Klassificering / Namn
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Scombriformes (Mackerels) >
Chiasmodontidae (Snaketooth fishes)
Etymology: Pseudoscopelus: Greek, pseudes = false + Greek, skopelos = a lantern fish (Ref. 45335). Lütken did not recognize the presence of photophores on the body, confusing them with pores, but referred to a genus of lanternfish (Scopelus now Myctophum) when he named the genus (Ref. 85782); bothrorrhinos: Name derived from the Greek 'bothros' (trench or pit) and 'rhinos' (nose or snout), in reference to the concave tip of the snout.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 0 - 1200 m (Ref. 75982). Tropical
Indo-Pacific: off the Comoros Islands, Indonesia, Papua New Guinea and off Gilbert Islands.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 5.5 cm SL hane/ej könsbestämd; (Ref. 75982)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 7; Mjukstrålar i ryggfenan (totalt) : 22 - 24; Ryggkotor: 35 - 36. Distinguished from all other species of Pseudoscopelus by the possession of longitudinal preopercular photophores, extending dorsally to the middle of the preopercle. Differs further from all congeners, except Pseudoscopelus scutatus, by the following characters: concave snout; presence of supraventral-fin photophores; absence of pectoral-fin photophores, pectoral-fin axillary photophores, ventral-fin photophores and ventral-fin axillary photophores; preventral-fin photophores and postventral-fin photophores continuous; and distal radials of the first dorsal fin developed on a plate-like structure (Ref. 75982).
Body shape (shape guide): elongated.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Melo, M.R.S., H.J. Walker Jr. and C. Klepadlo, 2007. Two new species of Pseudoscopelus (Teleostei: Chiasmodontidae), with a new diagnosis for the genus. Zootaxa 1605:33-46. (Ref. 75982)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Mänskliga användningsområden
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.2 se; based on size and trophs of closest relatives |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |