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Ikan bertulang rawan (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays) > Urogymninae
Etymology: margaritella: Named for the smaller size of this stingray and of its pearl (Latin: margarita) spine, as compared to Dasyatis margarita (Ref. 26277).
More on authors: Compagno & Roberts.

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

laut; payau dasar (demersal); kisaran kedalaman ? - 60 m (Ref. 114953). Tropical

Penyebaran Negara-negara | Daerah-daerah FAO | Ecosystems | Kemunculan | Point map | Introduksi | Faunafri

Eastern Central Atlantic: West African coast from Cape Blanc in Mauritania to Angola (Ref. 7397, 81259, 81625, 114953). Often confused with Dasyatis margarita (Günther, 1870) (Ref. 7397).

Size / Weight / umur

Maturity: L_m ? range ? - ? cm
Max length : 30.0 cm WD jantan/; (Ref. 81259); Berat maksimum terpublikasi: 1.0 kg (Ref. 81259)

deskripsi pendek Morfologi | Morfometrik

vertebrata, bertulang belakang: 116 - 128. Diagnosis: Dasyatis margaritella is the smallest dasyatid in West Africa (Ref. 26277). It is most similar to Dasyatis margarita, which is larger and has a larger pearl spine, and more numerous pectoral radials, 133-135 vs. 116-127 in D. margaritella (Ref. 26277). It is also similar to D. garouaensis, which has a much flatter disc and a longer snout (Ref. 26277).

Dasyatis margaritella is the most common littoral stingray on the West African coast and it enter lagoons, shallow bays and estuaries (Ref. 7397, 81259). Most likely feeds on small invertebrates (Ref. 114953). Ovoviviparous (Ref. 50449).

Life cycle and mating behavior Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva

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). Distinct pairing with embrace (Ref. 205).

rujukan utama Upload your references | Acuan | Koordinator : McEachran, John | mitra

Séret, B., 2003. Dasyatidae. p. 81-96. In D. Paugy, C. Lévêque and G.G Teugels (eds.) The fresh and brackish water fishes of West Africa Volume 1. Collection Faune et Flore Tropicales 40. Institut de recherche de développement, Paris, France, Muséum national d'histoire naturelle, Paris, France and Musée royal de l'Afrique Central, Tervuren, Belgium, 457p. (Ref. 81259)

Status IUCN Red List (Ref. 130435)

hampir terancam (NT) (A2d); Date assessed: 04 August 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

Harmless

penggunaan manusia

Perikanan:

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 23.7 - 28, mean 26.6 °C (based on 66 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00832 (0.00366 - 0.01891), b=3.10 (2.90 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.9 ±0.13 se; based on food items.

Daya lenting (Ref. 120179): Rendah, Waktu penggandaan populasi minimum 4.5 - 14 tahun (Assuming fecundity<100).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

kategori harga (Ref. 80766): Low.

Nutrients (Ref. 124155): Calcium = 63.4 [13.9, 304.2] mg/100g; Iron = 0.84 [0.21, 2.38] mg/100g; Protein = 21.7 [18.8, 24.8] %; Omega3 = 0.222 [0.061, 0.662] g/100g; Selenium = 27.6 [8.0, 80.2] μg/100g; VitaminA = 34.4 [12.4, 91.8] μg/100g; Zinc = 1.38 [0.67, 2.66] mg/100g (wet weight);

Fontitrygon margaritella (Compagno & Roberts, 1984)