Knowledge (XXG)

Bluntsnout smooth-head

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100: 42: 75: 693: 56: 517: 582: 720: 491: 530: 338: 605: 383: 286:. It possess 27-30 dorsal fin rays, 28-29 anal fin rays, 7 pectoral fin rays, 6 pelvic fin rays, and 55 caudal rays. It has 48-49 vertebrae. 312:
have a distinctive reddish-violet hue in fresh specimens under white light, and are underlain with a greenish-blue reflector that lacks
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is a dark-coloured fish that is scaleless, aside from a series of ~60 small, easily missed ring-shaped scales along the
439: 426: 587: 301:), thought to serve as a buoyancy aid, alongside scale loss and poor skeleton calcification. This species lacks a 293:(>500) and are more visible in preserved specimens where skin pigmentation has degraded over time. The skin of 725: 394: 211: 444: 194: 636: 597: 317: 64: 561: 297:
possess an unusual system of compartmented sub-dermal spaces filled with a dilute fluid (possibly
151: 94: 694:"On the integument and photophores of the alepocephalid fishes Xenodermichthys and Photostylus" 522: 267:, at depths of 100 to 2,600 m. This species grows to a length of 31 centimetres (12 in) 618: 548: 452: 379: 431: 623: 268: 321: 247: 171: 161: 320:, the arrangement and structure of the photophores, as well as difficulties in observing 324:
in live individuals, means that the purpose of these photophores is poorly understood.
252: 141: 41: 714: 543: 353: 260: 84: 79: 457: 302: 283: 256: 574: 556: 504: 417: 17: 316:. While the greater size of the ventral photophores may indicate their use in 290: 264: 470: 242: 111: 478: 411: 366: 131: 665:"Notes on Xenodermichthys copei (Gill, 1884) (Pisces: Alepocephalidae)" 496: 483: 313: 509: 121: 388: 698:
Journal of the Marine Biological Association of the United Kingdom
298: 55: 610: 378:, (William Collins Publishers Ltd, Auckland, New Zealand 1982) 392: 401: 376:Collins Guide to the Sea Fishes of New Zealand 8: 389: 289:The skin is studded with numerous nodular 73: 54: 40: 31: 663:Carvalho, F. P.; Almeida, A. J. (1988). 650: 339:Integrated Taxonomic Information System 7: 687: 685: 658: 656: 654: 598:ab9fe8c0-4b6e-4227-a1bb-0bde8d9364d4 721:IUCN Red List least concern species 25: 692:Best, A. C. G.; Bone, Q. (1976). 374:Tony Ayling & Geoffrey Cox, 98: 1: 231:Cope's bluntsnout smooth-head 747: 200: 193: 95:Scientific classification 93: 71: 62: 53: 48: 39: 34: 370:. February 2012 version. 356:; Pauly, Daniel (eds.). 335:"Xenodermichthys copei" 35:Bluntsnout smooth-head 731:Fish described in 1884 223:bluntsnout smooth-head 432:Xenodermichthys_copei 403:Xenodermichthys copei 360:Xenodermichthys copei 280:Xenodermichthys copei 239:Xenodermichthys copei 204:Xenodermichthys copei 318:counterillumination 308:The photophores of 65:Conservation status 152:Alepocephaliformes 647: 646: 619:Open Tree of Life 395:Taxon identifiers 384:978-0-00-216987-5 219: 218: 88: 16:(Redirected from 738: 706: 705: 689: 680: 679: 669: 660: 640: 639: 627: 626: 614: 613: 601: 600: 591: 590: 578: 577: 575:NBNSYS0000188315 565: 564: 552: 551: 539: 538: 526: 525: 513: 512: 500: 499: 487: 486: 474: 473: 461: 460: 448: 447: 435: 434: 422: 421: 420: 390: 371: 349: 347: 345: 263:oceans, and the 235:Atlantic gymnast 206: 103: 102: 82: 77: 76: 58: 44: 32: 21: 746: 745: 741: 740: 739: 737: 736: 735: 726:Alepocephalidae 711: 710: 709: 691: 690: 683: 667: 662: 661: 652: 648: 643: 635: 630: 622: 617: 609: 604: 596: 594: 586: 581: 573: 568: 560: 555: 547: 542: 534: 529: 521: 