Classificazione / Nomi
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Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Zoarcidae (Eelpouts) > Lycodinae
Etymology: Lycodes: Greek, lykos = wolf + Greek, suffix, oides = similar to (Ref. 45335); akuugun: Named after the Aleut name for the native inhabitants of the Islands of Four Mountains, the region where the species was discovered; noun in apposition.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino demersale; distribuzione batimetrica 121 - 460 m (Ref. 56970). Temperate
Northeast Pacific: Aleutian Islands.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 32.4 cm SL maschio/sesso non determinato; (Ref. 56970)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Raggi dorsali molli (totale) : 107 - 120; Raggi anali molli: 97 - 103; Vertebre: 113 - 120. Diagnosis: Distinguished from the majority of its congeners (46 of 61 currently recognized species) by the ventral position of the lateral line. Among species of Lycodes with a ventral lateral line, the new species is distinguished from brevipes, diapterus, hubbsi, microporus, nakamurae, nishimurai, and ocellatus by the absence of scales on the nape. It is distinguished from all remaining congeners except pectoralis and vahlii by its comparatively high vertebral count (113-120 vs. 94-113 in brunneofasciatus, caudimaculatus, frigidus, gracilis, and obscurus). It is distinguished from pectoralis and vahlii by the presence of an interorbital pore, number of anal-fin pterygiophores preceding the first haemal spine (5-7 vs. 2-4), and the color pattern (pectoralis and vahlii lack light bands on the dorsal fin, light blotches on the upper body, and the bicolor appearance of the head, body, and pectoral fin) (Ref. 56970).
Body shape (shape guide): eel-like.
The species were collected in hauls dominated by Atheresthes stomias, Theragra chalcogramma, Hippoglossus stenolepis, and Sebastes alutus; also with Lycodes diapterus and L. concolor. Bottom temperatures of collection sites ranged from 3.3-4.3 °C. Stomach contents of 2 specimens has partially digested sea urchin tests (Ref. 56970).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Stevenson, D.E. and J.W. Orr, 2006. A new species of Lycodes (Perciformes: Zoarcidae) from the Aleutian Islands. Copeia 2006(1):77-82. (Ref. 56970)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 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=0.00123 (0.00059 - 0.00258), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Resilienza (Fonte Biblio. 120179) |
Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
High vulnerability (60 of 100). 🛈 |