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Trachichthyiformes (Roughies) >
Trachichthyidae (Slimeheads)
Etymology: Aulotrachichthys: Greek, aulos = flute + Greek, trachys, -eia, -ys = rough; spiralis: Named for the longitudinal helical ridges on the fin spines in large specimens; noun in apposition,
means “spiral”, in reference to.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathypélagique; profondeur 25 - 220 m (Ref. 130070). Subtropical
Northwest Pacific: Japan and northern East China Sea and Osumi Channel.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 8.9 cm SL mâle / non sexé; (Ref. 130070); 8.5 cm SL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 5; Rayons mous dorsaux (Total) : 13; Épines anales: 3; Rayons mous anaux: 8; Vertèbres: 27. This species is distinguished from all its congeners by the following set of characters: D V,13 usually; A III,8 usually; ventral scutes 7-10 (modally 8); specimens >70 mm SL have 57-62 scale rows in longitudinal series, 24-29 pored lateral-line scales, and 7-9 scale rows between last dorsal-fin spine and lateral line; striated area ending before mid-point on caudal peduncle, its length 25.2–39.7% of caudal peduncle length; posterior interorbital ridges mesially curved posteriorly; posttemporal crest with rounded margin, lacking a distinct spine; spines of dorsal, anal and pelvic fins with many longitudinal helical ridges on surface (specimens >75 mm SL) (Ref. 130070).
Cross section: compressed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Matsunuma, M., A. Ujihara and H. Endo, 2023. Two new species of Aulotrachichthys (Beryciformes: Trachichthyidae) from the northwestern Pacific. Ichthyol. Res. 71(1):56-82. (Ref. 130070)
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
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01072 (0.00427 - 0.02691), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
4.2 ±0.6 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.). |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate vulnerability (40 of 100). 🛈 |