Pateobatis hortlei, Hortle's whipray

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Pateobatis hortlei (Last, Manjaji-Matsumoto & Kailola, 2006)

Hortle's whipray
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Pateobatis hortlei   AquaMaps   Data sources: GBIF OBIS
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Image of Pateobatis hortlei (Hortle\
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drawing shows typical species in Dasyatidae.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (hajar och rockor) (sharks and rays) > Myliobatiformes (Stingrays) > Dasyatidae (Stingrays) > Urogymninae
Etymology: Pateobatis: Combination of Latin 'pateo' for 'lie open, be exposed' and 'batis' for skate, ray or flatfish; referring to the eclectic nature of members of this group.;  hortlei: Named for Kent Hortle.  More on authors: Last, Manjaji-Matsumoto & Kailola.

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

; marina; brackvatten bottenlevande; djupintervall 2 - 7 m (Ref. 58025).   Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Western Pacific: eastern Indonesia (Irian Jaya), Papua New Guinea and northern Australia.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 70.7 cm WD hane/ej könsbestämd; (Ref. 58025); 65.4 cm WD (female)

Short description Morfologi | Morfometri

Distinguished by the following combination of characters: subcircular disc, very angular anteriorly, length 1.1 times DW; pectoral-fin apices broadly rounded; snout extremely elongate, 11-18 times orbit diameter, 96-99° angle; snout to maximum disc width 52-58% of DW; orbit very small, diameter 0.4-0.5 of spiracle length, 3.8-6.3 times in interorbital distance; mouth not greatly protrusible; prepelvic process not expanded; 1-3 enlarged, flattened, pearl-shaped mid-scapular denticles; denticles of main band in two main sizes in adults, crowns plate-like to heart-shaped; dorsal disc uniformly yellowish, brownish, or greyish; ventral surface of adults usually canary yellow in fresh material, often black around oronasal region and gill slits; pectoral fin radials 135-143; pelvic-fin radials 22-28; total vertebral centra 99-108 (Ref. 58025).

Biologi     Ordlista (t.ex. epibenthic)

Demersal inshore; commonly found over shallow intertidal mud flats and in estuaries in only several metres depth. Viviparous, with histotrophy. Presumably feeds on crustaceans, molluscs and small fishes. Caught regularly, but usually avoided, by beach seine fisheries operating in intertidal habitats. Possibly adversely affected by mangrove loss. Utilized for its meat, and possibly also for its skin and cartilage. (Ref.58048).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator : McEachran, John | Medarbetare

Last, P.R., M. Manjaji-Matsumoto and P.J. Kailola, 2006. Himantura hortlei n. sp., a new species of whipray (Myliobatiformes: Dasyatidae) from Irian Jaya, Indonesia. Zootaxa (1239):19-34. (Ref. 58025)

IUCN Red List Status (Ref. 123251)

  Sårbar, se IUCNs rödlista (VU) (A4cd); Date assessed: 11 July 2007

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Ytterligare information

Länder
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Ekosystem
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Estimates based on models

Preferred temperature (Ref. 115969): 27.9 - 29.2, mean 28.8 °C (based on 264 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00359 - 0.01840), b=3.11 (2.90 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.5   ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Låg, lägsta populationsfördubblingstid 4,5-14 år ().
Vulnerability (Ref. 59153):  High to very high vulnerability (72 of 100) .