Himantura randalli  Last, Manjaji-Matsumoto & Moore, 2012

Arabian banded whipray
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Himantura randalli   AquaMaps   Data sources: GBIF OBIS
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Image of Himantura randalli (Arabian banded whipray)
Himantura randalli
Picture by Osmany, H.B.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays)
Etymology: Himantura: Greek, iman, imantos = thong, strap + Greek, oura = tail (Ref. 45335);  randalli: Named for J.E. Randall, Bishop Museum; whose work on the taxonomy of Indo-Pacific fishes is legendary, and who was amongst the first authors to publish a photographic image of this species (as H. gerrardi) in his guide to the fishes of Oman (Randall, 1995)..   More on author: Last.

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

Marine; demersal; depth range 1 - 40 m (Ref. 90168).   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Indian Ocean: off Kuwait, Bahrain, Qatar and Iran. known from the Persian Gulf from where it is possibly endemic (Ref. 90168).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 41.2 cm WD male/unsexed; (Ref. 90168)

Short description Morphology | Morphometrics

This medium-sized species (to at least 62 cm DW) is distinguished by the following set of characters: disc weakly rhomboidal; preorbital snout moderately elongate with weak apical lobe, snout angle 113-119°; rounded pectoral-fin apices, angle 96-98°; small, protrusible orbits; relatively broad mouth, its width 0.9-1.2 in internasal width; distance between first gill slits 2.5-2.6 times internasal distance; distance between fifth gill slits times 1.5-1.7 times internasal distance, 27-29% of ventral head length; broad pelvic-fin base, 13-17% DW; in juveniles, the tail behind sting is subcircular with deep longitudinal ventral groove and prominent mid-lateral ridge, in adults, it is weakly depressed; 1-2 (usually 1) small, broadly heart-shaped to seed shaped suprascapular denticles, primary denticle band and thorns absent; secondary denticle band irregularly sub-oval, relatively narrow (its maximum width across scapulocoracoid barely exceeding its width at spiracles), with well-defined lateral margins, narrowly tapering near tail base; fully developed band and covering entire dorsal surface of tail by 33 cm DW; dorsal surface mainly uniformly coloured (occasionally with dark flecks in specimens smaller than 25 cm DW), disc margin sometimes paler dorsally; ventral disc uniformly whitish, not black edged; in adults, darker dorsal surface of tail sharply demarcated from paler ventral surface; in neonates and juveniles, dark tail with conspicuous white saddles, its distal portion usually almost uniformly dark; pectoral-fin radials 124-129; 108-111 total vertebral count (excluding 1st synarcual centra), 43-44 monospondylous centra, 65-68 pre-sting diplospondylous centra (Ref. 90168).

Biology     Glossary (e.g. epibenthic)

Known from the Persian Gulf which is mostly shallower than 40 m and with depths rarely exceeding 60 m; soft substrates, mostly sand and mud (Ref. 90168).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : McEachran, John | Collaborators

Last, P.R., B.M. Manjaji-Matsumoto and A.B.M. Moore, 2012. Himantura randalli sp. nov., a new whipray (Myliobatoidea: Dasyatidae) from the Persian Gulf. Zootaxa 3327:20-32. (Ref. 90168)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 24.4 - 29.3, mean 26.9 (based on 128 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00306 - 0.01967), b=3.02 (2.80 - 3.24), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.6   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years ().
Vulnerability (Ref. 59153):  Very high vulnerability (90 of 100) .