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Lophiiformes (Anglerfishes) >
Oneirodidae (Dreamers)
Etymology: Ctenochirichthys: Greek 'kteis', 'ktenos' = comb + Greek, 'cheiros' = hand (or its evolutionary homolog, the pectoral fin) + Greek, 'ichthys' = fish (Ref. 86949).
More on authors: Regan & Trewavas.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batipelagico; distribuzione batimetrica 800 - 1000 m (Ref. 86949). Deep-water
Pacific Ocean: Chile and Panama.
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 3.7 cm SL maschio/sesso non determinato; (Ref. 86949)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Raggi dorsali molli (totale) : 6 - 7; Raggi anali molli: 4 - 5. Metamorphosed males and females have an extremely long pectoral fin lobe, bearing high number of pectoral fin rays, inserted along dorsal margin and an elongate, slender subopercular bone, tapering only slightly, dorsal end rounded or squared off. Metamorphosed females are further unique in having the following characteristics: presence of vomerine teeth; convex dorsal margin of frontal bones; reduced sphenotic spines; lower jaw with small symphysial spine; hyomandibula with double head; small quadrate and articular spines; deeply notched posterior margin of opercle; elongate and slender subopercle throughout its length, ventral end elongate and rounded; well developed second pharyngobranchial; caudal fin rays without internal pigmentation; illicium longer than length of esca bulb; pterygoiphore of illicium cylindrical throughout its length, emerging on snout from between frontal bones, anterior end exposed, posterior end concealed beneath skin; well developed first ray of dorsal fin; dorsal fin rays 6-7; anal fin rays 4-5; extremely long and narrow pectoral fin lobe, longer than longest rays of pectoral fin; pectoral fin rays 28-30; skin presumably naked, without dermal spinules; darkly pigmented skin of caudal peduncle extends well past base of caudal fin (Ref. 86949). Metamorphosed males: have 13 olfactory lamellae; 9 upper denticular teeth arranged in two rows, inner row with 8 teeth, outer row with 3 teeth; naked skin, without dermal spinules (Ref. 86949). Larvae: elongate body; depth of body and length of the head measures 40-45% of SL; concentration of pigment lies medial to subopercle; dorsal pig mentation restricted to anterodorsal part of body (Ref. 86949).
Body shape (shape guide): short and / or deep.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Pequeño, G., 1989. Peces de Chile. Lista sistematica revisada y comentada. Rev. Biol. Mar., Valparaiso 24(2):1-132. (Ref. 9068)
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 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01995 (0.00906 - 0.04395), b=3.01 (2.83 - 3.19), in cm total length, based on all LWR estimates for this 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) |
Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.). |
Vulnerabilità della pesca (Ref. 59153) |
Low vulnerability (12 of 100). 🛈 |