Trachinocephalus myops, Snakefish : fisheries

Trachinocephalus myops (Forster 1801)

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Trachinocephalus myops   AquaMaps   Data sources: GBIF OBIS
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Image of Trachinocephalus myops (Snakefish)
Trachinocephalus myops
Picture by Malaer, P.

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> Aulopiformes (Grinners) > Synodontidae (Lizardfishes) > Synodontinae
Etymology: Trachinocephalus: Greek, trachys, -eia, -ys = rough + Greek, kephale = head (Ref. 45335).  More on author: Forster.

Species complex with Trachinocephalus myops formerly cincumtropical is now restricted to the Atlantic Ocean; T. trachinus resurrected for the Indo-West Pacific Ocean; and, <>T. gauguini found in the Marquesas Is. (Ref. 110386). Information in this species record for modification.

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

; Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους ? - 400 m (Ref. 9710), usually 3 - 90 m (Ref. 4472).   Tropical; 40°N - 40°S, 76°W - 154°W

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Atlantic Ocean: W Atlantic Ocean (from Cape Cod, Massachusetts to Brazil, including Bermuda, Bahamas, Antilles and Gulf of Mexico; E Atlantic from Mauritania to Gabon, including Saint Helena and Ascension Islands.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: Lm ?, range 19 - ? cm
Max length : 40.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 9710); common length : 25.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5217); μεγ. αναφερόμενη ηλικία: 7 έτη (Ref. 36558)

Short description Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά): 0; Μαλακές ραχιαίες ακτίνες (συνολικά): 11-14; Εδρικές άκανθες 0; Μαλακές εδρικές ακτίνες: 13 - 18. Snout very short; mouth very oblique; body with alternating narrow dark-edged pale blue and yellow stripes; oblique black spot at the upper end of the gill opening (Ref. 2334). Eye far forward (Ref. 26938).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Found near shore above 40 m over sandy bottoms of deep outer reef slopes (Ref. 11230). Reported to be common in estuaries (Ref. 11228, 48635). Benthic at 3-388 m (Ref. 58302). Rest on or more often burrow into substrate, leaving eyes exposed (Ref. 4472, 48635). When disturbed, it may swim a short distance but quickly buries itself again (Ref. 48635). Feed on fishes (Ref. 5213) and small crustaceans (Ref. 36558).

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Polanco, F.A., P.A. Acero and Betancur-R. R., 2016. No longer a circumtropical species: revision of the lizardfishes in the Trachinocephalus myops species complex, with description of a new species from the Marquesas Islands. J. Fish Biol. 89(2):1302-1323. (Ref. 110386)

IUCN Red List Status (Ref. 123251)

  Least Concern (LC) ; Date assessed: 28 June 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans


Human uses

αλιεία: περιορισμένης εμπορικότητας

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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 115969): 18.9 - 29, mean 27.3 °C (based on 4584 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00306 - 0.00820), b=3.41 (3.27 - 3.55), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  4.4   ±0.4 se; based on diet studies.
Ελαστικότητα (Ref. 120179):  Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (K=1.6; tm=2; tmax=7).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (46 of 100) .
Price category (Ref. 80766):   Medium.