engleskiDiagnosis: Large specimens of Dasyatis centroura are recognizable by their thorny tails, by the large size and wide spacing spacing of their mid-dorsal bucklers, and by the conspicuous tubercles or bucklers on the outer parts of their discs; in smaller specimens the large tubercles have not yet developed on the tail (Ref. 6902). It differs from Dasyatis sabina, D. guttata and Himantura schmardae in the shape of disc; it resembles Dasyatis say and D. americana in shape of disc, but it can be distinguished from D. say by the fact that the tail lacks any trace of a cutaneous fold above, and from D. americana by its much narrower ventral tailfold (Ref. 6902).
Description: A very large stingray; disc rhombic, the anterior margins forming a blunt angle (Ref. 6902, 39859, 81259). Dorsal surface entirely, but irregularly rough, with a mid-dorsal row of large thorny tubercles provided with striate bases and erect cusps; a few similar tubercles scattered over pectoral fins and head (Ref. 81259). Tail whip-like and strongly spinous, with numerous rows of small spines; tail with a short dorsal ridge behind the sting and a poorly developed ventral fold, which is long long, but quite low and not easily seen (Ref. 7251).
Colouration: Dorsal side dark brown to olivaceous-brown; the lower surface whitish, with or without dark pectoral margins; tail blackish behind the sting (Ref. 6902, 81259).
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hrvatskiDijagnoza: Veliki primjerci Dasyatis centroura su prepoznatljivi po repovima trnovit, velikih dimenzija i širok razmak razmak od svoje sredine dorzalni štitova i primjetan tuberkula ili štitova na vanjskim dijelovima svoje diskove; u manji primjerci velikog tuberkula nisu još razvili na rep (Ref. 6902). Razlikuje se od Dasyatis sabina, D. guttata i Himantura schmardae u obliku diska; To nalikuje Dasyatis reći i D. americana u obliku diska, ali to se razlikuje od D. reći činjenica da rep nema traga kožni nabor iznad, a s D. americana od svojih mnogo uži smo bočne tailfold (Ref. 6902).
Opis/kontrola: Vrlo velike raže; disk rombični, prednji margine tupi kut (Ref. 6902, 39859, 81259). Dorzalnoj površini u potpunosti, ali neredovito grubo, sa sredine dorzalni red velike trnovit kvržica s striate baze i uspravno cusps; nekoliko sličnih tuberkula razbacanih prsni peraje i glavu (rif. orig. 81259). Rep bič, kao i snažno kičmeni, s brojnim reda malim bodljama; rep s kratkom dorzalni greben iza Žalac i slabo razvijene trbušne puta, koji je dugo dugo, ali vrlo nisko i nije lako (Ref. 7251).
Boja: Dorzalnoj strani tamno smeđe do olivaceous-smeđe; donje površine bjelkaste, sa ili bez tamne prsni margine; rep crnkasta iza akciji (rif. orig. 6902, 81259).
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