Ascension Island country information

Common names: [No common name]
Occurrence: questionable
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Based on a distribution map in Ref. 6181. No actual record but references in Ref. 6181 to be checked. Not in Ref. 98447.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sh.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Nakamura, I. and N.V. Parin, 1993
National Database:

Common names from other countries

Escolier rayé, Escolar rayado, 点纹带蛇鲭, ... more

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

> Scombriformes (Mackerels) > Gempylidae (Snake mackerels)
Etymology: Diplospinus: Greek, diploos = twice + Latin, spina = spine, thorn (Ref. 45335).

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

Θαλασσινό(ά) βενθοπελαγικό; εύρος βάθους 50 - 1000 m (Ref. 9784). Deep-water; 42°N - 38°S, 180°W - 180°E

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

Atlantic, Indian and Pacific: in central water masses. Rather rare, but relatively abundant in the northwest and southeast Atlantic and southeast Pacific Ref. 6181).

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: L_m ?, range 16 - ? cm
Max length : 33.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 9784); common length : 20.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 6181)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 30 - 36; Μαλακές ραχιαίες ακτίνες (συνολικά) : 35 - 44; Εδρικές άκανθες: 2; Μαλακές εδρικές ακτίνες: 28 - 35; Σπόνδυλοι: 57 - 64. Body is extremely elongate and compressed. Lower jaw extends anterior to upper jaw with a small conical dermal process. Upper jaw with 3 immovable and 3 or 4 movable fang-like teeth anteriorly. Lateral line situated closer to the ventral profile than the dorsal profile posteriorly. Color is silvery with narrow dark dotted lines along the body; the gill membranes are jet-black.

Oceanic, migrating upward at night to 100 to 200 m (Ref. 6181). Probably forming schools during daytime (Ref. 6181). Feed on crustaceans and small fish (Ref. 6181). Females mature at about 16 cm (Ref. 36731). Eggs and larvae are pelagic (Ref. 6766).

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

Main reference Upload your references | Αναφορές | Συντονιστής : Parin, Nikolay V. | Συνεργάτες

Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 08 May 2013

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

αλιεία: παραδοσιακή αλιεία

FAO(Publication : search) | FishSource |

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Summary page | Σημειακά στοιχεία | Κοινά ονόματα | Photos

Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 115969): 8.7 - 19.2, mean 13.1 (based on 808 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00363 (0.00163 - 0.00807), b=3.10 (2.91 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Τροφικό Επίπεδο (Ref. 69278): 3.5 ±0.52 se; based on food items.

Ελαστικότητα (Ref. 120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Fec=1,200).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (30 of 100).

Price category (Ref. 80766): Unknown.

Diplospinus multistriatus Maul, 1948