Halosauropsis macrochir Gunther 1878

• Main Authors: Bañón, Rafael, Arronte, Juan Carlos, Armesto, Ángeles, Barros-García, David, Carlos, Alejandro De
• Format: Text
• Language: unknown
• Published: Zenodo 2016
• Subjects: Biodiversity; Taxonomy; Animalia; Chordata; Actinopterygii; Notacanthiformes; Halosauridae; Halosauropsis; Halosauropsis macrochir; Southern Ocean; Canada; Pacific; Indian; New Zealand; Mid-Atlantic Ridge; Barros; Bergstad; North Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.6066559; https://zenodo.org/record/6066559

Halosauropsis macrochir (Günther, 1878) Fig. 2. Halosaurus macrochir (Günther, 1878): (251) 23. Off Strait of Gilbraltar, Challenger station 5, depth 1,090 fathoms. Lectotype: BMNH 1887.12.7.237. McDowell 1973: 74–87 (description, key); Sulak 1977: 11–12 (key); Paulin & Moreland 1979: 268–270 (description); Sulak 1986a: 593–598 (description, key); Machida et al . 1988 (description); Gon 1990 (description); Smith 2003 (key); Bergstad et al . 2012 (age, growth). Material examined . MHNUSC 25009- 1, 536 mm TL, 7th August 2011, Galicia Bank, 42º41.771'N— 11º33.647'W, 1,477m depth; MHNUSC 25009- 2, 528 mm TL, 8th August 2011, Galicia Bank; 42º43.536'N— 11º28.128, 1,751 m depth; MHNUSC 25009- 3, 604 mm TL, 8th August 2011, Galicia Bank; 42º43.536'N— 11º28.128; 1,751 m depth; MHNUSC 25009- 4, 585 mm TL, 8th August, Galicia Bank; 42º43.536'N— 11º28.128, 1,751 m depth; MHNUSC 25009- 5, 566 mm TL, 29th July 2011, Galicia Bank; 42º56.172'N— 11º 55.816’W, 1,545 m depth; MHNUSC 25009- 6, 626 mm TL, 29th July 2011, Galicia Bank, 42º56.172'N — 11º 55.816’W, 1,545 m depth; MHNUSC 25009- 7, 579 mm TL, 29th July 2011, Galicia Bank, 42º56.172'N—11º 55.816’W; 1,545 m depth. Description. Body shape eel-like, moderately compressed, elongated and attenuated to the caudal peduncle; top of snout and head scaleless, opercle scaled; head depressed anteriorly, the interorbital length is contained 4.8– 6.2 times in the head length; dorsal origin slightly posterior to pelvic origin; first dorsal ray segmented and as long as 2nd dorsal ray; pectoral fin long and narrow, almost reaching to the base of the dorsal fin and contained 1.2–1.3 times in the head length; a deeply pigmented sheath of the lateral line composed by enlarged scales; pyloric caeca long, creamy white in colour, arranged in a single row at the base. The main morphometric and meristic characteristics are presented in Table 3. FIGURE. 2 Halosauropsis macrochir from the northeastern Atlantic Ocean, MHNUSC 25009- 5, 566 mm total length. Habitat and distribution . Benthopelagic on the lower slope, rise and seamounts, between 1,100 and 3,300 m depth. Cosmopolitan: eastern Atlantic from Ireland to Mauritania and South Africa; central Atlantic, along the Mid-Atlantic Ridge; western Atlantic, including Canada to 25°N, and off southern Brazil; western Pacific, including Australia, New Zealand and Japan; and western Indian Ocean (Sulak 1986a; Bergstad et al . 2012). : Published as part of Bañón, Rafael, Arronte, Juan Carlos, Armesto, Ángeles, Barros-García, David & Carlos, Alejandro De, 2016, Halosaur fishes (Notacanthiformes: Halosauridae) from Atlantic Spanish waters according to integrative taxonomy, pp. 471-490 in Zootaxa 4184 (3) on pages 475-477, DOI: 10.11646/zootaxa.4184.3.3, http://zenodo.org/record/165028 : {"references": ["McDowell, B. C. (1973) Family Halosauridae. In: Cohen, D. M. (Ed.), Fishes of the Western North Atlantic. Memoirs of the Sears Foundation of Marine Research, New Haven, pp. 32 - 123.", "Sulak, K. J. (1977) Aldrovandia oleosa, a new species of the Halosauridae, with observations on several other species of the family. Copeia, 1, 11 - 20.", "Paulin, C. D. & Moreland, J. M. (1979) Halosauridae of the south west Pacific (Pisces: Teleostei: Notacanthiformes). New Zealand Journal of Zoology, 6, 267 - 271. http: // dx. doi. org / 10.1080 / 03014223.1979.10428363", "Sulak, K. J. (1986 a) Halosauridae. In: Whitehead, P. J. P. Bauchot, M. - L. Hureau, J. - C. Nielsen, J. & Tortonese, E. (Eds.), Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, Paris, pp. 593 - 598.", "Machida, Y., Okamura, O. & Ohta, S. (1988) Notes on Halosauropsis macrochir (Halosauridae: Notacanthiformes) from Japan. Japanese Journal of Ichthyology, 35, 78 - 82. http: // doi. org / 10.11369 / jji 1950.35.78", "Gon, O. (1990) Halosauridae. In: Gon, O. & Heemstra, P. C. (Eds.), Fishes of the Southern Ocean. J. L. B. Smith Institute of Ichthyology, South Africa, Grahamstown, pp. 98 - 99.", "Smith, D. G. (2003) Halosauridae. In: Carpenter, K. E. (Ed.), FAO species identification guide for fishery purposes. The living marine resources of the Western Central Atlantic. Bony fishes part 1 (Acipenseridae to Grammatidae). FAO, Rome, pp. 685 - 687.", "Bergstad, O. A., Clark, L., Hansen, H. O. & Cousins, N. (2012) Distribution, population biology, and trophic ecology of the deepwater demersal fish Halosauropsis macrochir (Pisces: Halosauridae) on the Mid-Atlantic Ridge. PLoS ONE 7, e 31493. http: // dx. doi. org / 10.1371 / journal. pone. 0031493"]}