Rhina ancylostoma

BLOCH & SCHNEIDER, 1801


Bowmouth guitarfish
Classification: Elasmobranchii Rhinopristiformes Rhinidae

Reference of the original description
BLOCH, M.E. & SCHNEIDER, J.G. (1801)
M.E. Blochii Systema Ichthyologiae iconibus ex illustratum. Post obitum auctoris opus inchoatum absolvit, correxit, interpolavit. J.G. Schneider, Saxo: 584 p., 110 pl.

Image of the original description

Rhina ancylostoma BLOCH & SCHNEIDER, 1801

Synonyms / new combinations and misspellings
Rhamphobatis ancylostoma, Rhamphobatis ancylostomus, Rhina anclyostoma, Rhina ancyclostoma, Rhina ancylostomus, Rhina cyclostomus, Rhinobates (Rhina) cyclostomus, Rhynchobatus ancylostomus, Squatina ancyclostoma

Types
Rhina ancylostoma
Lectotype: ZMB: lost Paralectotype: ZMB: 4621(lost)


Description :


Citation: Rhina ancylostoma BLOCH & SCHNEIDER, 1801: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 01/2019

Please send your images of "Rhina ancylostoma" to info@shark-references.com

Rhina ancylostoma BLOCH & SCHNEIDER, 1801, ERB 1115, male, 52,0 cm DW, 96,0 cm TL, Singapore © Frederik H. Mollen (Elasmobranch Research Belgium)
Common names
deu \(T\) Geigenrochen, deu \(T\) Hairochen, fra \(T\) Angelot, eng Bow-mouthed angel fish, eng Bowmouth guitarfish, eng Bowmouthed guitarfish, eng Mud skate, eng Shark ray, eng Shortnose mud skate

Short Description
An unmistakable guitarfish with a broad, rounded snout, large, high pectoral fins, and heavy ridges of spiky thorns over the eyes and on the back and shoulders; jaws with heavily ridged, crushing teeth in undulating rows [536]. Grey or brownish above [536], white below; numerous white spots dorsally on fins, body and tail; black spots on head and shoulders but no eyespots or ocelli (Ref. 3919).

Distribution
Indo-West Pacific: Red Sea and East Africa to Papua New Guinea, north to Japan, south to New South Wales, Australia. Source: www.gbif.org

Human uses
fisheries: commercial

Biology
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures [733]. With 4 in a litter [1658]. Size at birth 45 cm [1658]. Found on sand and mud bottoms near reefs and wrecks [1658], usually in shallow water. Sometimes found in the water column [1658]. Feeds mainly on bottom crustaceans and mollusks.

Size / Weight / Age
TL (max): ~270 cm; TL (mature): males: 150-175 cm, females: ~180 cm; TL (birth): 46-48 cm [24868]; max. published weight: 135.0 kg (Ref. 9987)

Habitat
reef-associated; marine; depth range 3 - 70 m [24868]

Remarks
shark-references Species-ID=5887;

Parasites (arranged by Jürgen Pollerspöck)
Monogenea
  • Branchotenthes robinoverstreeti BULLARD & DIPPENAAR, 2003 [7566]
  • Monocotyle ancylostomae TIMOFEEVA, 1984 [17001]

Cestoda
  • Carpobothrium rhinei SARADA, VIJAYA LAKSHMI & HANUMANTHA RAO, 1995 [16390]
  • Cephalobothrium neoaetobatidis SARADA, VIJAYA LAKSHMI & HANUMANTHA RAO, 1992 [16244]
  • Dollfusiella michiae (SOUTHWELL, 1929) [15747] [16972]
  • Halysiorhynchus macrocephalus (SHIPLEY & HORNELL, 1906) [21816]
  • Mixonybelinia southwelli (PALM & WALTER, 1999) [17850] [16112]
  • Pachybothrium hutsoni (SOUTHWELL, 1911) BAER & EUZET, 1962 [16410] [17089]
  • Phyllobothrium dagnallium SOUTHWELL, 1927 [16410] [16443] [16443]
  • Stoibocephalum arafurense CIELOCHA & JENSEN, 2012 [18125] [23959]
  • Stoibocephalum campanulatum (KLAPTOCZ, 1906) [23959]
  • Tylocephalum campanulaturn BUTLER, 1987 [13130]

Trematoda
  • Melogonimus rhodanometra BRAY, BROCKERHOFF & CRIBB, 1995 [21229]

Copepoda