-41 (modally 40; rarely 38 or 42); 1UGR 9-11 (modally 10), 1LGR 13-16 (modally 15), 1TGR 23-26 (modally 24; rarely 22); 2UGR 8-10 (modally 9), 2LGR 14-16 (modally 15), 2TGR 22-26 (modally 24); 3UGR 6-8 (modally 7), 3LGR 8-10 (modally 9), 3TGR 15-18 (modally 16); 4UGR 5-9 (modally 7), 4LGR 8-10 (modally 9), 4TGR 13-17 (modally 16); gill rakers 2-6 (modally 4) on posterior face of third gill arch; abdomen covered with 16-20 (modally 17) + 9-11 (modally 10; rarely 12) = 26-30 (modally 28) keeled scutes; vertebrae mostly 45 (rarely 44 or 46); melanophores scattered on pectoral-fin rays of most individuals >110 mm SL; pelvic fin short, 7.4-8.7% (mean 8.0%) of SL; pre-dorsal-fin length short, 51.0-53.6% (52.3%) of SL; body elongate, depth 26.1-30.0% (27.7%) of SL; and anal-fin base long, 32.5-36.2% (34.2%) of SL (Ref. 138125).
Body shape (shape guide): elongated; Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Hata, H., S. Lavoué, P.N. Psomadakis, H.B. Osmany and H. Motomura, 2025. Thrissina mystica sp. nov., a new thryssa (Teleostei: Clupeiformes: Engraulidae: Coiliinae) from the northern Indian Ocean. Ichthyol. Res. 1-13. (Ref. 138125)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt
Outils
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Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00178 - 0.00849), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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