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Sand devil

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476: 524: 536: 599:). Because they inhabit deep-waters and because of their low commercial value the effort put into data collection is low, as with many species under these circumstances. Although their appearances are fragmented they still are classified under large broader spaces due to the lack of research done. As a result, ranges of deep-water shark species are often considered continuous across broad expanses despite records of occurrence, in many cases, being spatially fragmented. This 75: 216: 512: 500: 488: 31: 50: 635: 469:. The dorsal coloration varies from greenish or bluish gray to reddish brown, with a scattering of small, darker spots and sometimes irregular splotches; the underside is uniformly pale. This species reaches 1.3–1.5 m (4.3–4.9 ft) in length and at least 16 kg (35 lb) in weight. 441:
with smooth or slightly fringed margins. The wide mouth is positioned terminally on the head. The jaws contain 10 upper and 9 lower tooth rows on each side, with toothless gaps at the middle. Each tooth has a broad base and a single pointed cusp with smooth edges. There are five pairs of
626:, down to a depth of 90 m (300 ft). In winter and spring, it is found around the outer continental shelf at depths greater than 90 m (300 ft); individuals have been recorded as far as 140 km (87 mi) from land and 1,290 m (4,230 ft) deep. 289:-like appearance. There is a band of enlarged thorns running along the middle of its back. It is gray or brown in color, with scattered small dark spots. This species reaches 1.2–1.5 m (3.9–4.9 ft) in length. 706:
return. The variety of prey taken is greatest in fall and least in winter, and smaller sharks have a more varied diet than larger ones. In the northern Gulf of Mexico, the most important prey species are
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are infrequently eaten. This species feeds both during the day and at night. It tends to select prey approximately 50–60% as long as its mouth is wide; this size is consistent with what is predicted from
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lasts roughly 12 months, and birthing occurs between February and June at depths of 20–30 m (66–98 ft). The newborns measure 25–30 cm (9.8–11.8 in) in length. Males and females
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seasonally. In the summer, it moves towards the shore to depths of less than 35 m (115 ft), and many can be found in water only meters deep. During fall it can be found
763:). The relative importance of each differs across seasons (for example, squid are more important in winter), perhaps due to seasonal variation in their availability. A known 815:. Females reproduce no more than once every two years, perhaps longer. Litter size varies from four to 25 pups, and does not appear related to the size of the female. The 772: 449:
The pectoral fins are broad and angular with narrow rear tips; the front of the pectoral fin is separate from the head, forming a triangular lobe. The two
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have rounded bases and three horizontal ridges. There is a distinctive band of larger thorns running along the midline of the back, from the nape to the
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at around 93 and 86 cm (37 and 34 in) long respectively; the fact that females mature at a smaller size than males is unusual among sharks.
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Baremore, I.E.; Murie, D.J.; Carlson, J.K. (2008). "Prey selection by the Atlantic angel shark Squatina dumeril in the northeastern Gulf of Mexico".
716: 1912: 1104: 748: 355:. Lesueur based his account on an adult male 1.2 m (3.9 ft) long caught off the eastern United States, and named the species in honor of 1757: 433:. The skin folds along the sides of the head have smooth margins, without lobes. The large eyes are placed on top of the head and have prominent 852: 740: 1809: 1902: 811:
occurs in the spring; adult males have spines on the outer margins of their pectoral fins, which may help in gripping the female during
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Stelbrink, B.; von Rintelen, T.; Cliff, G.; Kriwet, J. (2010). "Molecular systematics and global phylogeography of angel sharks (genus
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formed. The rise of the Isthmus likely split the ancestral angel shark population, leading to their becoming separate species.
1835: 1016: 1775: 316:. The sand devil is not aggressive, but may attempt to bite if harassed or captured. Though not valued economically, it is 312:. Females have a multi-year reproductive cycle and give birth to 4–25 pups in spring or early summer, following a 12-month 277:
waters in summer and fall, and deep offshore waters in winter and spring. The sand devil's flattened body and enlarged
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The sand devil is a ray-like shark with a color pattern of many small dark spots on a gray-brown background.
