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Cynoscion nebulosus (Cuvier, 1830)

Spotted weakfish
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Cynoscion nebulosus   AquaMaps   Data sources: GBIF OBIS
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Image of Cynoscion nebulosus (Spotted weakfish)
Cynoscion nebulosus
Picture by Flescher, D.


Mexico country information

Common names: Corvina, Curvina, Trucha de mar
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: commercial | Ref: Anonymous, 1994
Aquaculture: | Ref:
Regulations: no regulations | Ref: Anonymous, 1994
Uses: no uses
Comments: Recorded from Laguna de Términos (Ref. 79080) and Celestún Biosphere Reserve, Yucatan (Ref. 74908). Production is increasing to replace increasingly restricted fishing in United States waters (Ref. 9988). Year round fishing; marketed fresh (whole, fillet), frozen, or smoked (Ref. 26550).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/mx.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Anonymous, 1994
National Database:

Common names from other countries

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

> Eupercaria/misc (Various families in series Eupercaria) > Sciaenidae (Drums or croakers)
Etymology: Cynoscion: Greek, kyon = dog + Greek, odous = teeth + Greek, skion, skiaina = barbel, red mullet (Ref. 45335).
  More on author: Cuvier.

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

ສັດທະເລ; ນ້ຳກ່ອຍ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ; ບໍ່ມີການເຄື່ອນຍ້າຍ (Ref. 94474); ລະດັບຄວາມເລິກ 10 - ? m (Ref. 9988).   Subtropical; 42°N - 15°N, 83°W - 70°W (Ref. 94474)

ການແຜ່ກະຈາຍ ປະເທດ | ເຂດ FAO | ລະບົບນິເວດ | ການປະກົດຕົວ | Point map | ການແນະນຳ | Faunafri

Western Atlantic: New York to southern Florida in USA and the entire Gulf of Mexico. Northeastern Atlantic: recently reported from Guadalquivir River estuary in Spain (Ref. 94474).

Length at first maturity / ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: Lm 26.8, range 25 - 35 cm
Max length : 100.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 40637); common length : 36.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 3702); ນ້ຳໜັກສູງສຸດທີ່ເຄຍຈັດພີມມາ: 7.9 kg (Ref. 40637); ອາຍຸສູງສຸດທີ່ເຄຍລາຍງານມາ: 18 ປີ (Ref. 12193)

Short description ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…

ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ): 9 - 11; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ): 25-28; ຄີ(ໜາມ) ແຂງຢູ່ຄີກົ້ນປາ ກຸ່ມປາກະດູກແຂງ ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລໄປຫານ້ຳຈືດ ແລະນ້ຳຈືດຫາທະເລ ປາທີ່ມີການເຄື່ອນຍ້າຍຈາກທະເລແລະໄປໄຂ່ຢູ່ນ້ຳຈືດ ຄີກົ້ນຂອງປາ ສັດທີ່ມີກະດູກສັນຫັຼງ ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ 2; ຄີກົ້ນຂອງປາ: 10 - 11. Body silvery, dark grey on back with bluish reflections and numerous round black spots irregularly scattered on upper half, extending to dorsal and caudal fin. Spinous dorsal fin dusky, other fins pale to yellowish. Mouth large, oblique lower jaw projecting. Upper jaw with a pair of large canine-like teeth at tip. Lower jaw with an enlarged inner row of teeth, uniform in size and closely set. Chin without barbels or pores. Snout with 2 marginal pores. Gas bladder with a pair of nearly straight horn-like appendages. Soft portion of dorsal fin unscaled (Ref 51721).

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

Inhabits river estuaries and shallow coastal marine waters over sand bottoms, often associated with seagrass beds. Also occurs in salt marshes and tidal pools of high salinity. Feeds mainly on crustaceans and fishes. An important food and sport fish throughout its range. Utilized fresh for steaming, broiling and baking (Ref. 9988).

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

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ | ຜູ້ຮ່ວມມື

Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 03 February 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

ການປະມົງ: ເປັນສີນຄ້າ; ຊະນິດປາທີ່ຖືກນຳໃຊ້ເຂົ້າໃນການຫາເພື່ອເປັນເກມກິລາ: ແມ່ນ

ຂໍ້ມູນຕື່ມອີກ

ຊື່ສາມັນ
ຄຳສັບຄ້າຍຄືກັນ
ການເຜົາໃໝ້ພະລັງງານໂດຍປ່ຽນທາດອາຫານໃນຮ່າງກາຍໃຫ້ກາຍເປັນຊີ້ນແລະໜັງ
ຜູ້ລ້າ
ການສຶກສາຜົນກະທົບຂອງສານຜິດທີ່ມີຜົນກະທົບຕໍ່ລະບົບນິເວດ
ການສືບພັນ
ການຈະເລີນເຕັມໄວ
ການວາງໄຂ່
ຄວາມດົກຂອງໄຂ່ປາ
ໄຂ່
Egg development
ເອກະສານອ້າງອີງ
ການລ້ຽງສັດນ້ຳ
ຂໍ້ມູນການລ້ຽງສັດນ້ຳ
ສາຍພັນ
ກຳມະພັນ
Electrophoreses
ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ
ພະຍາດ
ການປຸງແຕ່ງ
Mass conversion
ຜູ້ຮ່ວມມື
ຮູບ
Stamps, Coins Misc.
ສຽງ
ຫອຍມີພິດຊະນິດນຶ່ງທີ່ອາໄສໃນທະເລ
ຄວາມໄວ
ປະເພດການລອຍ
ເນື້ອທີ່ເຫືອກ
Otoliths
ສະໝອງ
ວິໄສທັດ

ເຄື່ອງມື

Special reports

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ແຫຼ່ງອີນເຕີເນັດ

Estimates based on models

Preferred temperature (Ref. 115969): 12 - 26.7, mean 24.3 (based on 88 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00502 - 0.01317), b=3.05 (2.92 - 3.18), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
ຊັ້ນເຂດຮ້ອນ (Ref. 69278):  4.0   ±0.66 se; based on food items.
ຄວາມຢືດຢຸ່ນ (Ref. 120179):  ຂະໜາດກາງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 1.4 - 4.4 ປີ (K=0.2-0.3; tmax=18; tm=1; Fec=1 million).
Prior r = 0.69, 95% CL = 0.46 - 1.04, Based on 1 stock assessment.
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).
Climate Vulnerability (Ref. 125649):  High vulnerability (60 of 100).
Price category (Ref. 80766):   Medium.