Trachinocephalus myops, Snakefish : fisheries

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Trachinocephalus myops (Forster, 1801)

Snakefish
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Trachinocephalus myops   AquaMaps   Data sources: GBIF OBIS
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Image of Trachinocephalus myops (Snakefish)
Trachinocephalus myops
Picture by Sampaio, C.L.S.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

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

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

Marine; reef-associated; depth range 0 - 400 m (Ref. 110386), usually 3 - 90 m (Ref. 4472). Tropical; 40°N - 40°S, 76°W - 154°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Atlantic Ocean: Western Atlantic Ocean from Cape Cod, Massachusetts to Brazil, including Bermuda, Bahamas, Antilles and Gulf of Mexico). Eastern Atlantic from Mauritania to Gabon, including Saint Helena and Ascension Islands.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 32.6 cm TL male/unsexed; (Ref. 55642); max. reported age: 7 years (Ref. 36558)

Short description Morphology | Morphometrics

This species is distinguished from its congeners by the following characters: snout length (LSn) 53.2-117.0% eye diameter (DE), mean 79.1% (vs. mean 40.1% in T. gauguini and 74.8% in T. trachinus); LSn 13.5-27.0% body depth (DB), mean 21.6 (vs. mean 14.7% in T. gauguini); interorbital width 3.4-11.9%, mean 8.9% LH (vs. mean 5.6% in T. gauguini); DE 10.8-21.7% LH, mean 15.7% (vs. mean 16·6% in T. trachinus); length of the last dorsal-fin ray 7.3-11.6% LS, mean 9·4% (vs. mean 10.1% in T. trachinus and 10.8% in T. gauguini); anal-fin rays 13-16, mode 15 (vs. mode 14 in T. gauguini and 16 in T. trachinus); pectoral-fin rays 11-13, mode 12 (vs. mode 11 in T. gauguini); lateral-line scales 53-60, mode 57 (vs. mode 56 in T. gauguini); predorsal scales 15-20, mode 17 (vs. mode 16 in T. trachinus); further differs from T. gauguini and T. trachinus by deep mitochondrial distances (16.9-17.6 and 15.1-17.8%, respectively) (Ref. 110386).

Biology     Glossary (e.g. epibenthic)

Rest on or more often burrow into substrate, leaving eyes exposed (Ref. 4472).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Polanco, F.A., P.A. Acero and R. Betancur-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. 130435)

  Least Concern (LC) ; Date assessed: 06 September 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: minor commercial
FAO - Publication: search | FishSource | Sea Around Us

More information

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | OceanAdapt | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 18.9 - 29, mean 27.3 °C (based on 4584 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00302 (0.00185 - 0.00492), b=3.37 (3.23 - 3.51), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  4.4   ±0.4 se; based on diet studies.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (K=1.6; tm=2; tmax=7).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (23 of 100).
Price category (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 34.5 [11.1, 70.8] mg/100g; Iron = 0.364 [0.127, 0.946] mg/100g; Protein = 15.4 [12.9, 17.8] %; Omega3 = 0.0732 [, ] g/100g; Selenium = 48.8 [18.4, 109.3] μg/100g; VitaminA = 77.6 [17.7, 284.8] μg/100g; Zinc = 0.871 [0.520, 1.341] mg/100g (wet weight);