Ascarophis sebastodis Olsen, 1952

Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, Zootaxa 4185 (1), pp. 1-274: 90

publication ID

http://doi.org/10.11646/zootaxa.4185.1.1

publication LSID

lsid:zoobank.org:pub:0D054EDD-9CDC-4D16-A8B2-F1EBBDAD6E09

persistent identifier

http://treatment.plazi.org/id/038FB248-FFE8-FFEF-89B9-C4DA25709BB9

treatment provided by

Plazi

scientific name

Ascarophis sebastodis Olsen, 1952
status

 

Ascarophis sebastodis Olsen, 1952  

Description (after Ko 1986). With characteristics of the genus.

Males: 5.1 (3.7–6.4) long, 0.026 (0.020–0.030) wide at nerve ring. Buccal cavity 0.080 (0.070–0.100),

muscular oesophagus 0.282 (0.220–0.377) and glandular oesophagus 2.5 (1.7–2.5) long. Nerve ring 0.117 (0.090–

0.144) from anterior end ( Fig. 56 View FIGURE 56 A). Four pairs pre-cloacal and six pairs post-cloacal papillae. Left spicule 0.135

and right spicule 0.047 (0.036–0.053) long. Tail 0.065 (0.053–0.074) long.

Females: 8.7 (7.1–9.4) long, 0.028 (0.022–0.030) at nerve ring. Buccal cavity 0.086 (0.080–0.090), muscular

oesophagus 0.374 (0.310–0.410) and glandular oesophagus 2.5 (1.8–2.9) long. Nerve ring 0.136 (0.115–0.144)

from anterior end. Vulva 2.2 from posterior end. Tail 0.055 (0.041–0.070) long, ending in small knob ( Fig. 56 View FIGURE 56 B).

Eggs 0.037 (0.036–0.038) x 0.023 (0.019–0.024) with polar plug bearing two filaments ( Fig. 56 View FIGURE 56 C). [For comments on A. sebastodis   see below]

Site: intestinal lumen

Hosts: Anoplarchus purpurescens   (1); Artedius harringtoni   (1); Aulorhynchus flavidus   (1); Hemilepidotus hemilepidotus   (1); Hexagrammos lagocephalus   (1); Microstomus pacificus   (3); Myoxocephalus polyacanthocephalus   (1); Nautichthys oculofasciatus   (1); Oncorhynchus kisutch   (1, 4); Oncorhynchus nerka   (1); Parophrys vetulus   (3); Rhamphocottus richardsonii   (1); Sebastes alutus   (2); Sebastes borealis   (2); Sebastes caurinus   (1, 2, 4); Sebastes diploproa   (2); Sebastes variegatus   (1, 2); Sebastes flavidus   (2); Sebastes maliger   (2); Sebastes nebulosus   (5); Sebastes proriger   (2); Sebastes ruberrimus   (2); Sebastes variegatus   (2); Sebastes zacentrus   (2)

Distribution: Pacific

Records: 1. Arai 1969; 2. Sekerak & Arai 1977; 3. Kabata & Whitaker 1984; 4. Ko 1986; 5. Holmes 1990