GYMNURA MICRURA PDF
Gymnura micrura. Bloch & Schneider, Synonyms. Aetoplatea Valenciennes in Müller & Henle, ; Phanerocephalus Gratzianov, ; Pteroplatea Müller & Henle, The butterfly rays are the rays forming the genus Gymnura and the family Gymnuridae. Gymnura micrura. This diamond-shaped ray is much wider than it is long, usually 3 to 4 feet wide, and its short tail lacks the ray’s usual spine. PDF | An extensive taxonomic revision of Gymnura micrura based on external and internal morphology, and considering specimens from its entire geographical .
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Taxonomy Bloch and Schneider first described the smooth butterfly ray in Reproduction Exhibits ovoviparity aplacental viviparitywith 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 specialized structures.
Denticles The skin is relatively smooth with small denticles. Upper surface gray, brown, light green or purple with round spots. Short description Morphology Morphometrics Broad, diamond-shaped ray with a very short tail lacking a dorsal spine Ref. From Wikipedia, the free encyclopedia. Smooth butterfly ray Conservation status. The dorsal surface of this ray varies greatly in color, either gray, brown, or light green.
Gymnuridae Fowler In the western Atlantic it occurs from Maryland to Brazil.
Gymnura micrura – Discover Fishes
Uses authors parameter Articles with ‘species’ microformats Taxonomy articles created by Polbot. Biology Smooth butterfly ray: This gjmnura was last edited on 22 Marchat Sounds Ciguatera Speed Swim.
Add your observation in Fish Watcher Native range All suitable habitat Point map Year This map was computer-generated and has not yet been reviewed. Journal of Fish Biology.
Views Read Edit View history. The species is currently classified as data deficient by the IUCNas not information about population dynamics is known to assess its conservation status. Retrieved from ” https: The wings may be taken for bait in crab or other fisheries. This ray can be distinguished from the spiny butterfly ray G.
Gymnura van Hasselt Tail with low dorsal and ventral finfolds and 3 – 4 dark crossbars Ref.
The body of butterfly rays is flattened and surrounded by an extremely broad disc formed by the pectoral finswhich merge in front of the head. Retrieved 22 Feb This map was computer-generated and has not yet been reviewed. Uses authors parameter link CS1 maint: The genus Gymnura gymnhra the currently accepted gynura name is derived from the Greek word gymnos meaning naked.
Eight to nine rows of teeth function simultaneously. Geographical Distribution World distribution map for the smooth butterfly ray The smooth butterfly ray is found in the western and eastern Atlantic Ocean and in the Gulf of Mexico.
Dentition The upper jaw generally has 60 to teeth and lower jaw generally has 52 to teeth, with each tooth having gymnua short sharp conical cusp on a somewhat swollen base.
In other projects Wikimedia Commons. This species is known to enter brackish estuaries or hyper-saline lagoons.
Distinctive Features This is a broad, diamond-shaped ray with a very short tail lacking a dorsal spine and a protruding snout. Modified by Capuli, Estelita Emily.
Retrieved 27 March