516: 508: 503: 495: 490: 482: 477: 469: 464: 456: 451: 443: 438: 430: 425: 416: 415: 410: 397: 352: 343: 341: 333: 330: 322:bioluminescence 310:Xenodermichthys 295:Xenodermichthys 277: 251:, found in the 248:Xenodermichthys 227:black slickhead 215: 208: 202: 189: 173:Xenodermichthys 162:Alepocephalidae 97: 89: 78: 74: 67: 49:Fresh specimen 28: 27:Species of fish 23: 22: 18:Black slickhead 15: 12: 11: 5: 744: 742: 734: 733: 728: 723: 713: 712: 708: 707: 681: 649: 645: 644: 642: 641: 628: 615: 602: 592: 579: 566: 553: 540: 527: 514: 501: 488: 475: 462: 449: 436: 423: 407: 405: 399: 398: 393: 387: 386: 372: 354:Froese, Rainer 350: 329: 326: 276: 273: 217: 216: 209: 198: 197: 191: 190: 183: 181: 177: 176: 169: 165: 164: 159: 155: 154: 149: 145: 144: 142:Actinopterygii 139: 135: 134: 129: 125: 124: 119: 115: 114: 109: 105: 104: 91: 90: 72: 69: 68: 63: 60: 59: 51: 50: 46: 45: 37: 36: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 743: 732: 729: 727: 724: 722: 719: 718: 716: 704:(1): 227–236. 703: 699: 695: 688: 686: 682: 678:(2): 161–166. 677: 673: 666: 659: 657: 655: 651: 638: 633: 629: 625: 620: 616: 612: 607: 603: 599: 593: 589: 584: 580: 576: 571: 567: 563: 558: 554: 550: 545: 541: 537: 532: 528: 524: 519: 515: 511: 506: 502: 498: 493: 489: 485: 480: 476: 472: 467: 463: 459: 454: 450: 446: 441: 437: 433: 428: 424: 419: 413: 409: 408: 406: 404: 400: 396: 391: 385: 381: 377: 373: 369: 368: 363: 361: 355: 351: 340: 336: 332: 331: 327: 325: 323: 319: 315: 311: 306: 304: 300: 296: 292: 287: 285: 281: 274: 272: 270: 266: 262: 258: 254: 250: 249: 245:of the genus 244: 240: 236: 232: 228: 224: 213: 207: 205: 199: 196: 195:Binomial name 192: 188: 187: 186:X. copei 182: 179: 178: 175: 174: 170: 167: 166: 163: 160: 157: 156: 153: 150: 147: 146: 143: 140: 137: 136: 133: 130: 127: 126: 123: 120: 117: 116: 113: 110: 107: 106: 101: 96: 92: 86: 81: 80:Least Concern 70: 66: 61: 57: 52: 47: 43: 38: 33: 30: 19: 701: 697: 675: 671: 402: 375: 365: 359: 342:. Retrieved 309: 307: 303:swim bladder 294: 288: 284:lateral line 279: 278: 246: 238: 234: 230: 226: 222: 220: 203: 201: 185: 184: 172: 29: 557:NatureServe 505:iNaturalist 291:photophores 275:Description 715:Categories 328:References 265:Tasman Sea 212:T. N. Gill 243:slickhead 180:Species: 118:Kingdom: 112:Eukaryota 562:2.931902 549:15149335 523:11121169 479:FishBase 418:Q2312937 412:Wikidata 367:FishBase 344:18 April 253:Atlantic 158:Family: 132:Chordata 128:Phylum: 122:Animalia 108:Domain: 85:IUCN 3.1 497:2410638 314:guanine 261:Pacific 241:, is a 214:, 1884) 168:Genus: 148:Order: 138:Class: 83: ( 672:Cybium 637:126714 624:410272 611:126714 595:NZOR: 588:492051 536:162340 510:317453 471:124580 382:  259:, and 257:Indian 668:(PDF) 632:WoRMS 518:IRMNG 466:EUNIS 458:7G8GP 445:52883 299:lymph 233:, or 606:OBIS 583:NCBI 544:IUCN 531:ITIS 492:GBIF 484:5064 440:BOLD 380:ISBN 346:2006 221:The 570:NBN 453:CoL 427:AFD 717:: 702:56 700:. 696:. 684:^ 676:12 674:. 670:. 653:^ 634:: 621:: 608:: 585:: 572:: 559:: 546:: 533:: 520:: 507:: 494:: 481:: 468:: 455:: 442:: 429:: 414:: 364:. 337:. 305:. 271:. 269:TL 255:, 237:, 229:, 225:, 362:" 358:" 348:. 210:( 87:) 20:)

Index

Black slickhead


Conservation status
Least Concern
IUCN 3.1
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Actinopterygii
Alepocephaliformes
Alepocephalidae
Xenodermichthys
Binomial name
T. N. Gill
slickhead
Xenodermichthys
Atlantic
Indian
Pacific
Tasman Sea
TL
lateral line
photophores
lymph
swim bladder
guanine
counterillumination

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