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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The great hammerhead specializes in feeding on butterfly rays and is their main predator in some areas. Tail with low dorsal and ventral finfolds and jicrura – 4 dark crossbars Ref. Feeds on fish and shrimps Ref. Journal of Fish Biology. Biology of Sharks and Their Relatives. The ventral surface is white. The smooth butterfly ray prefers neritic waters of the continental shelf and is usually found on soft bottoms.

WoRMS – World Register of Marine Species – Gymnura micrura (Bloch & Schneider, )

Gymnuridae Fowler In the western Atlantic it occurs from Maryland to Brazil. They have a very short, thread-like, tail. Butterfly rays Smooth butterfly ray G. The foraging strategy that these rays use is dependent on the abundance of prey in their environments. This map was computer-generated and has not yet been reviewed. Estimates of some properties based on models Preferred temperature Ref.

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The front edges of the disk are concave. They are hunted by larger predators, such as sharks. Journal of Applied Ichthyology. The tail has three to four dark crossbars. The smooth butterfly ray Gymnura micrura is a species of cartilaginous fish in the Gymnuridae family. Front edges of disk concave. Predators Potential predators include larger fishes and marine mammals. Uses authors parameter Articles with ‘species’ microformats Taxonomy articles created by Polbot.

Smooth butterfly rays are found in the western and eastern parts of the Atlantic Ocean Maryland to Brazil and the Gulf of Mexico.

Butterfly ray

Common English names for this ggmnura include: Moderate to high vulnerability 50 of These rays invest a large amount of energy into reproduction and only give birth to a few offspring; however, they give birth on a yearly basis. 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.

Life cycle and mating behavior Maturity Reproduction Spawning Eggs Fecundity Larvae Exhibit 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 specialised structures Ref. The genus Gymnura of the currently accepted scientific name is derived from the Greek word gymnos meaning naked.

Bloch and Schneider first described the smooth butterfly ray in Denticles The skin is relatively smooth with small denticles.

Females of the northwestern Atlantic population pup when 25 inches 65 cm wide, and probably at smaller lengths.

They are most commonly found in neritic waters, but are also known to enter brackish estuaries and hypersaline lagoons. Uses editors parameter Articles with ‘species’ microformats.

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Gymnura micrura

Retrieved 23 February The tail has low dorsal and ventral fin folds and three to four dark crossbars. Smooth butterfly ray Conservation status. Undulation verses oscillation” PDF. Bymnura butterfly ray G.

There are currently 10 species in this genus others are considered synonyms: Marine; brackish; demersal; depth range?

Size, Age, and Growth Gymnuta maximum disc width of the species is reported to be 3 to 4 feet 0. Exhibit ovoviparity aplacental gymnuawith 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 Ref.

From Wikipedia, the free encyclopedia. The ventral side is lightly colored while the dorsal side is variable in color. Dentition The upper jaw generally has 60 to teeth and lower jaw generally has 52 to teeth, with each tooth having one short sharp conical cusp on a somewhat swollen base. Gymnura is derived from Greek roots and translates into ‘naked tail’.

Butterfly ray – Wikipedia

The species is currently classified as data deficient by the IUCNas not information about population dynamics is known to assess its conservation status. Entered by Froese, Rainer. Danger to Humans This gymnyra a small ray that does not possess a spine. Modified by Capuli, Estelita Emily.