Rhynchobatus djiddensis, Giant guitarfish : fisheries, gamefish, aquarium

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Rhynchobatus djiddensis (Forsskål, 1775)

Giant guitarfish
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Rhynchobatus djiddensis   AquaMaps   Data sources: GBIF OBIS
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Rhynchobatus djiddensis
Picture by Modder, T.

Classification / Names ຊື່ສາມັນ | ຄຳສັບຄ້າຍຄືກັນ | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> Rhinopristiformes (Shovelnose rays) > Rhinidae (Wedgefishes)
Etymology: Rhynchobatus: Greek, rhingchos = snout + Greek, batis, -idos = a sting ray (Raja sp.) (Ref. 45335).  More on author: Forsskål.

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

; ສັດທະເລ; ນ້ຳກ່ອຍ ກ່ຽວກັນຫີນ; ລະດັບຄວາມເລິກ 1 - 75 m (Ref. 106604).   Tropical; 35°N - 35°S, 22°E - 83°E

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

Western Indian Ocean: restricted to the Red Sea and the tropical western Indian Ocean to South Africa. Also reported from Persian Gulf (Ref. 68964). Apparently misidentified with closely related species in the northern and eastern Indian Ocean and western Pacific (however, Ref. 5978 seems to present a reliable record from western Indonesia).

Length at first maturity / ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: Lm ?, range 177 - ? cm
Max length : 310 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 5578); ນ້ຳໜັກສູງສຸດທີ່ເຄຍຈັດພີມມາ: 227.0 kg (Ref. 3919)

Short description ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…

A large guitarfish with large black eyespots on the pectoral bases, a distinctive black cross between the eyes, and rows of small white spots on the upper body; snout pointed and lower caudal lobe short (Ref. 5578). Olive-green above, white below (Ref. 5578). Mouths small and contain flattened, pavement-like teeth.

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

Occurs inshore and in shallow estuaries (Ref. 5578). Feeds on crabs, lobsters, bivalves, small fishes (Ref. 5578) and squids (Ref. 37816). Ovoviviparous (Ref. 50449). Takes crayfish and pilchard bait. Meat and fins sought after in Asian markets (Ref. 30573).

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

Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). With 4 young, about 43-60 cm in length (Ref. 37816), born in the summer (Ref. 3919).

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ | ຜູ້ຮ່ວມມື

Compagno, L.J.V., 1986. Rhinobatidae. p. 128-131. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3919)

IUCN Red List Status (Ref. 120744)


CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

ການປະມົງ: ເປັນສີນຄ້າ; ຊະນິດປາທີ່ຖືກນຳໃຊ້ເຂົ້າໃນການຫາເພື່ອເປັນເກມກິລາ: ແມ່ນ; ຕູ້ປາ: ບ່ອນວາງສະແດງສັນນ້ຳຂອງລັດ

ຂໍ້ມູນຕື່ມອີກ

ຊື່ສາມັນ
ຄຳສັບຄ້າຍຄືກັນ
ການເຜົາໃໝ້ພະລັງງານໂດຍປ່ຽນທາດອາຫານໃນຮ່າງກາຍໃຫ້ກາຍເປັນຊີ້ນແລະໜັງ
ຜູ້ລ້າ
ການສຶກສາຜົນກະທົບຂອງສານຜິດທີ່ມີຜົນກະທົບຕໍ່ລະບົບນິເວດ
ການສືບພັນ
ການຈະເລີນເຕັມໄວ
ການວາງໄຂ່
ການສັງລວມການວາງໄຂ່
ຄວາມດົກຂອງໄຂ່ປາ
ໄຂ່
Egg development
Age/Size
ການເຕີບໃຫຍ່
Length-weight
Length-length
Length-frequencies
ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
ສະລີລະວິທະຍາ
ຕົວອ່ອນ
ການປ່ຽນແປງຂອງຕົວອ່ອນ
ການທົດແທນທີ່
ຄວາມອຸດົມສົມບູນ
ເອກະສານອ້າງອີງ
ການລ້ຽງສັດນ້ຳ
ຂໍ້ມູນການລ້ຽງສັດນ້ຳ
ສາຍພັນ
ກຳມະພັນ
ຄວາມຖີ່ຂອງກຸ່ມຖ່າຍທອດພັນ
ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ
ພະຍາດ
ການປຸງແຕ່ງ
Mass conversion
ຜູ້ຮ່ວມມື
ຮູບ
Stamps, Coins Misc.
ສຽງ
ຫອຍມີພິດຊະນິດນຶ່ງທີ່ອາໄສໃນທະເລ
ຄວາມໄວ
ປະເພດການລອຍ
ເນື້ອທີ່ເຫືອກ
Otoliths
ສະໝອງ
ວິໄສທັດ

ເຄື່ອງມື

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Estimates based on models

Preferred temperature (Ref. 115969): 24.5 - 29.3, mean 27.1 (based on 304 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5049   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00146 - 0.01036), b=3.11 (2.88 - 3.34), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
ຊັ້ນເຂດຮ້ອນ (Ref. 69278):  3.6   ±0.6 se; Based on diet studies.
ຄວາມຢືດຢຸ່ນ (Ref. 120179):  ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Fec assumed to be <100).
Prior r = 0.28, 95% CL = 0.16 - 0.48, Based on 1 stock assessment.
Vulnerability (Ref. 59153):  Very high vulnerability (76 of 100) .
Price category (Ref. 80766):   High.