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Though not normally aggressive towards humans, the sand devil can inflict serious wounds if provoked. Its
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workers when caught, and even out of the water it is capable of lunging upwards to bite. This shark is
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Sharks of the World: An Annotated and Illustrated Catalogue of Shark Species Known to Date
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are rarely eaten, perhaps because they are more active and thus likely to escape attacks.
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Lesueur, C.A. (1818). "Description of several new species of North American fishes".
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Pearse, A.S. (1950). "A new species of parasitic copepod from the angel shark".
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The sand devil has a flattened, moderately narrow body with greatly enlarged
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are similar in size and shape, and are positioned far back on the body. The
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Baremore, I. E. (2010). "Reproductive aspects of the Atlantic angel shark
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targeting other species. It is edible but seldom brought to market. The
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are a major secondary food source, particularly for smaller sharks.
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The Atlantic croaker is an important food source for the sand devil.
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Journal of the Academy of Natural Sciences of Philadelphia
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Journal of the Academy of Natural Sciences of Philadelphia
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Florida Museum of Natural History Ichthyology Department
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The diet of the sand devil consists mainly of small
1123:Baremore, I.E.; Murie, D.J.; Carlson, J.K. (2010). 1153: 1111: 603:shark is found over sandy or muddy bottoms on the 669:. However, some types of demersal fishes such as 1894: 1036: 1218: 905:10.2305/IUCN.UK.2019-1.RLTS.T197087A22515424.en 938: 853:International Union for Conservation of Nature 835:refers to its habit of snapping vigorously at 345:described the sand devil in an 1818 volume of 1331: 1317: 1011:. Oxford University Press. pp. 167–169. 925: 1178: 1103:: CS1 maint: DOI inactive as of July 2024 ( 1006: 879: 551:The sand devil is found in the northwestern 369:, has concluded that the sand devil and the 1214: 1212: 1210: 787:Like other angel sharks, the sand devil is 646:that spends much time buried in the bottom 546: 308:, with the unborn young nourished by their 1324: 1310: 1032: 1030: 1028: 214: 48: 29: 1293:Biological Profiles: Atlantic angel shark 1144: 903: 783:Sand devil embryo with external yolk sac. 333: 1207: 1061: 1002: 1000: 998: 996: 994: 992: 990: 988: 778: 633: 618:, the sand devil has been documented to 437:behind. The nostrils bear thin, pointed 253:Squatinidae, native to the northwestern 1913:Fauna of the Southeastern United States 1394: 1025: 855:(IUCN) presently rates this species as 1895: 919: 629: 1623: 1622: 1305: 1172: 985: 951:Molecular Phylogenetics and Evolution 