Chinese Taipei (Taiwan) country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Type locality, Changbin, Taitang County, TOU-AE 1561 (holotype of Xyrias chioui, 81.9 cm TL, male) (Ref. 82687).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/tw.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: McCosker, J.E., W.-L. Chen and H.-M. Chen, 2009
National Database: The Fish Database of Taiwan

Common names from other countries

Taiwani reduangerjas, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Anguilliformes (Eels and morays) > Ophichthidae (Snake eels) > Ophichthinae
Etymology: Xyrias: Greek, xyreo = that cuts like a knife (Ref. 45335); chioui: Named for Captain Jiun-Shiun Chiou, who captured and donated this and other important eel specimens to the laboratory of the National Taiwan Ocean University..
More on authors: McCosker, Chen & Chen.

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

marina bentopelagisk, usually 60 - 70 m (Ref. 82687). Subtropical; 24°N - 23°N

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Pacific Ocean: Taiwan, Changbin, Taitang County (Ref. 82687).

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 81.9 cm TL hane/ej könsbestämd; (Ref. 82687)

Short description Bestämningsnycklar | Morfologi | Morfometri

A moderately elongate species of Xyrias with tail 47% and head 12% of TL; dorsal-fin origin well behind pectoral tips; pectoral fin spatulate, elongate, 5.9 in HL; snout short, 2.7 in jaw; upper jaw elongate, 2.6 in HL; center of eye in anterior 40% of upper jaw; labial cirri and barbels absent; eyes not elevated; head pores minute, supraorbital pores 1+3, infraorbital pores 4+3, preoperculomandibular pores 2+6; teeth numerous, conical, needle-like, biserial on maxilla and uniserial on mandible and vomer; coloration in preservative pale ventrally, becoming brown dorsally, pectoral fins brown, median fins with a thin dark margin. Vertebral formula 19/61/126 (Ref. 82687).

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator : McCosker, John E. | Medarbetare

McCosker, J.E., W.-L. Chen and H.-M. Chen, 2009. Comments on the snake-eel genus Xyrias (Anguilliformes: Ophichthidae) with the description of a new species. Zootaxa 2289:61-67. (Ref. 82687)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 22 November 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer

Ecology
Ekologi
Home ranges

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
Reproduktion
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larver
Larvdynamik

Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
BRUVS - Videos

Anatomy
Gill areas
Hjärnstorlek
Otoliths

Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fiskljud
Diseases / Parasites
Toxicities (LC50s)

Genetics
Genetik
Electrophoreses
Heritabilities

Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.

Outreach
Medarbetare

Taxonomy
Populärnamn
synonymer
Morfologi
Morfometri
Bilder

References
referenser

Verktyg

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Populärnamn | Photos

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00089 (0.00039 - 0.00204), b=3.00 (2.80 - 3.20), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.9 ±0.6 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (53 of 100).

Xyrias chioui McCosker, Chen & Chen, 2009