Maculabatis arabica, Arabic whipray

Maculabatis arabica Manjaji-Matsumoto & Last, 2016

Arabic whipray
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Maculabatis arabica   AquaMaps   Data sources: GBIF OBIS
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Image of Maculabatis arabica (Arabic whipray)
No image available for this species;
drawing shows typical species in Dasyatidae.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays) > Urogymninae
Etymology: arabica: Named for its type locality; noun in apposition.

Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie

seewasser demersal; tiefenbereich 15 - 29 m (Ref. 110187). Tropical

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Indian Ocean: Pakistan to India, in the Arabian Sea (Ref. 110187), with a first record of a possible immature individual from Sri Lanka (Ref. 120444).

Größe / Gewicht / Alter

Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 45.0 cm WD Männchen/unbestimmt; (Ref. 110187); 63.4 cm WD (female)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Wirbelzahl: 102 - 111. This species (with size at least 63 cm DW) is distinguished by this set of the characters: disc is broadly rhomboidal, its length 89-93% DW; snout is moderately elongate with small apical lobe, snout angle 113-121°; pectoral-fin apices are narrowly rounded; orbits small, protruding slightly; mouth is relatively narrow, its width 1.1-1.6 in internasal width; the distance between first gill slits 2.1-2.3 times internasal distance; distance between fifth gill slits is 1.4-1.5 times internasal distance, 28--30% of ventral head length; pelvic-fin base is narrow, 12-13% DW; a small yellow, seed-shaped suprascapular denticle followed by a slightly larger white, heart-shaped denticle; weak primary denticle band present in young but soon becoming inconspicuous; secondary denticle band is irregularly suboval, relatively narrow with well-defined lateral margins, rounded forward of orbit and not extending lateral to orbit even in large adults; adults with a broad band near tail base; dorsal disc uniformly brownish (lacking white spots); ventral disc pale with broad, weakly-defined and slightly darker margins; anterior tail light-brown on dorsal surface and usually without white lateral spots; tail banded dorsally behind caudal-sting base, bands more obscure or absent with age; pectoral-fin radials 127-135; total vertebral count, including synarcual centra 102-111, monospondylous centra 41-47, pre-sting diplospondylous centra 55-68 (Ref. 110187).
Body shape (shape guide): other (see remarks); Cross section: flattened.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Immature male at 36.0 cm WD, while size at birth is probably slightly smaller than 17 cm WD (Ref. 110187).

Lebenszyklus und Paarungsverhalten Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven

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Manjaji-Matsumoto, B.M. and P.R. Last, 2016. Two new whiprays, Maculabatis arabica sp. nov. and M. bineeshi sp. nov. (Myliobatiformes: Dasyatidae), from the northern Indian Ocean. Zootaxa 4144(3):335-353. (Ref. 110187)

IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))

  vom Aussterben bedroht (CR) (A2d+3d); Date assessed: 08 February 2017

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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Schätzungen auf der Grundlage von Modellen

Phylogenetischer Diversitätsindex
(Ref. 82804) 		PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.01023 (0.00486 - 0.02155), b=3.06 (2.86 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophische Ebene
(Ref. 69278) 		3.7   ±0.4 se; based on size and trophs of closest relatives
Anfälligkeit der Fischerei
(Ref. 59153) 		Very high vulnerability (87 of 100). 🛈