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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).
Taxonomic Remarks
This species is synonym of Pseudoscopelus obtusifrons (Fowler, 1934) in Eschmeyer (CofF ver. Jan. 2012: Ref. 89336).
Meio ambiente: milieu / Zona climática / intervalo de profundidade / faixa de distribuição
Ecologia
marinhas batipelágico; intervalo de profundidade 829 - 1770 m (Ref. 85782). Deep-water
North Atlantic: from off USA to France. Southwest Atlantic: Brazil (48º N to 20º S, 67º W to 4º W).
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 13.8 cm SL macho/indeterminado; (Ref. 75979)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Raios dorsais (total) : 18 - 22; Raios anais : 19 - 20. This species can be distinguished within the group by a set of characteristics: mesial series of premaxillary teeth in a single row, with 2-4 teeth (vs. medial series in 3-4 rows, with 20 or more teeth in P. scriptus, P. cephalus, P. sagamianus, and P. cordilluminatus); dentary teeth in 2 series, lateral and medial, each with a single row (vs. 2 series, lateral in single row and mesial with three or more rows); teeth at the anterior edge of premaxilla recurved, dentary inserted on the ventral edge of the bone and pointing mesially or caudally (vs. teeth at lateral series extremely curved with anterior teeth inserted in the lateral edge of bone, turned outwards) (Ref. 85782).
Body shape (shape guide): elongated.
Meso- to bathypelagic; juveniles are known from 50 to 1025 m (Ref. 85782).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Melo, M.R.S., 2010. A revision of the genus Pseudoscopelus Lütken (Chiasmodontidae: Acanthomorphata) with descriptions of three new species. Zootaxa 2710:1-78. (Ref. 85782)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2025-2 (Global))
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimativas baseadas em modelos
Temperatura preferida (Ref.
123201): 2.3 - 3.5, mean 2.7 °C (based on 13 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: 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).
Nível Trófico (Ref.
69278): 3.6 ±0.2 se; based on size and trophs of closest relatives
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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