826: 799:. Mature females have one functional 385:with other angel sharks found in the 702:to yield the most efficient rate of 1903:IUCN Red List least concern species 1129:in the northeastern Gulf of Mexico" 891:IUCN Red List of Threatened Species 13: 1284:(Atlantic Angel Shark, Sand Devil) 803:, on the left, and two functional 446:located on the sides of the head. 14: 1939: 1262: 457:is absent. The lower lobe of the 381:. The two of them in turn form a 1245:10.1111/j.1095-8649.2010.02608.x 534: 522: 510: 498: 486: 474: 73: 1062:Driggers, Williams B.. (2018). 265:, and possibly in parts of the 1923:Fish of the Dominican Republic 1055: 650:. Its diet consists mainly of 461:is larger than the upper. The 420: 1: 862: 357:André Marie Constant Duméril 257:. It occurs off the eastern 7: 1181:The Journal of Parasitology 1009:The Sharks of North America 971:10.1016/j.ympev.2009.07.029 413:, around the time that the 10: 1944: 1162:Bulletin of Marine Science 273:shark is found in shallow 1631: 1385: 1341: 1037:Compagno, L.J.V. (1984). 767:of the sand devil is the 393:estimation has timed the 343:Charles Alexandre Lesueur 300:, which are captured via 222: 213: 195: 188: 70:Scientific classification 68: 46: 37: 28: 23: 547:Distribution and habitat 223:Range of the sand devil 1557:Smoothback angelshark ( 1521:Indonesian angelshark ( 1451:Australian angelshark ( 1225:Journal of Fish Biology 1085:(inactive 2024-07-15). 713:Micropogonias undulatus 700:optimal foraging theory 1928:Fish described in 1818 1600:Ocellated angelshark ( 1575:Squatina pseudocellata 1503:Disparate angelshark ( 1433:Argentine angelshark ( 934:(2): 222–235, 359–368. 898:: e.T197087A22515424. 784: 639: 334:Taxonomy and phylogeny 1918:Fish of the Caribbean 1862:Paleobiology Database 1512:Japanese angelshark ( 1426:Squatina albipunctata 1083:10.7755/FB.116.3-4.11 1007:Castro, J.H. (2011). 880:Baremore, I. (2019). 782: 757:longfin inshore squid 642:The sand devil is an 637: 1573:Western angelshark ( 1539:Clouded angelshark ( 1530:Mexican angelshark ( 1494:Angular angelshark ( 1467:Pacific angelshark ( 1442:Chilean angelshark ( 1424:Eastern angelshark ( 1415:African angelshark ( 1406:Sawback angelshark ( 849:commercial fisheries 791:with the developing 729:Leiostomus xanthurus 585:disparate angelshark 235:Atlantic angel shark 1602:S. tergocellatoides 1591:Ornate angelshark ( 1548:Hidden angelshark ( 1485:Taiwan angelshark ( 1237:2010JFBio..76.1682B 963:2010MolPE..54..395S 841:caught incidentally 773:Eudactylina spinula 761:Doryteuthis pealeii 721:Stenotomus caprinus 630:Biology and ecology 371:Pacific angel shark 365:analysis, based on 318:caught incidentally 40:Conservation status 827:Human interactions 785: 640: 593:Mexican angelshark 304:. This species is 261:, in the northern 1890: 1889: 1849:Open Tree of Life 1625:Taxon identifiers 1616: 1615: 1612: 1611: 1018:978-0-19-539294-4 605:continental shelf 415:Isthmus of Panama 367:mitochondrial DNA 352:Squatina squatina 227: 226: 63: 1935: 1883: 1882: 1870: 1869: 1857: 1856: 1844: 1843: 1831: 1830: 1818: 1817: 1805: 1804: 1792: 1791: 1779: 1778: 1766: 1765: 1753: 1752: 1740: 1739: 1727: 1726: 1714: 1713: 1701: 1700: 1688: 1687: 1675: 1674: 1665: 1664: 1662:Squatina_dumeril 1652: 1651: 1650: 1633:Squatina dumeril 1620: 1619: 1392: 1391: 1326: 1319: 1312: 1303: 1302: 1282:Squatina dumeril 1270:Squatina dumeril 1257: 1256: 1231:(7): 1682–1695. 