Spiny butterfly ray (Gymnura altavela) it’s a species of large Atlantic butterfly ray that has a spine at the base of its tail. Free shipping. Upper … Intricate patterns of tiny lines and swirls range from light to dark. It also has small dark spots on it's top. They have an annual reproductive cycle with a gestation period of 4 to 9 months. The biggest size ever recorded was 7ft 3 as its disk width. They reach maximum size of 220cmin width. In the eastern Atlantic, it is found from Portugal to Ambriz, Angola, including the Mediterranean Sea, the Black Sea, and the Madeira and Canary Islands. The striped panray ( Zanobatus schoenleinii) is a species of ray in the family Zanobatidae that is native to the warm East Atlantic Ocean, ranging from Morocco, through the Gulf of Guinea to Angola. In the western Atlantic, males mature at around 102 cm (40 in) across and females at 155 cm (61 in). Spiny butterfly ray - Gymnura altavela Diagnostic characters: Medium to large-sized stingrays (maximum disc width over 2 m).Body strongly depressed, with head, trunk, and broadly expanded pectoral fins forming rhomboid disc. [1] The maximum published weight is 60 kg (130 lb). Capapé C, Xaouli J, Tomasini J-A, Bouchereau J-L (1992) Reproductive biology of the spiny butterfly ray, Gymnura altavela (Linnaeus, 1758) (Pisces: Gymnuridae) from off the Tunisian coast. The spiny butterfly ray has a very broad, lozenge-shaped pectoral fin disk much wider than its length, with concave front margins and abruptly rounded corners. The spiny butterfly ray, Gymnura altavela, is an elasmobranch considered critically endangered in the Mediterranean by the IUCN.Despite this, our association has located certain areas of small size on the Spanish coast where these animals can be located with some ease. Native American Sterling Silver Navajo Spiny Oyster Butterfly Ring Size 7.5. Size: up to 4,5 m long. Reaction to divers: If buried in the sand, the spiny butterfly ray will often remain motionless while divers pass. Most specimens have measured 40cm to 140cm. Pteroplatea valenciennii Duméril, 1865 This stuns the prey before it is helplessly devoured. 6676). Tail short with low dorsal and ventral fin folds and three to four dark crossbars. Many body parts are visible including the wings, abdomen, legs, and eyes. Intricate patterns of tiny lines and swirls range from light to dark. The spiny butterfly ray (Gymnura altavela)The spiny butterfly ray Gymnura altavela is one of 12 butterfly rays species known worldwide (1,2).This species has a broad distribution range and is present along the eastern and western coast of the Atlantic Ocean, including the Mediterranean Sea, the Black Sea and the Madeira … The Spiny Butterfly Ray, (Gymnura altavela) also known as the Giant butterfly ray is native to the coasts of the Atlantic Ocean. It is assessed as Critically Endangered in the southwest Atlantic, where it is taken by multispecies trawls, beach-seines, and recreational fishers. Off Tunisia, they feed on crustaceans, teleosts, cephalopods, lamellibranchs, and gastropods, in descending order of importance. the spiny butterfly ray (Gymnura altavela Linnaeus, 1758). There are one or more serrated spines at the base of the tail. The spiny butterfly ray (Gymnura altavela)The spiny butterfly ray Gymnura altavela is one of 12 butterfly rays species known worldwide (1,2).This species has a broad distribution range and is present along the eastern and western coast of the Atlantic Ocean, including the Mediterranean Sea, the Black Sea and the Madeira and Canary Islands (1). This species is also known by the following name(s): Spiny Butterfly Ray. The snout is short and blunt. The mean disc width (W D) of females and males was 576.7 mm (range = 190–920 mm) and 416.3 mm (230–550 mm), respectively.Sexual dimorphism in size was seen, with the maximum size of males being only 60% of the maximum female size. Pteroplatea vaillantii Rochebrune, 1880 The tail is short and slender, measuring a quarter the disk width, with upper and lower fin folds. In both jaws there are 10–12 functional tooth rows with each dental band occupying 70% the width of the jaw. Free shipping. [1][7] In the eastern Atlantic, males mature at around 78 cm (31 in) across and females at 108 cm (43 in). The Giant Butterfly Ray (Gymnura altavela) is a species of concern belonging in the species group "fishes" and found in the following area(s): Africa, Asia, Central America, Europe, Middle East, North America (including United States), South America. The reproductive biology and diet of the longtail butterfly ray Gymnura poecilura is described based on 630 specimens (N = 377 females and 253 males). Journal of the Marine Biological Association of the United Kingdom 83 (4): 871–872. It is listed as a game fish in some regions. Author: (Linnaeus, 1758) Gymnura altavela (Linnaeus, 1758) Diagnosis: snout obtuse, forming an angle of about 135°; disc about twice as broad as long; tail about 1/4 of disc length, with one or several serrated spines near base. (1992) obtained an L 50 of 68 cm, slightly smaller than in this study. [6][7], Potential predators of spiny butterfly rays include larger fish such as the great hammerhead (Sphyrna mokarran), and marine mammals. In the eastern Atlantic, males mature at around 78 cm (31 in) across and females at 108 cm (43 in). 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. Two species are recognized in the western Atlantic: the Spiny Butterfly ray, Gymnura altavela (Linnaeus 1758), and the Smooth Butterfly Ray, G. micrura (Bloch & Schneider 1801). Spiny butterfly ray, Gymnura altavela, has been con- sidered a strongly threatened species (Vooren et al. https://allspecies.fandom.com/wiki/Spiny_Butterfly_Ray?oldid=9854, Fish, squid, crustaceans, small sharks, gastropods. 802, 3038, Sfax, Tunisie; 2Station … SMOOTH BUTTERFLY RAY Gymnura micrura Identification Disc broad, much wider than long ('butterfly shaped'). place the butterfly rays in the subfamily Gymnurinae of the family Dasyatidae, but this article follows FishBase and ITIS in treating them as a family. Coloration brownish, gray or green with many small dark spots/blotches dorsally and white ventrally. Functional ovary ( the northeastern Mediterranean ) L 50 of 68 cm, slightly smaller than this. Another species that shares the western Atlantic Ocean, the spines will painful! 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