ກຸ່ມປາກະດູກອ່ອນ (ເຊັ່ນ: ປາສະຫລາມ, ປາຜາໄລ) (sharks and rays) >
Torpediniformes (Electric rays) >
Narcinidae (Numbfishes)
Etymology: Narcine: Greek, narke = numbness (Ref. 45335).
ສະພາບແວດລ້ອມ / ສະພາບອາກາດ / ລະຍະ
ນິເວດວິທະຍາ
; ສັດທະເລ ກ່ຽວກັນຫີນ; ລະດັບຄວາມເລິກ 1 - 43 m (Ref. 13608). Subtropical, preferred ?; 37°N - 39°S, 98°W - 34°W
Western Atlantic: Espirito Santo, Brazil to northern Argentina (Carvalho, pers. comm.). North Carolina, USA to Florida, northern Gulf of Mexico, central Lesser Antilles and Yucatan (Ref. 26938).
Length at first maturity / ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm 28.8 range ? - ? cm
Max length : 54.0 cm WD ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 26340); common length : 35.0 cm WD ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 5217); ນ້ຳໜັກສູງສຸດທີ່ເຄຍຈັດພີມມາ: 650.00 g (Ref. 6902)
Short description
ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
A pale sand-colored ray, often with ellipses of dark spots on dorsal side of rounded disk (Ref. 26938). Grayish to reddish brown, many rounded blotches outlined with blackish spots. Dark bands across tail up to dorsal fin. Snout darkened (Ref. 7251).
Inhabits coastal waters, on sand or mud bottoms (Ref. 26340). Common along sandy shorelines, sometimes near coral reefs (Ref. 12951). Buries itself with only eyes protruding (Ref. 12951). Nocturnal, moves to shallow bays at night to feed; prefers worms, but may take juvenile snake eels, anemones, and, small crustaceans (Ref. 12951). Produces broods of 4 to 15 young (Ref. 26938). Can discharge between 14 and 37 volts. Contact with the skin can produce a severe electric shock. In addition to the main electric organ, this species possesses a bilateral accessory electric organ (Ref. 10011) speculated to have a possible role in social communication (Ref. 10489). Reported to taste good, but not fished commercially. Traded as an aquarium fish at Ceará, Brazil (Ref. 49392).
Life cycle and mating behavior
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Ovoviviparous. Sex ratio of embryos is about one to one, however, small mothers may have predominantly female embryos and that for a given mother, embryos tend to be of one sex (Ref. 46979). Maximum number of embryos per female may reach 15. The young are capable of giving off electric charges even before they are released from the womb (Ref. 46978).
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. 115185)
CITES (Ref. 94142)
Not Evaluated
Human uses
ການປະມົງ: ການປະມົງແບບກຸ້ມຕົນເອງ; ຕູ້ປາ: ເປັນສີນຄ້າ
ຂໍ້ມູນຕື່ມອີກ
Age/Sizeການເຕີບໃຫຍ່Length-weightLength-lengthLength-frequenciesການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…ສະລີລະວິທະຍາຕົວອ່ອນການປ່ຽນແປງຂອງຕົວອ່ອນການທົດແທນທີ່ຄວາມອຸດົມສົມບູນ
ເອກະສານອ້າງອີງການລ້ຽງສັດນ້ຳຂໍ້ມູນການລ້ຽງສັດນ້ຳສາຍພັນກຳມະພັນຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກພະຍາດການປຸງແຕ່ງMass conversion
ຜູ້ຮ່ວມມືຮູບStamps, Coinsສຽງຫອຍມີພິດຊະນິດນຶ່ງທີ່ອາໄສໃນທະເລຄວາມໄວປະເພດການລອຍເນື້ອທີ່ເຫືອກOtolithsສະໝອງວິໄສທັດ
ເຄື່ອງມື
Special reports
Download XML
ແຫຼ່ງອີນເຕີເນັດ
Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00542 - 0.02024), b=2.90 (2.72 - 3.08), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (Ref.
69278): 3.2 ±0.4 se; Based on diet studies.
ຄວາມຢືດຢຸ່ນ (Ref.
69278): ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Assuming fecundity<100).
Vulnerability (Ref.
59153): Low to moderate vulnerability (30 of 100) .