1221:Squatina dumeril 1216: 1205: 1204: 1176: 1170: 1169: 1157: 1151: 1150: 1148: 1127:Squatina dumeril 1120: 1109: 1108: 1102: 1094: 1077:(3–4): 337–347. 1071:Fishery Bulletin 1068: 1059: 1053: 1052: 1034: 1023: 1022: 1004: 983: 982: 942: 936: 935: 923: 917: 916: 914: 912: 907: 884:Squatina dumeril 877: 817:gestation period 709:Atlantic croaker 614:Off the eastern 538: 526: 514: 502: 490: 478: 463:dermal denticles 314:gestation period 239:Squatina dumeril 218: 201: 199:Squatina dumeril 78: 77: 57: 52: 51: 33: 21: 20: 16:Species of shark 1943: 1942: 1938: 1937: 1936: 1934: 1933: 1932: 1893: 1892: 1891: 1886: 1878: 1873: 1865: 1860: 1852: 1847: 1839: 1834: 1826: 1823:Observation.org 1821: 1813: 1808: 1800: 1795: 1787: 1782: 1774: 1769: 1761: 1756: 1748: 1743: 1735: 1730: 1722: 1717: 1709: 1704: 1696: 1691: 1683: 1678: 1670: 1668: 1660: 1655: 1646: 1645: 1640: 1627: 1617: 1608: 1593:S. tergocellata 1381: 1337: 1330: 1265: 1260: 1217: 1208: 1193:10.2307/3273282 1177: 1173: 1158: 1154: 1146:10.3354/ab00214 1133:Aquatic Biology 1121: 1112: 1096: 1095: 1066: 1060: 1056: 1049: 1035: 1026: 1019: 1005: 986: 943: 939: 924: 920: 910: 908: 878: 869: 865: 829: 821:sexually mature 733:Gulf butterfish 717:longspine porgy 657:fishes such as 644:ambush predator 632: 601:bottom-dwelling 549: 542: 539: 530: 527: 518: 515: 506: 503: 494: 491: 482: 479: 467:caudal peduncle 423: 391:Molecular clock 336: 271:bottom-dwelling 209: 203: 197: 184: 181:S. dumeril 72: 64: 53: 49: 42: 17: 12: 11: 5: 1941: 1931: 1930: 1925: 1920: 1915: 1910: 1905: 1888: 1887: 1885: 1884: 1871: 1858: 1845: 1832: 1819: 1806: 1793: 1780: 1767: 1754: 1741: 1728: 1715: 1702: 1689: 1676: 1666: 1653: 1637: 1635: 1629: 1628: 1614: 1613: 1610: 1609: 1607: 1606: 1597: 1588: 1579: 1570: 1563: 1554: 1545: 1536: 1527: 1518: 1509: 1505:S. heteroptera 1500: 1491: 1482: 1473: 1469:S. californica 1464: 1457: 1448: 1439: 1430: 1421: 1412: 1402: 1400: 1389: 1383: 1382: 1380: 1379: 1373: 1371:Elasmobranchii 1367: 1365:Chondrichthyes 1361: 1355: 1349: 1342: 1339: 1338: 1329: 1328: 1321: 1314: 1306: 1300: 1299: 1290: 1278: 1264: 1263:External links 1261: 1259: 1258: 1206: 1187:(6): 515–516. 1171: 1152: 1139:(2): 125–136. 1110: 1054: 1047: 1024: 1017: 984: 957:(2): 395–404. 937: 918: 866: 864: 861: 828: 825: 753:Upeneus parvus 749:dwarf goatfish 745:Mullus auratus 737:Peprilus burti 631: 628: 589:S. heteroptera 565:Gulf of Mexico 553:Atlantic Ocean 548: 545: 544: 543: 540: 533: 531: 528: 521: 519: 516: 509: 507: 504: 497: 495: 492: 485: 483: 480: 473: 422: 419: 403:S. californica 379:sister species 375:S. californica 335: 332: 263:Gulf of Mexico 255:Atlantic Ocean 225: 224: 220: 219: 211: 210: 204: 193: 192: 186: 185: 178: 176: 172: 171: 164: 160: 159: 154: 150: 149: 147:Squatiniformes 144: 140: 139: 134: 130: 129: 127:Elasmobranchii 124: 120: 119: 117:Chondrichthyes 114: 110: 109: 104: 100: 99: 94: 90: 89: 84: 80: 79: 66: 65: 47: 44: 43: 38: 35: 34: 26: 25: 15: 9: 6: 4: 3: 2: 1940: 1929: 1926: 1924: 1921: 1919: 1916: 1914: 1911: 1909: 1906: 1904: 1901: 1900: 1898: 1881: 1876: 1872: 1868: 1863: 1859: 1855: 1850: 1846: 1842: 1837: 1833: 1829: 1824: 1820: 1816: 1811: 1807: 1803: 1798: 1794: 1790: 1785: 1781: 1777: 1772: 1768: 1764: 1759: 1755: 1751: 1746: 1742: 1738: 1733: 1729: 1725: 1720: 1716: 1712: 1707: 1703: 1699: 1694: 1690: 1686: 1681: 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360: 