Rhynchobatus laevis

(BLOCH & SCHNEIDER, 1801)


Smooth nose wedgefish
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

Rhynchobatus laevis (BLOCH & SCHNEIDER, 1801)

Synonyms / new combinations and misspellings
Rhinobatus laevis, Rhynchobatus cf. laevis, Rhynchobatus yentinensis

Types
Rhynchobatus laevis
Holotype: ZMB: 5536 Syntype: MNHN: A.7850; MNHN: A.7851;
Rhynchobatus yentinensis
Holotype: SSCN: 10881


Description :


Citation: Rhynchobatus laevis (BLOCH & SCHNEIDER, 1801): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 10/2020

Please send your images of "Rhynchobatus laevis" to info@shark-references.com

Rhynchobatus laevis (BLOCH & SCHNEIDER, 1801) Marve, Malad, Mumbai in fisherman's net, 29.11.2017, 50 cm TL © Pradip Patade, India
Common names
eng Smooth nose wedgefish, eng Smoothnose wedgefish

Short Description
Distinctive Characters: Snout narrowly wedgeshaped; preorbital length usually over 17% of TL (young less than 50 cm TL); total free vertebral centra 149–158. Colour: Olive-green above, white below (a black blotch sometimes on ventral side of snout); large black eyespots on pectoral fin bases; eye-brow like markings on the orbital membranes; rows of small white spots on trunk and tail of young (fading out in adults). [26548]

Distribution
Indo-West Pacific; Oman to Japan, [20218]

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].

Size / Weight / Age
TL (max): 200 cm (?); TL (mature): ~130 cm [20218]

Habitat
demersal; marine

Remarks
shark-references Species-ID=6162;

Parasites (arranged by Jürgen Pollerspöck)
Cestoda
  • Acanthobothrium bobconniorum FYLER & CAIRA, 2010 [16088] [28741]
  • Acanthobothrium hypermekkolpos FYLER & CAIRA, 2010 [16088] [28741]
  • Acanthobothrium jeanneae FYLER & CAIRA, 2010 [16088] [28741]
  • Acanthobothrium matttaylori FYLER & CAIRA, 2010 [16088] [28741]
  • Halysiorhynchus macrocephalus (SHIPLEY & HORNELL, 1906) [21816]
  • Prochristianella clarkeae BEVERIDGE, 1990 [17404]
  • Proemotobothrium linstowi (SOUTHWELL, 1912) [21816]
  • Stoibocephalum koenneckeorum JENSEN, 2005 [23959]