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Aptychotrema timorensis Last, 2004

Spotted shovelnose ray
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drawing shows typical species in Trygonorrhinidae.

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

ກຸ່ມປາກະດູກອ່ອນ (ເຊັ່ນ: ປາສະຫລາມ, ປາຜາໄລ) (sharks and rays) > Rhinopristiformes (Shovelnose rays) > Trygonorrhinidae (Banjo rays, Fiddler rays)
Etymology: Aptychotrema: Greek, a = without + Greek, ptyx, ptychos = fold + Greek, trema = hole (Ref. 45335)timorensis: Named for its type locality, Timor Sea.
More on author: Last.

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

ສັດທະເລ ກ່ຽວກັບ (ຢູ່)ເທິງຊັ້ນພື້ນດິນໃນທະເລເປີດ; ລະດັບຄວາມເລິກ ? - 124 m (Ref. 58070). Tropical; 9°S - 10°S, 130°E - 132°E (Ref. 114953)

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

Western Pacific: Arafura Sea, northern Australia.

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: Lm ?  range ? - ? cm
Max length : 58.2 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 58070)

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

This species is distinguished by the following combination of characters: disc relatively large, broadly wedge-shaped, with a narrowly pointed snout; orbit diameter equal to interorbital width; tail short, about 1.1 times precIoacal length; mouth small, precloacal length about 8 times mouth width; first dorsal-fin short, length 6% TL, ca 2.3 times in interdorsal distance; dorsal-fin apices angular; caudal fin short, dorsal margin 12% TL; pelvic fin large, length about 2.8 times its width; post-synarcual vertebral centra 156; nasal lamellae 27; ventral tip of snout not black-tipped; dorsal surface covered with small, white spots (Ref. 58070).

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

A benthic species found inshore on mid-continental shelf. Biology little known. Maturity size of only two males known at 48-50 cm TL (Ref. 114953).

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

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ | ຜູ້ຮ່ວມມື

Last, P.R., 2004. Rhinobatos sainsburyi n. sp. and Aptychotrema timorensis n. sp. -- two new shovelnose rays (Batoidea: Rhinobatidae) from the eastern Indian Ocean. Rec. Aust. Mus. 56(2):201-208. (Ref. 58070)

IUCN Red List Status (Ref. 130435: Version 2024-1)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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ຂໍ້ມູນຕື່ມອີກ

Trophic ecology
ລາຍການອາຫານ
ອົງປະກອບຂອງອາຫານ
ການບໍລິໂພກອາຫານ
Food rations
ຜູ້ລ້າ
Population dynamics
ຕົວວັດແທກການເຕີບໃຫຍ່
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
ການທົດແທນທີ່
ຄວາມອຸດົມສົມບູນ
Life cycle
ການສືບພັນ
ການຈະເລີນເຕັມໄວ
Maturity/Gills rel.
ຄວາມດົກຂອງໄຂ່ປາ
ການວາງໄຂ່
Spawning aggregations
ໄຂ່
Egg development
ຕົວອ່ອນ
ການປ່ຽນແປງຂອງຕົວອ່ອນ
Distribution
ປະເທດ
ເຂດ FAO
ລະບົບນິເວດ
ການປະກົດຕົວ
ການແນະນຳ
BRUVS - Videos
Anatomy
ເນື້ອທີ່ເຫືອກ
Brain
Otolith
Physiology
Body composition
Nutrients
ການບໍລິໂພກອົກຊີເຈນ
ປະເພດການລອຍ
ຄວາມໄວໃນການລອຍ
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
ກຳມະພັນ
Heterozygosity
ການຖ່າຍທອດທາງກຳມະພັນຈາກພໍ່ແມ່ຫາລູກ
Human related
Aquaculture systems
ຂໍ້ມູນການລ້ຽງສັດນ້ຳ
ສາຍພັນ
Ciguatera cases
Stamps, coins, misc.
Taxonomy
ຊື່ສາມັນ
ຄຳສັບຄ້າຍຄືກັນ
ສະລີລະວິທະຍາ
ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
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ແຫຼ່ງອີນເຕີເນັດ

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.6250   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00267 - 0.01964), b=3.00 (2.77 - 3.23), 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 size and trophs of closest relatives
ຄວາມຢືດຢຸ່ນ (Ref. 120179):  ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Preliminary low fecundity).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (43 of 100).