Classificazione / Nomi
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Argentiniformes (Marine smelts) >
Opisthoproctidae (Barreleyes or spookfishes)
Etymology: Bathylychnops: Greek, bathys = deep + Greek, lychnos = lamp + Greek, ops = appearance (Ref. 45335).
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino benthopelagico. Temperate; 33°S - 34°S, 72°W - 75°W
Pacific Ocean: presently known only from the southeastern Pacific and possibly belongs to the fauna of temperate waters of the southern hemisphere (84273).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 6.2 cm SL maschio/sesso non determinato; (Ref. 84273)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Eyes are vesicular, with an additional lens directed anteriorly; ventral fins are at the beginning of the last one third of the body, noticeably in front of the vertical of dorsal fin origin; anal opening and anal fin origin are behind the vertical of the end of dorsal fin; adipose fin is present and located near the vertical of the end of the anal fin; myomeres number 77–82; fry have 4–5 pigmental spots on the back and 3–4 paired peritoneal spots; pigmental spots present near upper margin of gill opening, at insertions of ventral fins near the end of the intestine, above the anal fin insertion, and under the adipose fin; gill rakers number 29–34.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Parin, N.V., Belyanina, T.N. and S.A. Evseenko, 2009. Materials to the revision of the genus Dolichopteryx and closely related taxa (Ioichthys, Bathylychnops) with the separation of a new genus Dolichopteroides and description of three new species (Fam. Opisthoproctidae). J. Ichthyol. 49(10):839-851. (Ref. 84273)
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 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00427 (0.00165 - 0.01101), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
3.4 ±0.1 se; based on size and trophs of closest relatives |
Resilienza (Fonte Biblio. 120179) |
Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |