Classification / Names
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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.
Environment: milieu / climate zone / rango de profundidad / distribution range
Ecología
marino batipelágico; rango de profundidad 0 - 1200 m (Ref. 75982). Tropical
Indo-Pacific: off the Comoros Islands, Indonesia, Papua New Guinea and off Gilbert Islands.
Tamaño / Peso / Age
Madurez: Lm ? range ? - ? cm
Max length : 5.5 cm SL macho / no sexado; (Ref. 75982)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 7; Radios blandos dorsales (total) : 22 - 24; Vértebra: 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.
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Referencia
123201): 8.1 - 20, mean 11.8 °C (based on 202 cells).
Phylogenetic diversity index (Referencia
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).
Nivel trófico (Referencia
69278): 3.4 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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