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Scopelengys tristis Alcock, 1890

Pacific blackchin
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Native range | All suitable habitat | Point map | Year 2050
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Scopelengys tristis   AquaMaps   Data sources: GBIF OBIS
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Image of Scopelengys tristis (Pacific blackchin)
Scopelengys tristis
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Ecuador country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: In range Ref. 4525.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ec.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983
National Database:

Common names from other countries

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Myctophiformes (Lanternfishes) > Neoscopelidae (Blackchins)
Etymology: Scopelengys: Greek, skopelos = a lantern fish + Greek, eggys = near (Ref. 45335);  tristis: tristis meaning dull, alluding to its dull blackish color (Ref. 4525).
  More on author: Alcock.

Environment: milieu / climate zone / depth range / distribution range Οικολογία

Θαλασσινό(ά) βαθυπελαγικό(ς); ωκεανόδρομο(ς) (Ref. 51243); εύρος βάθους 400 - 1830 m (Ref. 58018).   Deep-water; 35°N - 35°S

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Western Indian Ocean: 6°N to 34°S. Probably Somalia (Ref. 30573). Western Pacific. Eastern Pacific: southern California, USA to Chile. Western Atlantic: off Venezuela (Ref. 6690) and Guianas (Ref. 13608). Eastern Atlantic: Morocco to Angola; one record from South Africa (Ref. 6604). South China Sea and East China Sea (Ref.74511).

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 20.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 4481)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 11 - 13; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 12 - 14. Uniform brown in color, mouth and belly darker (Ref. 6604). Branchiostegal rays: 8 (Ref. 36062). Lacks luminous organs and a gas bladder (Ref. 36062).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

High-oceanic and bathypelagic (Ref. 6604). Adults usually found below about 1,000 m, but juveniles found between 500-800 m. No evidence of vertical migration (Ref. 6604). Feed mainly on small crustaceans. Sexually mature from about 15.2 cm (Ref. 4525). Oviparous, with planktonic larvae (Ref. 36062).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Oviparous (Ref. 36062).

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 11 July 2012

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

αλιεία: χωρίς ενδιαφέρον
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Estimates based on models

Preferred temperature (Ref. 115969): 4.2 - 7.7, mean 5.7 (based on 645 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7656   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00363 - 0.02397), b=3.07 (2.85 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  3.1   ±0.30 se; based on food items.
Ελαστικότητα (Ref. 120179):  Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Assuming tmax>3).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (27 of 100).