Issue
Probably a junior synonym of Tetronarce tremens according to Carvalho et al., 2002 in Weigmann, 2016 (Ref. 106604).
Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
ສັດທະເລ ກ່ຽວກັນຫີນ; ລະດັບຄວາມເລິກ 24 - 168 m (Ref. 12951). Tropical
Southeast Pacific: Peru and the Galapagos Islands (Ref. 12951); including Colombia (Ref. 58465).
ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 12951)
A semi-pelagic ray found on sand and mud bottoms as well as in the water column over deep water. Ovoviviparous (Ref. 50449).
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).
Michael, S.W., 1993. Reef sharks and rays of the world. A guide to their identification, behavior, and ecology. Sea Challengers, Monterey, California. 107 p. (Ref. 12951)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
ເຄື່ອງມື
Special reports
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ແຫຼ່ງອີນເຕີເນັດ
Estimates based on models
Preferred temperature (Ref.
123201): 13.3 - 16.9, mean 15.3 °C (based on 12 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00665 - 0.03288), b=2.96 (2.77 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ຊັ້ນເຂດຮ້ອນ (Ref.
69278): 4.1 ±0.6 se; based on size and trophs of closest relatives
ຄວາມຢືດຢຸ່ນ (Ref.
120179): ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