358: 354: 353: 348: 344: 341: 331: 329: 326: 323: 319: 315: 311: 307: 303: 302:ambush attack 299: 295: 290: 288: 284: 280: 276: 272: 268: 267:Caribbean Sea 264: 260: 259:United States 256: 252: 248: 244: 240: 236: 232: 221: 217: 212: 207: 202: 200: 194: 191: 190:Binomial name 187: 183: 182: 177: 174: 173: 170: 169: 165: 162: 161: 158: 155: 152: 151: 148: 145: 142: 141: 138: 137:Selachimorpha 135: 133:Subdivision: 132: 131: 128: 125: 122: 121: 118: 115: 112: 111: 108: 105: 102: 101: 98: 95: 92: 91: 88: 85: 82: 81: 76: 71: 67: 61: 56: 55:Least Concern 45: 41: 36: 32: 27: 22: 19: 1632: 1601: 1592: 1583: 1582:Angelshark ( 1574: 1566: 1558: 1549: 1540: 1531: 1522: 1513: 1504: 1495: 1486: 1477: 1476:Sand devil ( 1475: 1468: 1461:S. caillieti 1460: 1453:S. australis 1452: 1443: 1435:S. argentina 1434: 1425: 1416: 1407: 1395: 1375:Subdivision 1281: 1272:, Sand devil 1269: 1228: 1224: 1220: 1184: 1180: 1174: 1165: 1161: 1155: 1136: 1132: 1126: 1099:cite journal 1074: 1070: 1057: 1038: 1008: 954: 950: 946: 940: 931: 927: 921: 909:. Retrieved 895: 889: 883: 847:operated by 830: 786: 771: 760: 752: 744: 741:red goatfish 736: 728: 725:spot croaker 720: 712: 667:butterfishes 641: 613: 596: 588: 561:Florida Keys 550: 448: 424: 406: 402: 398: 374: 363:Phylogenetic 361: 350: 346: 337: 325:bottom trawl 291: 238: 234: 230: 228: 198: 196: 180: 179: 167: 18: 1908:Squatinidae 1797:NatureServe 1745:iNaturalist 1584:S. squatina 1567:S. punctata 1541:S. nebulosa 1532:S. mexicana 1514:S. japonica 1417:S. africana 1408:S. aculeata 1387:Squatinidae 911:18 November 833:common name 597:S. mexicana 541:Lower teeth 451:dorsal fins 431:pelvic fins 421:Description 296:fishes and 283:pelvic fins 157:Squatinidae 24:Sand devil 1897:Categories 1559:S. oculata 1550:S. occulta 1523:S. legnota 1487:S. formosa 1478:S. dumeril 1359:Vertebrata 1357:Subphylum 1334:angelshark 863:References 813:copulation 789:viviparous 663:goatfishes 459:caudal fin 444:gill slits 399:S. dumeril 395:divergence 340:naturalist 322:commercial 306:viviparous 285:give it a 247:angelshark 231:sand devil 123:Subclass: 1444:S. armata 1369:Subclass 581:Venezuela 577:Nicaragua 493:Underside 435:spiracles 328:fisheries 310:yolk sacs 175:Species: 93:Kingdom: 87:Eukaryota 1802:2.103874 1763:10836012 1719:FishBase 1711:46560324 1669:BioLib: 1642:Wikidata 1397:Squatina 1377:Selachii 1353:Chordata 1347:Animalia 1345:Kingdom 1276:FishBase 1253:20557624 1091:54807345 979:19647086 947:Squatina 805:uteruses 765:parasite 695:bivalves 659:croakers 652:demersal 648:sediment 455:anal fin 427:pectoral 387:Americas 279:pectoral 168:Squatina 153:Family: 107:Chordata 103:Phylum: 97:Animalia 83:Domain: 60:IUCN 3.1 1737:2417800 1648:Q756873 1351:Phylum 1336:species 1332:Extant 1233:Bibcode 1201:3273282 959:Bibcode 837:fishery 793:embryos 769:copepod 755:), and 655:teleost 624:inshore 620:migrate 573:Jamaica 559:to the 439:barbels 338:French 294:teleost 275:inshore 269:. 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Index


Conservation status
Least Concern
IUCN 3.1
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Chondrichthyes
Elasmobranchii
Selachimorpha
Squatiniformes
Squatinidae
Squatina
Binomial name
Lesueur

species
angelshark
family
Atlantic Ocean
United States
Gulf of Mexico
Caribbean Sea
bottom-dwelling
inshore
pectoral
pelvic fins
ray

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