Nettastoma parviceps, Duck-billed eel

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Nettastoma parviceps Günther, 1877

Duck-billed eel
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Native range | All suitable habitat | Point map | Year 2050
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Nettastoma parviceps   AquaMaps   Data sources: GBIF OBIS
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Nettastoma parviceps
Picture by SFSA

Japan country information

Common names: Kuzu-anago
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs on the Pacific coast of Japan (Ref. 559).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
National Database:

Common names from other countries

Smallhead duckbill eel, Štíhlohlavec malý, Kuzu-anago, ... more

Classification / Names ຊື່ສາມັນ | ຄຳສັບຄ້າຍຄືກັນ | Catalog of Fishes(ຕະກຸນ, ຊະນິດ) | ITIS | CoL | WoRMS | Cloffa

> Anguilliformes (Eels and morays) > Nettastomatidae (Duckbill eels)
Etymology: Nettastoma: Greek, netta = duck + Greek, stoma = mouth (Ref. 45335); parviceps: From the Latin parvus meaning little and caput meaning head, referring to the slightly smaller size of the head of this species compared to that of N. melanura, the only other species of the genus known to Günther.
More on author: Günther.

Environment: milieu / climate zone / ລະດັບຄວາມເລິກ / distribution range ນິເວດວິທະຍາ

ສັດທະເລ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ; ລະດັບຄວາມເລິກ 60 - 1190 m (Ref. 40819). Deep-water

ການແຜ່ກະຈາຍ ປະເທດ | ເຂດ FAO | ລະບົບນິເວດ | ການປະກົດຕົວ | ຈຸດໃດໜຶ່ງທີ່ສະແດງອອກໃນແຜນທີ່ (ພ້ອມທັງສະແດງຂໍ້ມູນເພີ້ນເຕີມ) | ການແນະນຳ | Faunafri

Indo-Pacific: bitemperate distribution, recorded from Japan, Hawaii, eastern Australia, and southeastern Africa. Southeast Pacific: Chile (Ref. 9068). Rare or absent in equatorial waters.

ຂະໜາດ / ນ້ຳໜັກ / Age

ການຈະເລີນເຕັມໄວ: Lm ?  range ? - ? cm
Max length : 82.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 6591)

Short description ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…

ສັດທີ່ມີກະດູກສັນຫຼັງ: 230. SO5 pore normally absent. Lateral line pores 49-58. Median vomerine teeth not enlarged. Posterior nostril above posterodorsal corner of eye. Other characteristics: Color gray; vertical fins black-edged; snout gray-black; iris and opercular regions silver.
Body shape (shape guide): eel-like.

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

Inhabits the continental slope (Ref. 7300, 75154) and shelf (Ref. 75154).

Life cycle and mating behavior ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ | ຜູ້ຮ່ວມມື

Castle, P.H.J., 1986. Nettastomatidae. p. 190-191. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 6591)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Least Concern (LC) ; Date assessed: 18 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

ການປະມົງ: ທີ່ບໍ່ມີຄວາມສົນໃຈ
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Summary page | ຈຸດໃດໜຶ່ງທີ່ສະແດງຂໍ້ມູນ | ຊື່ສາມັນ | Photos

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Estimates based on models

Preferred temperature (ເອກະສານອ້າງອີງ 123201): 7.8 - 17.5, mean 11.5 °C (based on 548 cells).
Phylogenetic diversity index (ເອກະສານອ້າງອີງ 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00036 - 0.00222), b=2.98 (2.76 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
ຊັ້ນເຂດຮ້ອນ (ເອກະສານອ້າງອີງ 69278):  3.5   ±0.5 se; based on size and trophs of closest relatives
ຄວາມຢືດຢຸ່ນ (ເອກະສານອ້າງອີງ 120179):  ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Assuming tmax>10).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (53 of 100). 🛈