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Channichthys mithridatis, Green icefish : fisheries
分類 / 名稱 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei > Perciformes/Notothenioidei (Icefishes) 鱸形目 (Icefishes) > Channichthyidae (Crocodile icefishes) 冰魚科 (Crocodile icefishes)
Etymology: Channichthys:Greek, channe, -es = an anchovy + Greek, ichthys = fish (Ref. 45335); mithridatis:Name from the Latin spelling of Pontic (Bosporus) Tzar Μιθριδατης = Mithridates, who ruled Panticapaeum (antique name of the city of Kerch).
背棘 (總數) : 6 - 9; 背的軟條 (總數) : 32 - 34; 臀鰭軟條: 30 - 32; 脊椎骨: 55 - 58. This species is made distinct by the following characters: interorbital width narrow, 6.3-7.7 times in HL, 1.2-1.7 shorter than horizontal orbit diameter; large eyes, orbit 4.5-5.6 times in HL and 2.1-2.7 in snout length; posterior edge of maxilla extending below 1/2-2/3 of the orbit diameter; a row of rakers on lower part of 1st gill arch on the outer side of ceratobranchial; first dorsal fin very high, 2.9-4 times in SL, with 2nd or 3rd spine longest; fin membrane of D1 not reaching tips of longest spines; well separated dorsal fins, posterior edge of D1 fin membrane not reaching 1st ray base of D2; rounded bony plates usually absent from anterior part of median lateral line; tuberculation on frontals and on anterior dorsal spines very faint or absent, absent on maxilla, dentary and branchiostegals (Ref. 80896). Body shape (shape guide): elongated.
A piscivorous species; stomach contents contain fish (Ref. 80896). Females mature at about 30-32 cm TL or 26-28 cm SL. Caught by bottom trawls in an area of barren of benthic fauna (Ref. 80896).
Shandikov, G.A., 2008. Channichthys mithridatis, a new species of icefishes (Perciformes: Notothenioidei: Channichthyidae) from the Kerguelen Islands (East Antarctica), with comments on the taxonomic status of Channichthys normani. Visnyk Charkivs'koho Universytetu Imeni V. N. Karazina, Ser. Biologija, Charkiv 14(917):123-131. (Ref. 80896)
系統發育多樣性指數 (參考文獻 82804): PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00129 (0.00059 - 0.00280), b=3.46 (3.28 - 3.64), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (參考文獻 69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
回復力 (參考文獻 120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
釣魚的脆弱性 (Ref. 59153): Low to moderate vulnerability (34 of 100). 🛈
