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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IUCN Red List of Threatened Species

Distinctive Features This is a broad, diamond-shaped ray with a very short tail lacking a dorsal spine and a protruding snout. Butterfly rays Smooth butterfly ray G. Upper surface gray, brown, light green or purple with round spots.

It can vary from light brown to gray to greenish, with lighter or darker spots, and can manipulate its shading to blend better into its background. Prefers neritic waters of the continental shelf and usually found on soft bottoms. Denticles The skin is relatively smooth with small denticles. From Wikipedia, the free encyclopedia.

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Broad, diamond-shaped ray with a very short tail lacking a dorsal spine Ref. The tail has low dorsal and ventral fin folds and three to four dark crossbars. 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.

From Wikipedia, the free encyclopedia. Journal of Applied Ichthyology. This page was last edited on 22 Augustat Predators Potential predators include larger fishes and marine mammals. In the western Atlantic it occurs from Maryland to Brazil.

Smooth butterfly ray

Estimates of some properties based on models Preferred temperature Ref. The micrurra edges of the disk are concave. It is tolerant of a variety of salt content, from brackish river mouths to highly saline lagoons, as long as there is a muddy or sandy bottom to hunt small fish and invertebrates.

By using this site, you agree to the Terms gymnuda Use and Mictura Policy. Marine; brackish; demersal; depth range? The dorsal spine on the tail is absent; therefore, no stinging can occur to harm humans. Uses authors parameter CS1 maint: Smooth butterfly rays are found in the western and eastern parts of the Atlantic Ocean Maryland to Brazil and the Gulf of Mexico.

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Eight to nine rows of teeth function simultaneously. Entered by Froese, Rainer. It is frequently taken as bycatch but generally released alive.

Synonyms for Gymnura micrura include Pteroplatea micrura, Raja micrura and Gymnura micura. Collaborators Pictures Stamps, Coins Misc. This map was computer-generated and gymnjra not yet been reviewed. Feeds on fish and shrimps Ref. This species is caught in minor commercial fisheries and is occasionally used for food in French Guiana and possibly in other tropical localities. Common English names for this species include: They are most commonly found in neritic waters, but are also known to enter brackish estuaries and hypersaline lagoons.

Food Habits Feeds on fish and invertebrates, more specifically: These are broad diamond-shaped rays with a short tail that gymjura low dorsal and ventral fin folds. Danger to Humans This is a small ray that does not possess a spine.

Uses authors parameter Articles with ‘species’ microformats Taxonomy articles created by Polbot.