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Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Zoarcidae (Eelpouts) > Lycodinae
Etymology: Patagolycus: Named for Patagonia ('Patago', the type species found mainly in Patagonian waters) and the Greek 'lykos' (= wolf), a commonly used suffix for southern hemisphere zoarcid genera; melastomus: Name from the Greek 'melas' for black or dark and 'stoma' for mouth; referring to the colour of its orobranchial cavity.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin démersal; profondeur 164 - 489 m (Ref. 90127). Temperate; 45°S - 52°S, 60°W - 69°W (Ref. 90127)
Southwest Atlantic: Argentina.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 43.7 cm TL mâle / non sexé; (Ref. 90127); 38.5 cm TL (female)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 83 - 89; Rayons mous anaux: 67 - 73; Vertèbres: 86 - 93. This species is distinguished by the following characters: presence of submental crest; elongated and narrowed neurocranium; frontals fused anteriorly with no trace of a suture; frontal corner squared; long frontal ramus; frontal and parasphenoid well separated by pterosphenoid; sphenotic and parietal in contact; parietals separated from mid-line; parasphenoid wing reaches the mid-height of the trigeminofacialis foramen; supraoccipital?exoccipìtal articulation excluded by epioccipital; no supratemporal commissure and occipital pores; intercalar well developed; 8 suborbital bones, canal with 7 pores; postorbital pores 1 and 4; ceratohyal?epihyal juncture interdigitating dorsally; branchiostegal rays 5; posterior hyomandibular ramus elongate; well developed palatal arch and posttemporal ventral ramus; scapular foramen enclosed by bone; scapular strut present; cartilaginous basal plate of pectoral girdle with 4 foramina; asymmetrical vertebrae; well developed oral valve; gill slit extending ventrally below lower end of pectoral-fin base; scalloped gill rakers; pelvic-fin rays ensheated; squamation extensive; with lateral line, pyloric caeca, palatine and vomerine teeth; oral cavity and peritoneum black (Ref. 90127).
Body shape (shape guide): elongated; Cross section: oval.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Matallanas, J. and C. Corbella, 2012. Redescription of Iluocoetes Jenyns, 1842; proposal of a new genus, Argentinolycus, for Iluocoetes elongatus (Smitt, 1898), and description of Patagolycus melastomus gen. et sp. nov. (Teleostei, Zoarcidae). Zootaxa 3296:1-18. (Ref. 90127)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00282 (0.00144 - 0.00552), b=3.20 (3.03 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.4 ±0.4 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Très faible, temps minimum de doublement de population supérieur à 14 ans (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
High vulnerability (62 of 100). 🛈 |