Classification / Names
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Characiformes (Characins) >
Serrasalmidae (Piranhas and pacus) > Myleinae
Etymology: siderocarajensis: The specific name is in allusion to the locality `Serra and Carajás', the largest high-grade iron deposit in the world. Derived from the Greek‒Latin sidero means `iron', and carajensis in reference to the type locality. A toponymic adjective..
Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
; ນ້ຳຈືດ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ. Tropical
South America: ItacaiuÂnas River and Catete River, Tocantins-Araguaia River Basin, State of Para, Brazil.
ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm ? range ? - ? cm
Max length : 35.2 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 116762)
Short description
ຕົວທີ່ໃຊ້ໃນການຈຳແນກຊະນິດ | ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
ສັດທີ່ມີກະດູກສັນຫຼັງ: 42. Tometes siderocarajensis can be diagnosed from all its congeners by dense pigmentation on the distalmost portion of the pelvic-fin rays or the entirety of the fin (vs. pelvic fin hyaline or pale, or with few scattered dark chromatophores along distal portion of rays). In addition, it differs from all congeners, except from T. camunani and T. kranponhah, by having more circumpeduncular scale rows 39?41 (vs. 38 or less), and from T. kranponhah and T. trilobatus by having 1st and 2nd labial premaxillary teeth laterally spaced (vs. 1st and 2nd labial premaxillary teeth with lateral contact). It is further distinguished from T. trilobatus by having more perforated lateral line scales 74±84 (vs. 58±72); from T. makue by having more spines on ventral keel 11±17 prepelvic spines and 26±33 total spines (vs. 0±9 and 10±23, respectively); and from T. lebaili by having a terminal to gently upturned mouth and invariably 5 dentary teeth (vs. a markedly upturned mouth and 6±7 dentary teeth) (Ref. 116762).
Inhabits rapids associated with rocky outcropping covered in aquatic macrophytes of the families Podostemaceae and Fabaceae, which serve as a food source for this fish. The stomach contents of one large specimen measuring 34.0 cm SL consisted mainly of large pieces of Podostemaceae (leaves and flowers), but also comprised of three small Fabaceae fruits and a cricket (Orthoptera). Occurs syntopically with three other serrasalmid, rapids-adapted species, namely, Mylesinus paucisquamatus, Myleus setiger, and Tometes ancylorhynchus. Commonly captured by local, professional and amateur fishermen in the Itacaiúnas River. One of the most in demand species for game fishing in the region based on fishermen report (Ref. 116762).
Life cycle and mating behavior
Maturities | ການສືບພັນ | Spawnings | Egg(s) | Fecundities | ຕົວອ່ອນ
Andrade, M.C., V.N. Machado, M. Jégu, I.P. Farias and T. Giarrizzo, 2017. A new species of Tometes Valenciennes 1850 (Characiformes: Serrasalmidae) from Tocantins-Araguaia River Basin based on integrative analysis of molecular and morphological data. Plos ONE 12(4):e0170053. (Ref. 116762)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
ຊະນິດປາທີ່ຖືກນຳໃຊ້ເຂົ້າໃນການຫາເພື່ອເປັນເກມກິລາ: ແມ່ນ
ເຄື່ອງມື
Special reports
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ແຫຼ່ງອີນເຕີເນັດ
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02291 (0.01040 - 0.05047), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ຄວາມຢືດຢຸ່ນ (Ref.
120179): ສູງ, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງໜ້ອຍກວ່າ 15 ເດືອນ (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (33 of 100).
