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Rhynchobatus springeri Compagno & Last, 2010

Broadnose wedgefish
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Rhynchobatus springeri   AquaMaps   Data sources: GBIF OBIS
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Image of Rhynchobatus springeri (Broadnose wedgefish)
Rhynchobatus springeri
Picture by Krajangdara, T. & S. Boonsuk

Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> Rhinopristiformes (Shovelnose rays) > Rhinidae (Wedgefishes)
Etymology: Rhynchobatus: Greek, rhingchos = snout + Greek, batis, -idos = a sting ray (Raja sp.) (Ref. 45335);  springeri: Named for Stewart "Stew" Springer.  More on authors: Compagno & Last.

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

; marina; brackvatten; djupintervall 16 - 37 m (Ref. 84284).   Tropical; 20°N - 10°S, 95°E - 128°E (Ref. 114953)

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

Indo-Malay: from Java (Indonesia) to Thailand, including Borneo, Singapore and the Philippines..

Size / Vikt / Age

Maturity: Lm ?  range ? - 125 cm
Max length : 215 cm TL hane/ej könsbestämd; (Ref. 84284); 213.0 cm TL (female)

Short description Morfologi | Morfometri

This moderate-sized species is distinguished by the following set of characters: snout broadly wedge-shaped; preoral snout 16-22% of total length; eye small, length 3.1-4.0 in preorbital snout; interorbital space 2.2-2.7 in preorbital snout; mouth hardly bowed, with strong indentation on upper jaw near symphysis and strong protuberance on lower jaw; tooth rows in upper jaw about 52 (holotype); dorsal snout no spines; dorsal tip of snout with no rostral spines or spines; supraorbital spines small but well differentiated, extending from preorbit to end of spiracle; spines of mid-dorsal row relatively well developed; two obvious rows of small scapular spines on each side; origin of first dorsal fin over origin of pelvic fin bases; predorsal space 42-48% of total length; colour pale greyish green above with 3-4 rows of large, white spots extending along the tail; black pectoral marking distinct, usually closely surrounded with 4 white spots (occasionally 3); anterior pectoral disc with narrow whitish margin; orbital membrane with a pair of dark, widely spaced, recurved lines; interorbital space with no alternating light and dark markings; propterygial radials 1-8 + 20-23, mesopterygial radials 4-6, neopterygial radials 4-7, metapterygial radials 23-29, total radials 57-68 (inc. free radials); vertebrae with 12-14 synarcual centra, 18-28 monospondylous precaudal centra, 78-88 precaudal free centra, 33-40 diplospondylous caudal (free) centra, 113-126 total free centra, 127-139 total centra (including synarcual centra) (Ref. 84284).

Biologi     Ordlista (t.ex. epibenthic)

Apparently confined mainly to brackish coastal and estuarine habitats in shallow water (Ref. 84284). Diet unknown, but presumably similar to other wedgefishes (Ref. 114953).

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

Main reference Upload your references | referenser | Koordinator | Medarbetare

Compagno, L.J.V. and P.R. Last, 2010. A new species of wedgefish, Rhynchobatus springeri (Rhynchobatoidei, Rhynchobatidae), from the Western Pacific. 77-88 pp. In Last, P.R., White, W.T. & Pogonoski, J.J. (eds.): Descriptions of new sharks and rays from Borneo. CSIRO Marine and Atmospheric Research Paper no. 32. (Ref. 84284)

IUCN Red List Status (Ref. 120744)

  Sårbar, se IUCNs rödlista (VU) (A2ad+3d+4ad); Date assessed: 31 January 2006

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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Ytterligare information

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synonymer
Metabolik
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Lek
Spawning aggregation
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Ägg
Egg development
Age/Size
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Internet-källor

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 | Tree of Life | Wikipedia(Go, sök) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 28 - 29.1, mean 28.7 (based on 160 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5049   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00150 - 0.01008), b=3.11 (2.88 - 3.34), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.6   ±0.6 se; Based on size and trophs of closest relatives
Resiliens (Ref. 69278):  .
Vulnerability (Ref. 59153):  High to very high vulnerability (72 of 100) .