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Raja mauritaniensis White & Fricke, 2021

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

ກຸ່ມປາກະດູກອ່ອນ (ເຊັ່ນ: ປາສະຫລາມ, ປາຜາໄລ) (sharks and rays) > Rajiformes (Skates and rays) > Rajidae (Skates)
Etymology: Raja: Latin, raja, -ae = a sting ray (Raja sp.) (Ref. 45335);  mauritaniensis: Named for the geographic region of the type specimens; i.e. Mauritania, to acknowledge the intent by Capapé (1977) to name this skate based on its known distribution..

Issue
Raja africana Capapé, 1977 is a homonym, being preoccupied by Raja africana Bloch & Schneider, 1801(Ref. 26282) and thus needs a replacement name which is Raja mauritaniensis White & Fricke, 2021 (Ref. 124211).

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

ສັດທະເລ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ; ລະດັບຄວາມເລິກ 50 - 400 m (Ref. 4426). Subtropical; 38°N - 17°N

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

Eastern Atlantic: Mauritania and the southwestern Mediterranean Sea.

ຂະໜາດ / ນ້ຳໜັກ / Age

Maturity: Lm ?  range ? - ? cm
Max length : 80.0 cm TL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 4426)

ຊີວະສາດ     ຄຳແປສັບ (ຕ.ຢ. epibenthic)

Found in shelf and slope waters, depending on seasonal lower bottom water temperatures. Feeds on crustaceans and bony fishes (Ref. 3167). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).

Life cycle and mating behavior Maturities | ການສືບພັນ | Spawnings | Egg(s) | Fecundities | ຕົວອ່ອນ

Oviparous (Ref. 3167). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).

Main reference Upload your references | ເອກະສານອ້າງອີງ | ຜູ້ປະສານງານ : McEachran, John | ຜູ້ຮ່ວມມື

White, W.T. and R. Fricke, 2021. Raja mauritaniensis: a replacement name for Raja africana Capapé, 1977 (Rajiformes: Rajidae), a junior homonym of Raja africana Bloch & Schneider, 1801 (Myliobatiformes: Dasyatidae). Zootaxa 4970(2):399-400. (Ref. 124211)

IUCN Red List Status (Ref. 130435)

  Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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Estimates based on models

Preferred temperature (Ref. 123201): 13.5 - 17.4, mean 15.1 °C (based on 42 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00269 (0.00124 - 0.00582), b=3.26 (3.09 - 3.43), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
ຊັ້ນເຂດຮ້ອນ (Ref. 69278):  4.0   ±0.65 se; based on food items.
ຄວາມຢືດຢຸ່ນ (Ref. 120179):  ຕຳ່, ປະຊາກອນຕຳ່ສຸດທີ່ໃຊ້ເວລາສອງເທົ່າ 4.5 - 14 ປີ (Fec assumed to be <100).
Fishing Vulnerability (Ref. 59153):  Moderate to high vulnerability (52 of 100).