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Potamotrygon amandae

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Potamotrygon amandae Loboda & Carvalho, 2013

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

ກຸ່ມປາກະດູກອ່ອນ (ເຊັ່ນ: ປາສະຫລາມ, ປາຜາໄລ) (sharks and rays) > Myliobatiformes (Stingrays) > Potamotrygonidae (River stingrays) > Potamotrygoninae
Etymology: Potamotrygon: Greek, potamos = river + Greek, trygon = a sting ray (Ref. 45335); amandae: Named for Amanda Lucas Gimeno, who was an undergraduate colleague of the first author.
Eponymy: Amanda Lucas Gimeno (1984–2006) was a Brazilian biologist who graduated (2005) from the University of São Paulo, where the senior author had been one of her undergraduate colleagues. [...] (Ref. 128868), visit book page.

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

; ນ້ຳຈືດ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ. Tropical

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

South America: Paraná-Paraguay basin.

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: Lm ?  range ? - ? cm
Max length : 31.2 cm WD ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 95047); 34.1 cm WD (female)

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

ສັດທີ່ມີກະດູກສັນຫຼັງ: 113 - 129. Distinguished from other species of the genus of Potamotrygon in the Paraná-Paraguay basin, except P. motoro and P. pantanensis, by its predominantly grayish or dark brown dorsal background color usually with bicolored ocelli on dorsal disc (vs. lacking ocelli in P. falkneri, P. histrix, P. schuhmacheri, and P. brachyura; some specimens of P. amandae without ocelli and have a uniform dark brown or gray dorsal color). Can be diagnosed from P. motoro and P. pantanensis by having the following combination of characters: dorsal background predominantly grayish or dark brown (P. motoro with dorsal disc background color gray, dark gray, olive, olivaceous brown, or dark brown, and P. pantanensis with dorsal disc background brown); ocelli, when present, with two colors, with a whitish, light gray or light yellow central area surrounded by a black peripheral ring (tricolored ocelli with a peripheral dark ring, yellowish or orange center and with an intermediate band in P. motoro; bicolored ocelli with a beige, orange or dark yellow central area surrounded by a peripheral black ring in P. pantanensis); ventral disc grayish, covering almost all of ventral disc (ventral color predominantly whitish over central disc in P. motoro and P. pantanensis); dermal denticles differ from P. motoro due to their smaller size and without developed coronal plates in P. amandae and from P. pantanensis due to their distribution over almost entire dorsal side of disc (in P. motoroand P. pantanensis, dermal denticles do not cover almost entire dorsal disc); greater spiracular length compared to P. motoro and P. pantanensis, with mean 10.1% DW (ranging from 8.2 to 12.8% DW), whereas in P. motoro spiracular mean length is 8.0% DW (ranging from 6.7 to 9.8% DW), and in P. pantanensis mean spiraclular length is 8.7% DW (ranging from 7.6 to 9.6% DW); relatively longer tail, with tail length averaging 82.1% DW, whereas mean tail length is 78.5% DW in P. motoro and 73.4% DW in P. pantanensis; tail relatively more slender in P. amandae, with mean tail width 11.0% DW (ranging from 7.2 to 13.6% DW), whereas in P. motoro and P. pantanensis mean tail width is, respectively, 13.4% DW and 13.2% DW (ranging from 10.5 to 14.8% and 11.2 to 15.5% DW, respectively); frontoparietal fontanelle of neurocranium constricted at midlength (unconstricted in P. motoro and P. pantanensis), and postorbital process clearly more developed than in P. motoro and P. pantanensis; anterior angular cartilage with its medial portion at articulation with Meckel’s cartilages highly curved (J-shaped), and much greater than posterior angular cartilage (both angular cartilages subequal in P. motoro, and P. pantanensis with anterior angular cartilage rather straight, not J-shaped) (Ref. 95047).

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

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

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ : Carvalho, Marcelo | ຜູ້ຮ່ວມມື

Loboda, T.S. and M.R. de Carvalho, 2013. Systematic revision of the Potamotrygon motoro (Müller & Henle, 1841) species coplex in the Paraná-Paraguay basin, with description of two new ocellated species (Chondrichthyes: Myliobatiformes: Potamotrygonidae). Neotrop. Ichthyol/ 11(4):693-737. (Ref. 95047)

IUCN Red List Status (Ref. 130435: Version 2024-2)

  Least Concern (LC) ; Date assessed: 03 March 2023

CITES

Appendix III: International trade cooperation

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





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Summary page | ຈຸດໃດໜຶ່ງທີ່ສະແດງຂໍ້ມູນ | ຊື່ສາມັນ | Photos

ແຫຼ່ງອີນເຕີເນັດ

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: ຕະກຸນ, ຊະນິດ | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | ແຜນທີ່ສະແດງກິ່ງງ່າຂອງເຊື້ອຕະກຸນປາ, ສັດ ຈາກບັນພະບູລຸດຈົນເຖິງຫລານ | Wikipedia: Go, ຊອກຫາ | World Records Freshwater Fishing | Zoobank | ການບັນທຶກດ້ານສັດວິທະຍາ

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
ຊັ້ນເຂດຮ້ອນ (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).


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